NAICS Codes by Business Activity: R
912 business activities
| Business activity | NAICS code | Size standard |
|---|---|---|
| Rabbit food manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Rabbit production | 112930 Fur-Bearing Animal and Rabbit Production | $3.8 million in average annual receipts |
| Rabbits processing (i.e., canned, cooked, fresh, frozen) | 311615 Poultry Processing | 1,250 employees |
| Rabbits slaughtering and dressing | 311615 Poultry Processing | 1,250 employees |
| Race car drivers | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Race car owners (i.e., racing cars) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Race cars manufacturing | 336999 All Other Transportation Equipment Manufacturing | 1,000 employees |
| Race dog owners (i.e., racing dogs) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Racehorse owners (i.e., racing horses) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Racehorse trainers | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Racehorse training | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Races, ball or roller bearings, manufacturing | 332991 Ball and Roller Bearing Manufacturing | 1,250 employees |
| Racetrack program publishers (except Internet) | 511199 All Other Publishers | 500 employees |
| Racetrack program publishers and printing combined | 511199 All Other Publishers | 500 employees |
| Racetrack program publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Racetrack programs commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Racetrack programs flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Racetrack programs lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Racetrack programs printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Racetrack programs screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Racetracks (e.g., automobile, dog, horse) | 711212 Racetracks | $47 million in average annual receipts |
| Racetracks, slot car (i.e., amusement devices) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Raceways manufacturing | 335932 Noncurrent-Carrying Wiring Device Manufacturing | 1,000 employees |
| Raceways, gocart (i.e., amusement rides) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Racing form publishers (except exclusive Internet publishing) | 511199 All Other Publishers | 500 employees |
| Racing form publishers and printing combined | 511199 All Other Publishers | 500 employees |
| Racing form publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Racing forms commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Racing forms flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Racing forms lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Racing forms printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Racing forms screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Racing stables, horse | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Racing teams (e.g., automobile, motorcycle, snowmobile) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Rack and panel connectors manufacturing | 334417 Electronic Connector Manufacturing | 1,000 employees |
| Rack and pinion steering assemblies manufacturing | 336330 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing | 1,000 employees |
| Racks (e.g., bicycle, luggage, ski, tire), automotive, truck, and buses manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Racks (e.g., trash), fabricated metal plate, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Racks, household-type, made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Racquetball club facilities | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Radar and sonar equipement repair and maintenance services | 811219 Other Electronic and Precision Equipment Repair and Maintenance | $22 million in average annual receipts |
| Radar detectors manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Radar equipment merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Radar station operations | 517919 All Other Telecommunications | $35 million in average annual receipts |
| Radar systems and equipment manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Radar testing instruments, electric, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| RADIAC (radioactivity detection, identification, and computation) equipment manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Radiant floor heating equipment installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Radiation detection and monitoring instruments manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Radiation dosimetry (i.e., radiation testing) laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Radiation protection garment supply services | 812332 Industrial Launderers | $47 million in average annual receipts |
| Radiation shielding aprons, gloves, and sheeting manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Radiation testing laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Radiator additive preparations manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Radiator and heater hoses, rubber or plastics, manufacturing | 326220 Rubber and Plastics Hoses and Belting Manufacturing | 800 employees |
| Radiator repair shops, automotive | 811118 Other Automotive Mechanical and Electrical Repair and Maintenance | $8 million in average annual receipts |
| Radiator shields and enclosures, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Radiators (except motor vehicle, portable electric) manufacturing | 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing | 500 employees |
| Radiators and cores manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Radiators, motor vehicle, merchant wholesalers | 423120 Motor Vehicle Supplies and New Parts Merchant Wholesalers | 200 employees |
| Radiators, portable electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Radio advertising representatives (i.e., independent of media owners) | 541840 Media Representatives | $21 million in average annual receipts |
| Radio and television broadcast studio construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Radio and television stores | 443142 Electronics Stores | $35 million in average annual receipts |
| Radio and television tower sections, fabricated structural metal, manufacturing | 332312 Fabricated Structural Metal Manufacturing | 500 employees |
| Radio beacon (i.e., ship navigation) services | 488330 Navigational Services to Shipping | $47 million in average annual receipts |
| Radio broadcasting (except exclusively on Internet) stations (e.g., AM, FM, shortwave) | 515112 Radio Stations | $41.5 million in average annual receipts |
| Radio broadcasting network services | 515111 Radio Networks | $41.5 million in average annual receipts |
| Radio broadcasting networks | 515111 Radio Networks | $41.5 million in average annual receipts |
| Radio broadcasting syndicates | 515111 Radio Networks | $41.5 million in average annual receipts |
| Radio commentators, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Radio consulting services | 541690 Other Scientific and Technical Consulting Services | $19 million in average annual receipts |
| Radio frequency identification (RFID) devices manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Radio frequency identification (RFID) equipment merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Radio guide publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Radio guide publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Radio guide publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Radio guides commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Radio guides flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Radio guides lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Radio guides printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Radio guides screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Radio headphones manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Radio housings, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Radio magnetic instrumentation (RMI) manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Radio paging services communications carriers | 517312 Wireless Telecommunications Carriers (except Satellite) | 1,500 employees |
| Radio parts and accessories (e.g., transitors, tubes) merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Radio program tape production (except independent producers) | 512290 Other Sound Recording Industries | $22.5 million in average annual receipts |
| Radio receiving sets manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Radio repair and maintenance services without retailing new radios | 811211 Consumer Electronics Repair and Maintenance | $22.5 million in average annual receipts |
| Radio repair, automotive, without retailing new | 811211 Consumer Electronics Repair and Maintenance | $22.5 million in average annual receipts |
| Radio schedule publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Radio schedule publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Radio schedule publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Radio schedules commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Radio schedules flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Radio schedules lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Radio schedules printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Radio schedules screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Radio station construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Radio stations (except exclusively on Internet) | 515112 Radio Stations | $41.5 million in average annual receipts |
| Radio transcription services | 561410 Document Preparation Services | $19 million in average annual receipts |
| Radio transmitting antennas and ground equipment manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Radio transmitting tower construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Radioactive elements manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Radioactive geophysical surveying services | 541360 Geophysical Surveying and Mapping Services | $28.5 million in average annual receipts |
| Radioactive in-vivo diagnostic substances manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Radioactive isotopes manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Radioactive pharmaceutical isotopes merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Radioactive waste collecting and/or local hauling | 562112 Hazardous Waste Collection | $47 million in average annual receipts |
| Radioactive waste collecting and/or local hauling in combination with disposal and/or treatment facilities | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Radioactive waste disposal facilities | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Radioactive waste hauling, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Radioactive waste treatment facilities | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Radiofrequency measuring equipment manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Radiofrequency oscillators manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Radiographic testing laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Radiographing welded joints on pipes and fittings | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Radiography inspection services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Radiological laboratories, medical | 621512 Diagnostic Imaging Centers | $19 million in average annual receipts |
| Radiological laboratory services, medical | 621512 Diagnostic Imaging Centers | $19 million in average annual receipts |
| Radiologists' offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Radios (except household-type) merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Radios, household-type, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Radish farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Radium chloride manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Radium equipment manufacturing | 334517 Irradiation Apparatus Manufacturing | 1,200 employees |
| Radium luminous compounds manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Radium ores mining and/or beneficiating | 212291 Uranium-Radium-Vanadium Ore Mining | 250 employees |
| Radon gas alleviation contractors | 238990 All Other Specialty Trade Contractors | $19 million in average annual receipts |
| Radon testing laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Rafts, swimming pool-type, rubber inflatable, manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Rags merchant wholesalers | 423930 Recyclable Material Merchant Wholesalers | 125 employees |
| Rail bonds, propulsion and signal circuit electric, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Rail joints and fastenings made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Rail laying and tamping equipment manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Rail transportation (except mixed mode), commuter | 485112 Commuter Rail Systems | $47 million in average annual receipts |
| Railings, metal, manufacturing | 332323 Ornamental and Architectural Metal Work Manufacturing | 500 employees |
| Railings, wood stair, manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Railroad and warehouse commissions, nonoperating | 926120 Regulation and Administration of Transportation Programs | — |
| Railroad car journal bearings, plain, manufacturing | 333613 Mechanical Power Transmission Equipment Manufacturing | 750 employees |
| Railroad car rental and leasing | 532411 Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing | $45.5 million in average annual receipts |
| Railroad cars and car equipment manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Railroad cars merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Railroad cars, self-propelled, manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Railroad construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Railroad crossings, iron or steel, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Railroad equipment and supplies merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Railroad locomotives and parts (except diesel engines) manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Railroad models, hobby and toy, manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Railroad Retirement Board | 923130 Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Programs) | — |
| Railroad right of way leasing | 531190 Lessors of Other Real Estate Property | $34 million in average annual receipts |
| Railroad rolling stock manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Railroad seating manufacturing | 336360 Motor Vehicle Seating and Interior Trim Manufacturing | 1,500 employees |
| Railroad signaling equipment manufacturing | 334290 Other Communications Equipment Manufacturing | 800 employees |
| Railroad signalling equipment installation | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Railroad switching services | 488210 Support Activities for Rail Transportation | $34 million in average annual receipts |
| Railroad terminals, independent operation | 488210 Support Activities for Rail Transportation | $34 million in average annual receipts |
| Railroad ticket offices | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Railroad ties (i.e., bridge, cross, switch) treating | 321114 Wood Preservation | 550 employees |
| Railroad ties, wood, merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Railroad track scales manufacturing | 333997 Scale and Balance Manufacturing | 500 employees |
| Railroad transportation, line-haul | 482111 Line-Haul Railroads | 1,500 employees |
| Railroad transportation, scenic and sightseeing | 487110 Scenic and Sightseeing Transportation, Land | $20.5 million in average annual receipts |
| Railroad transportation, short-line or beltline | 482112 Short Line Railroads | 1,500 employees |
| Railroad, scenic and sightseeing, operation | 487110 Scenic and Sightseeing Transportation, Land | $20.5 million in average annual receipts |
| Railroads, line-haul | 482111 Line-Haul Railroads | 1,500 employees |
| Railroads, short-line or beltline | 482112 Short Line Railroads | 1,500 employees |
| Rails (except rough), wood fence, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Rails and accessories, metal, merchant wholesalers | 423510 Metal Service Centers and Other Metal Merchant Wholesalers | 200 employees |
| Rails made by rolling or drawing purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rails rerolled or renewed in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Rails, aluminum, made in integrated secondary smelting and drawing plants | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rails, aluminum, made in integrated secondary smelting and rolling mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rails, iron or steel, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Rails, rough wood, manufacturing | 113310 Logging | 500 employees |
| Railway bridge sections, prefabricated metal, manufacturing | 332312 Fabricated Structural Metal Manufacturing | 500 employees |
| Railway construction (e.g., interlocker, roadbed, signal, track) | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Railway motors and control equipment, electric, manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Railway roadbed construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Railway station construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Railway systems (except mixed mode), commuter | 485112 Commuter Rail Systems | $47 million in average annual receipts |
| Railway terminals, independent operation | 488210 Support Activities for Rail Transportation | $34 million in average annual receipts |
| Railway transportation, line-haul | 482111 Line-Haul Railroads | 1,500 employees |
| Railway transportation, scenic and sightseeing | 487110 Scenic and Sightseeing Transportation, Land | $20.5 million in average annual receipts |
| Railway transportation, short-line or beltline | 482112 Short Line Railroads | 1,500 employees |
| Rain gauges manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Raincoats (e.g., water resistant, waterproof, water-repellent) cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Raincoats water resistant, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Raincoats waterproofing (i.e., oiling) | 313320 Fabric Coating Mills | 1,000 employees |
| Raincoats, rubber or rubberized fabric, manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, water resistant, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Raincoats, water resistant, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, water resistant, nontailored, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315228 Men's and Boys' Cut and Sew Other Outerwear Manufacturing | — |
| Raincoats, water resistant, nontailored, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Raincoats, water resistant, tailored, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315222 Men's and Boys' Cut and Sew Suit, Coat, and Overcoat Manufacturing | — |
| Raincoats, water resistant, tailored, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315234 Women's and Girls' Cut and Sew Suit, Coat, Tailored Jacket, and Skirt Manufacturing | — |
| Raincoats, water resistant, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Raincoats, water resistant, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, water-repellent, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Raincoats, water-repellent, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Raincoats, water-repellent, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, water-repellent, nontailored, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315228 Men's and Boys' Cut and Sew Other Outerwear Manufacturing | — |
| Raincoats, water-repellent, nontailored, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Raincoats, water-repellent, tailored, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315222 Men's and Boys' Cut and Sew Suit, Coat, and Overcoat Manufacturing | — |
| Raincoats, water-repellent, tailored, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315234 Women's and Girls' Cut and Sew Suit, Coat, Tailored Jacket, and Skirt Manufacturing | — |
| Raincoats, water-repellent, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Raincoats, water-repellent, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, waterproof (except infants'), cut and sewn from purchased fabric (except apparel contractors) | 315299 All Other Cut and Sew Apparel Manufacturing | — |
| Raincoats, waterproof, cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Raincoats, waterproof, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Raincoats, waterproof, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Raincoats, waterproof, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Raisin farming | 111332 Grape Vineyards | $4 million in average annual receipts |
| Raising swans, peacocks, flamingos, or other adornment birds | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Raisins made in dehydration plants | 311423 Dried and Dehydrated Food Manufacturing | 750 employees |
| Rakes, hay, manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Rakes, nonpowered handtool, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Ramie spun yarns made from purchased fiber | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Rands (i.e., shoe cut stock), leather, manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Range finders, photographic, manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Range hoods with integral lighting fixtures, household-type, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Range hoods, household-type, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Ranges, commercial-type, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Ranges, gas and electric, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Ranges, household-type cooking, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Rape crisis centers | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Rapeseed (i.e., canola) oil made from purchased oils | 311225 Fats and Oils Refining and Blending | 1,100 employees |
| Rapeseed (i.e., canola) oil made in crushing mills | 311224 Soybean and Other Oilseed Processing | 1,250 employees |
| Rapeseed farming, field and seed production | 111120 Oilseed (except Soybean) Farming | $2.3 million in average annual receipts |
| Rapid transit cars and equipment manufacturing | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Rare earth compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Rare earth metal concentrates beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Rare earth metal ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Rare earth salts manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Rare manuscript stores | 453310 Used Merchandise Stores | $12.5 million in average annual receipts |
| Raspberry farming | 111334 Berry (except Strawberry) Farming | $3.8 million in average annual receipts |
| Rasps, handheld, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Ratchets, nonpowered, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Rate making services, insurance | 524298 All Other Insurance Related Activities | $30.5 million in average annual receipts |
| Rate-of-climb instrumentation manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Rathole and mousehole drilling at oil and gas fields on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Ratite production | 112390 Other Poultry Production | $3.8 million in average annual receipts |
| Rattan furniture, household-type, manufacturing | 337125 Household Furniture (except Wood and Metal) Manufacturing | 750 employees |
| Rattan ware (except furniture) manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Rattlesnake production | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Raw beet sugar manufacturing | 311313 Beet Sugar Manufacturing | 1,150 employees |
| Raw farm products (except field beans, grains) merchant wholesalers | 424590 Other Farm Product Raw Material Merchant Wholesalers | 175 employees |
| Rawhide manufacturing | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Ray fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Rayon fibers and filaments manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Rayon spun yarns made from purchased fiber | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Rayon thread manufacturing | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Rayon yarn throwing, twisting, texturizing, or winding purchased filament | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Razor blade strip steel made in cold rolling mills | 331221 Rolled Steel Shape Manufacturing | 1,000 employees |
| Razor blades manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Razor blades merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Razor strops manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Razors (except electric) manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Razors (except electric) merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Razors, electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Razors, electric, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Re-refining used petroleum lubricating oils | 324191 Petroleum Lubricating Oil and Grease Manufacturing | 900 employees |
| Reactor containment vessels, fabricated metal plate, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Reactors, nuclear, manufacturing | 332410 Power Boiler and Heat Exchanger Manufacturing | 750 employees |
| Readers, microfilm or microfiche, manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Ready-mix concrete manufacturing and distributing | 327320 Ready-Mix Concrete Manufacturing | 500 employees |
| Ready-mix concrete trucks assembling on purchased chassis | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Real estate (except building) rental or leasing | 531190 Lessors of Other Real Estate Property | $34 million in average annual receipts |
| Real estate (except cemeteries) subdividers | 237210 Land Subdivision | $34 million in average annual receipts |
| Real estate agencies | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Real estate agents' offices | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Real estate appraisal services | 531320 Offices of Real Estate Appraisers | $9.5 million in average annual receipts |
| Real estate appraisers' offices | 531320 Offices of Real Estate Appraisers | $9.5 million in average annual receipts |
| Real estate asset management services (except property management) | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate boards | 813910 Business Associations | $15.5 million in average annual receipts |
| Real estate brokerages | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Real estate brokers' offices | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Real estate consultants' (except agents, appraisers) offices | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate credit lending | 522292 Real Estate Credit | $47 million in average annual receipts |
| Real estate escrow agencies | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate escrow agents' offices | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate fiduciaries' offices | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate law offices | 541110 Offices of Lawyers | $15.5 million in average annual receipts |
| Real estate listing services | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Real estate mortgage investment conduits (REMICs) | 525990 Other Financial Vehicles | $40 million in average annual receipts |
| Real estate mortgage investment conduits (REMICs) issuing, private | 522294 Secondary Market Financing | $41.5 million in average annual receipts |
| Real estate property managers' offices, commercial | 531312 Nonresidential Property Managers | $19.5 million in average annual receipts |
| Real estate property managers' offices, residential | 531311 Residential Property Managers | $12.5 million in average annual receipts |
| Real estate rental or leasing of miniwarehouses and self-storage units | 531130 Lessors of Miniwarehouses and Self-Storage Units | $34 million in average annual receipts |
| Real estate rental or leasing of nonresidential building (except miniwarehouse) | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Real estate rental or leasing of residential building | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Real estate schools | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Real estate title insurance carriers, direct | 524127 Direct Title Insurance Carriers | $47 million in average annual receipts |
| Real property (except cemeteries) subdivision | 237210 Land Subdivision | $34 million in average annual receipts |
| Real-time (i.e., simultaneous) closed captioning of live television performances, meetings, conferences, and so forth | 561492 Court Reporting and Stenotype Services | $19 million in average annual receipts |
| Reamers (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Reaming machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Rebar contractors | 238120 Structural Steel and Precast Concrete Contractors | $19 million in average annual receipts |
| Rebinding books, magazines, or pamphlets | 323120 Support Activities for Printing | 550 employees |
| Rebroadcast radio stations (except exclusively on Internet) | 515112 Radio Stations | $41.5 million in average annual receipts |
| Rebuilding automotive and truck gasoline engines | 336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing | 1,050 employees |
| Rebuilding tires | 326212 Tire Retreading | 500 employees |
| Recapping tires | 326212 Tire Retreading | 500 employees |
| Receipt books merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Receiver-transmitter units (i.e., transceivers) manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Receptacles (i.e., outlets), electrical, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Receptacles, electrical, merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Reception hall rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Recessed lighting housings and trim (except residential), electric, manufacturing | 335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing | 500 employees |
| Recessed lighting housings and trim, residential electric, manufacturing | 335121 Residential Electric Lighting Fixture Manufacturing | 750 employees |
| Rechargeable battery packs made from purchased battery cells and housings | 335911 Storage Battery Manufacturing | 1,250 employees |
| Rechargeable nickel cadmium (NICAD) batteries manufacturing | 335911 Storage Battery Manufacturing | 1,250 employees |
| Reclaimed wool processing | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Reclaiming rubber from waste or scrap | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Recliners, upholstered, manufacturing | 337121 Upholstered Household Furniture Manufacturing | 1,000 employees |
| Recoil mechanisms (i.e., more than 30 mm., more than 1.18 inch), gun, manufacturing | 332995 Other Ordnance and Accessories Manufacturing | — |
| Recoil mechanisms, gun, manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Recoilless rifles manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Recombinant DNA research and experimental development laboratories | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | 1,000 employees |
| Reconditioned barrels and drums merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Reconditioning oil and gas field wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Reconditioning shipping barrels and drums | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $12.5 million in average annual receipts |
| Reconstituted wood panels manufacturing | 321219 Reconstituted Wood Product Manufacturing | 750 employees |
| Reconstituted wood sheets and boards manufacturing | 321219 Reconstituted Wood Product Manufacturing | 750 employees |
| Reconstituting tobacco | 312230 Tobacco Manufacturing | 1,500 employees |
| Record producers (except independent) | 512250 Record Production and Distribution | 900 employees |
| Record producers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Record production (except independent record producers) without duplication or distribution | 512250 Record Production and Distribution | 900 employees |
| Record releasing, promoting, and distributing combined with mass duplication | 512250 Record Production and Distribution | 900 employees |
| Record stores, new | 443142 Electronics Stores | $35 million in average annual receipts |
| Record stores, used | 453310 Used Merchandise Stores | $12.5 million in average annual receipts |
| Recorders (e.g., tape, video), household-type, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Recorders, industrial process control-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Recorders, oscillographic, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Recording books on tape or disc (except publishers) | 512290 Other Sound Recording Industries | $22.5 million in average annual receipts |
| Recording seminars and conferences, audio | 512290 Other Sound Recording Industries | $22.5 million in average annual receipts |
| Recording studios, sound, operating on a contract or fee basis | 512240 Sound Recording Studios | $11 million in average annual receipts |
| Recording technicians, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Records management consulting services | 541611 Administrative Management and General Management Consulting Services | $24.5 million in average annual receipts |
| Recovered fibers processing | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Recovering and refining of nonferrous metals (except aluminum, copper) from scrap | 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) | 850 employees |
| Recovering silver from used photographic film or X-ray plates | 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) | 850 employees |
| Recreation area, open space, construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Recreational (e.g., art, dance, music) therapists' offices (e.g., centers, clinics) | 621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists | $12.5 million in average annual receipts |
| Recreational camps with accommodation facilities (except campgrounds) | 721214 Recreational and Vacation Camps (except Campgrounds) | $9 million in average annual receipts |
| Recreational camps without accommodations | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Recreational day camps (except instructional) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Recreational equipment and supplies (except vehicles) merchant wholesalers | 423910 Sporting and Recreational Goods and Supplies Merchant Wholesalers | 100 employees |
| Recreational facility building construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Recreational goods rental | 532284 Recreational Goods Rental | $9 million in average annual receipts |
| Recreational programs administration, government | 924120 Administration of Conservation Programs | — |
| Recreational sports club facilities | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Recreational sports clubs (i.e., sports teams) not operating sports facilities | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Recreational sports teams and leagues | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Recreational trailer rental | 532120 Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | $47 million in average annual receipts |
| Recreational vehicle (RV) dealers | 441210 Recreational Vehicle Dealers | $40 million in average annual receipts |
| Recreational vehicle (RV) parts and accessories stores | 441210 Recreational Vehicle Dealers | $40 million in average annual receipts |
| Recreational vehicle (RV) rental or leasing | 532120 Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | $47 million in average annual receipts |
| Recreational vehicle merchant wholesalers | 423110 Automobile and Other Motor Vehicle Merchant Wholesalers | 250 employees |
| Recreational vehicle park construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Recreational vehicle parks | 721211 RV (Recreational Vehicle) Parks and Campgrounds | $10 million in average annual receipts |
| Rectifiers (except electronic component type, semiconductor) manufacturing | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | 600 employees |
| Rectifiers, electronic component-type (except semiconductor), manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Rectifiers, electronic, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Rectifiers, semiconductor, manufacturing | 334413 Semiconductor and Related Device Manufacturing | 1,250 employees |
| Rectifying equipment, chemical, manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Recyclable material collection services | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Recyclable material hauling, local | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Recyclable material hauling, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Recyclable materials (e.g., glass, metal, paper) merchant wholesalers | 423930 Recyclable Material Merchant Wholesalers | 125 employees |
| Recycling drycleaning fluids | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Recycling inkjet cartridges | 811212 Computer and Office Machine Repair and Maintenance | $30 million in average annual receipts |
| Recycling services for degreasing solvents (e.g., engine, machinery) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Red oil (i.e., oleic acid) manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Redevelopment land agencies, government | 925120 Administration of Urban Planning and Community and Rural Development | — |
| Redox (i.e., oxidation-reduction potential) instruments manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Reducers, speed, manufacturing | 333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing | 750 employees |
| Reduction gears and gear units (except aircraft power transmission equipment, automotive) manufacturing | 333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing | 750 employees |
| Reed furniture (except upholstered), household-type, manufacturing | 337125 Household Furniture (except Wood and Metal) Manufacturing | 750 employees |
| Reed peat mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Reed ware (except furniture) manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Reeds, musical instrument, manufacturing | 339992 Musical Instrument Manufacturing | 1,000 employees |
| Reels, fishing, manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Reels, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Reels, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Reels, plywood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Reels, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Referees and umpires | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Reference libraries | 519120 Libraries and Archives | $18.5 million in average annual receipts |
| Referral agencies or services, employment | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Referral services for personal and social problems | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Refined petroleum products pipeline transportation | 486910 Pipeline Transportation of Refined Petroleum Products | 1,500 employees |
| Refineries, petroleum | 324110 Petroleum Refineries | 1,500 employees |
| Refinery gases made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Refinery machinery and equipment merchant wholesalers | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Refinery, petroleum, construction | 237120 Oil and Gas Pipeline and Related Structures Construction | $45 million in average annual receipts |
| Refining aluminum, primary | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Refining aluminum, secondary | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Refining copper, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Refining copper, secondary | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Refining nonferrous metals and alloys (except aluminum), primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Refining nonferrous metals and alloys (except aluminum, copper), primary | 331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum) | — |
| Refining nonferrous metals and alloys (except aluminum, copper), secondary | 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) | 850 employees |
| Reflectors for lighting equipment, metal, manufacturing | 335129 Other Lighting Equipment Manufacturing | 500 employees |
| Reflectors, optical, manufacturing | 333314 Optical Instrument and Lens Manufacturing | 500 employees |
| Reflectors, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Reforestation | 115310 Support Activities for Forestry | $11.5 million in average annual receipts |
| Reformatories | 922140 Correctional Institutions | — |
| Reformulating plastics resins from recycled plastics products | 325991 Custom Compounding of Purchased Resins | 600 employees |
| Refractometers, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Refractometers, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Refractories (e.g., block, brick, mortar, tile), clay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Refractories (e.g., block, brick, mortar, tile), nonclay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Refractory brick contractors | 238140 Masonry Contractors | $19 million in average annual receipts |
| Refractory cement, nonclay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Refractory materials (e.g., block, brick, mortar, tile) merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Refractory minerals mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Refreshment stands, mobile | 722330 Mobile Food Services | $9 million in average annual receipts |
| Refrigerated display cases merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Refrigerated doughs made from purchased flour | 311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour | 850 employees |
| Refrigerated lockers manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Refrigerated products trucking, local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Refrigerated products trucking, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Refrigerated warehousing | 493120 Refrigerated Warehousing and Storage | $36.5 million in average annual receipts |
| Refrigeration compressors manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Refrigeration controls, residential and commercial-type, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Refrigeration equipment and supplies, commercial-type, merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Refrigeration equipment repair and maintenance services, industrial and commercial-type | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $12.5 million in average annual receipts |
| Refrigeration equipment, industrial and commercial-type, manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Refrigeration system (e.g., commercial, industrial, scientific) installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Refrigeration thermostats manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Refrigeration units, motor vehicle, merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Refrigeration units, truck-type, manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Refrigeration/air-conditioning defrost controls manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Refrigerator rental | 532210 Consumer Electronics and Appliances Rental | $47 million in average annual receipts |
| Refrigerator, household-type, repair and maintenance services without retailing new refrigerators | 811412 Appliance Repair and Maintenance | $19 million in average annual receipts |
| Refrigerator/freezer combinations, household-type, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Refrigerators (e.g., absorption, mechanical), household-type, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Refrigerators (e.g., reach-in, walk-in), commercial-type, merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Refrigerators, household-type, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Refugee settlement services | 624230 Emergency and Other Relief Services | $41.5 million in average annual receipts |
| Refuse collecting and operating solid waste landfills | 562212 Solid Waste Landfill | $47 million in average annual receipts |
| Refuse collection services | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Refuse disposal combustors or incinerators | 562213 Solid Waste Combustors and Incinerators | $47 million in average annual receipts |
| Refuse disposal landfills | 562212 Solid Waste Landfill | $47 million in average annual receipts |
| Refuse disposal plant construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Refuse hauling, local | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Refuse hauling, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Regenerated cellulosic fibers manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Regional planning and development program administration | 925120 Administration of Urban Planning and Community and Rural Development | — |
| Registered nurses' (RNs) offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Registers, linear tallying, manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Registers, metal air, manufacturing | 332323 Ornamental and Architectural Metal Work Manufacturing | 500 employees |
| Registries, employment | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Registries, teacher | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Regulating transformers, power system-type, manufacturing | 335311 Power, Distribution, and Specialty Transformer Manufacturing | 800 employees |
| Regulation and inspection of agricultural products | 926140 Regulation of Agricultural Marketing and Commodities | — |
| Regulation of utilities | 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities | — |
| Regulators (i.e., electric transformers), feeder voltage, manufacturing | 335311 Power, Distribution, and Specialty Transformer Manufacturing | 800 employees |
| Regulators, motor vehicle voltage for internal combustion engines manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Regulators, power, manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Regulators, voltage (except motor vehicle), merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Rehabilitation agencies for offenders | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Rehabilitation hospitals (except alcoholism, drug addiction) | 622310 Specialty (except Psychiatric and Substance Abuse) Hospitals | $47 million in average annual receipts |
| Rehabilitation hospitals, alcoholism and drug addiction | 622210 Psychiatric and Substance Abuse Hospitals | $47 million in average annual receipts |
| Rehabilitation job counseling and training, vocational | 624310 Vocational Rehabilitation Services | $15 million in average annual receipts |
| Rehabilitation services, correctional, government | 922150 Parole Offices and Probation Offices | — |
| Reinforcing mesh, concrete, made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Reinforcing rod, bar, mesh and cage installation | 238120 Structural Steel and Precast Concrete Contractors | $19 million in average annual receipts |
| Reinforcing steel contractors | 238120 Structural Steel and Precast Concrete Contractors | $19 million in average annual receipts |
| Reinsurance carriers | 524130 Reinsurance Carriers | $47 million in average annual receipts |
| Relays (except electrical, electronic), instrument, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Relays merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Relays, electrical and electronic, manufacturing | 335314 Relay and Industrial Control Manufacturing | 750 employees |
| Relief services, disaster | 624230 Emergency and Other Relief Services | $41.5 million in average annual receipts |
| Relief services, emergency | 624230 Emergency and Other Relief Services | $41.5 million in average annual receipts |
| Religious book binding without printing | 323120 Support Activities for Printing | 550 employees |
| Religious book publishers (except exclusive Internet publishing) | 511130 Book Publishers | 1,000 employees |
| Religious book publishers and printing combined | 511130 Book Publishers | 1,000 employees |
| Religious book publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Religious book stores | 451211 Book Stores | $31.5 million in average annual receipts |
| Religious books printing and binding without publishing | 323117 Books Printing | 1,250 employees |
| Religious books printing without publishing | 323117 Books Printing | 1,250 employees |
| Religious building (e.g., church, synagogue, mosque, temple) construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Religious furniture manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Religious furniture merchant wholesalers | 423210 Furniture Merchant Wholesalers | 100 employees |
| Religious goods (except books) stores | 453998 All Other Miscellaneous Store Retailers (except Tobacco Stores) | $10 million in average annual receipts |
| Religious magazine and periodical publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Religious magazine and periodical publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Religious magazine and periodical publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Religious magazines and periodicals commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Religious magazines and periodicals flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Religious magazines and periodicals lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Religious magazines and periodicals printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Religious magazines and periodicals screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Religious organizations | 813110 Religious Organizations | $13 million in average annual receipts |
| Religious supplies merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Relishes canning | 311421 Fruit and Vegetable Canning | 1,000 employees |
| Remediation and clean up of contaminated buildings, mine sites, soil, or ground water | 562910 Remediation Services | $25 million in average annual receipts |
| Remediation services, environmental | 562910 Remediation Services | $25 million in average annual receipts |
| REMICs (real estate mortgage investment conduits) | 525990 Other Financial Vehicles | $40 million in average annual receipts |
| REMICs (real estate mortgage investment conduits) issuing, private | 522294 Secondary Market Financing | $41.5 million in average annual receipts |
| Remnants, piece goods, merchant wholesalers | 424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | 100 employees |
| Remodeling and renovating for-sale builders | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remodeling and renovating general contractors, multifamily building | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remodeling and renovating general contractors, residential | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remodeling and renovating general contractors, single-family housing | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remodeling and renovating single-family housing | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remodeling and renovating, residential building | 236118 Residential Remodelers | $45 million in average annual receipts |
| Remote control units (e.g., garage door, television) manufacturing | 334290 Other Communications Equipment Manufacturing | 800 employees |
| Remote sensing geophysical surveying services | 541360 Geophysical Surveying and Mapping Services | $28.5 million in average annual receipts |
| Removal of condensate gasoline from field gathering lines on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Removal of overburden for coal mining on a contract basis | 213113 Support Activities for Coal Mining | $27.5 million in average annual receipts |
| Removal of overburden for metal mining on a contract basis | 213114 Support Activities for Metal Mining | $41 million in average annual receipts |
| Removal of overburden for nonmetallic minerals mining (except fuels) on a contract basis | 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining | $20.5 million in average annual receipts |
| Removal of recyclable materials from a waste stream | 562920 Materials Recovery Facilities | $25 million in average annual receipts |
| Renal dialysis centers and clinics | 621492 Kidney Dialysis Centers | $47 million in average annual receipts |
| Rendering animals (carrion) for feed | 311613 Rendering and Meat Byproduct Processing | 750 employees |
| Rendering fats | 311613 Rendering and Meat Byproduct Processing | 750 employees |
| Rendering plants | 311613 Rendering and Meat Byproduct Processing | 750 employees |
| Rennets merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Rent control agencies | 926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors | — |
| Rent-all centers | 532310 General Rental Centers | $9 million in average annual receipts |
| Renting coin-operated amusement devices (except concession operators) | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Renting real estate for others (i.e., agents, brokers) | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Reorganizational consulting services | 541611 Administrative Management and General Management Consulting Services | $24.5 million in average annual receipts |
| Repackaging loans for sale to others (i.e., private conduits) | 522294 Secondary Market Financing | $41.5 million in average annual receipts |
| Repair, highway, road, street, bridge or airport runway | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Repairing books | 323120 Support Activities for Printing | 550 employees |
| Repeater and transceiver equipment, carrier line, manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Repertory companies, theatrical | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Report covers made from purchased paper or paperboard | 322230 Stationery Product Manufacturing | 750 employees |
| Reporters, independent (freelance) | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Repossession services | 561491 Repossession Services | $19 million in average annual receipts |
| Reproduction of motion picture films for theatrical distribution | 512199 Other Motion Picture and Video Industries | $28.5 million in average annual receipts |
| Reproductive flushing services for animals | 115210 Support Activities for Animal Production | $11 million in average annual receipts |
| Reproductive health services centers | 621410 Family Planning Centers | $19 million in average annual receipts |
| Reprographic services | 561439 Other Business Service Centers (including Copy Shops) | $26.5 million in average annual receipts |
| Reptile exhibits, live | 712130 Zoos and Botanical Gardens | $34 million in average annual receipts |
| Resawing purchased lumber | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Rescue services, air | 621910 Ambulance Services | $22.5 million in average annual receipts |
| Rescue services, medical | 621910 Ambulance Services | $22.5 million in average annual receipts |
| Resellers, satellite telecommunication | 517410 Satellite Telecommunications | $44 million in average annual receipts |
| Resellers, telecommunication (except satellite) | 517911 Telecommunications Resellers | 1,500 employees |
| Reserpines (i.e., basic chemicals) manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Reservation (e.g., airline, car rental, hotel, restaurant) services | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Reserve and liquidity services (except central bank) | 522320 Financial Transactions Processing, Reserve, and Clearinghouse Activities | $47 million in average annual receipts |
| Reservoir construction | 237110 Water and Sewer Line and Related Structures Construction | $45 million in average annual receipts |
| Residence clubs, organizational | 721310 Rooming and Boarding Houses, Dormitories, and Workers' Camps | $14 million in average annual receipts |
| Residential building rental or leasing | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Residential cleaning services | 561720 Janitorial Services | $22 million in average annual receipts |
| Residential clubs | 721310 Rooming and Boarding Houses, Dormitories, and Workers' Camps | $14 million in average annual receipts |
| Residential construction, multifamily, general contractors | 236116 New Multifamily Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Residential construction, single-family, general contractors | 236115 New Single-Family Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Residential for-sale builders | 236117 New Housing For-Sale Builders | $45 million in average annual receipts |
| Residential group homes for the emotionally disturbed | 623220 Residential Mental Health and Substance Abuse Facilities | $19 million in average annual receipts |
| Residential hotel rental or leasing | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Residential property managing | 531311 Residential Property Managers | $12.5 million in average annual receipts |
| Residential real estate agencies | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Residential real estate agents' offices | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Residential real estate brokerages | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Residential real estate brokers' offices | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Residential real estate property managers' offices | 531311 Residential Property Managers | $12.5 million in average annual receipts |
| Residential trailer parks | 531190 Lessors of Other Real Estate Property | $34 million in average annual receipts |
| Residue gas production | 211130 Natural Gas Extraction | 1,250 employees |
| Resilient floor coverings (e.g., sheet, tile) manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Resilient floor tile or sheet (e.g., linoleum, rubber, vinyl), installation only | 238330 Flooring Contractors | $19 million in average annual receipts |
| Resins, plastics (except custom compounding purchased resins), manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Resins, plastics, merchant wholesalers | 424610 Plastics Materials and Basic Forms and Shapes Merchant Wholesalers | 150 employees |
| Resins, synthetic rubber, merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Resistance measuring equipment manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Resistance thermometers and bulbs, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Resistance welding equipment manufacturing | 333992 Welding and Soldering Equipment Manufacturing | 1,250 employees |
| Resistors, electronic, manufacturing | 334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing | 550 employees |
| Resistors, electronic, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Resolvers manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Resonance instruments (i.e., laboratory-type) manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Resonant reed devices, electronic, manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Resorcinol manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Resort hotels with casinos | 721120 Casino Hotels | $40 million in average annual receipts |
| Resort hotels without casinos | 721110 Hotels (except Casino Hotels) and Motels | $40 million in average annual receipts |
| Respiratory analysis equipment, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Respiratory protection mask manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Respiratory therapists' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Rest homes with nursing care | 623110 Nursing Care Facilities (Skilled Nursing Facilities) | $34 million in average annual receipts |
| Rest homes without nursing care | 623312 Assisted Living Facilities for the Elderly | $23.5 million in average annual receipts |
| Rest room cleaning services | 561720 Janitorial Services | $22 million in average annual receipts |
| Rest room operation | 812990 All Other Personal Services | $15 million in average annual receipts |
| Restaurant associations | 813910 Business Associations | $15.5 million in average annual receipts |
| Restaurant construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Restaurant equipment (except furniture) merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Restaurant furniture (e.g., carts, chairs, foodwagons, tables) manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Restaurant furniture merchant wholesalers | 423210 Furniture Merchant Wholesalers | 100 employees |
| Restaurant kitchen cleaning services | 561720 Janitorial Services | $22 million in average annual receipts |
| Restaurant management schools (except academic) | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Restaurant meals delivery services (i.e., independent delivery services) | 492210 Local Messengers and Local Delivery | $34 million in average annual receipts |
| Restaurants, carryout | 722513 Limited-Service Restaurants | $13.5 million in average annual receipts |
| Restaurants, fast food | 722513 Limited-Service Restaurants | $13.5 million in average annual receipts |
| Restaurants, full service | 722511 Full-Service Restaurants | $11.5 million in average annual receipts |
| Restoration and repair of antique furniture | 811420 Reupholstery and Furniture Repair | $9 million in average annual receipts |
| Restoration shops, antique and classic automotive | 811121 Automotive Body, Paint, and Interior Repair and Maintenance | $9 million in average annual receipts |
| Restraints, patient, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Resume writing services | 561410 Document Preparation Services | $19 million in average annual receipts |
| Resurfacing hardwood flooring | 238330 Flooring Contractors | $19 million in average annual receipts |
| Resurfacing, highway, road, street, bridge or airport runway | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Retail scales (e.g., butcher, delicatessen, produce) manufacturing | 333997 Scale and Balance Manufacturing | 500 employees |
| Retailers' associations | 813910 Business Associations | $15.5 million in average annual receipts |
| Retaining wall (except anchored earth), poured concrete, construction | 238110 Poured Concrete Foundation and Structure Contractors | $19 million in average annual receipts |
| Retaining wall, masonry (i.e., block, brick, stone), construction | 238140 Masonry Contractors | $19 million in average annual receipts |
| Retaining walls, anchored (e.g., with piles, soil nails, tieback anchors), construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Retarders (e.g., flameproofing agents, mildewproofing agents) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Retinoscopes (except electromedical) manufacturing | 339112 Surgical and Medical Instrument Manufacturing | 1,000 employees |
| Retinoscopes, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Retirement associations, social | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Retirement communities, continuing care | 623311 Continuing Care Retirement Communities | $34 million in average annual receipts |
| Retirement homes with nursing care | 623110 Nursing Care Facilities (Skilled Nursing Facilities) | $34 million in average annual receipts |
| Retirement homes without nursing care | 623312 Assisted Living Facilities for the Elderly | $23.5 million in average annual receipts |
| Retirement hotel rental or leasing | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Retirement pension plans | 525110 Pension Funds | $40 million in average annual receipts |
| Retorts, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Retractors, medical, manufacturing | 339112 Surgical and Medical Instrument Manufacturing | 1,000 employees |
| Retreading materials, tire, manufacturing | 326211 Tire Manufacturing (except Retreading) | 1,500 employees |
| Retreading tires | 326212 Tire Retreading | 500 employees |
| Retreat houses, religious | 813110 Religious Organizations | $13 million in average annual receipts |
| Retting flax | 115114 Postharvest Crop Activities (except Cotton Ginning) | $34 million in average annual receipts |
| Reupholstery shops, furniture | 811420 Reupholstery and Furniture Repair | $9 million in average annual receipts |
| Reverse mortgage lending | 522292 Real Estate Credit | $47 million in average annual receipts |
| Revetment construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Revolvers manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Revolving door installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Rewinding armatures (except on an assembly line or factory basis) | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $12.5 million in average annual receipts |
| Reworking oil and gas wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Rhenium refining, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Rheostats (i.e., dimmer switches), current carrying wiring device, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Rheostats, electronic, manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Rheostats, industrial control, manufacturing | 335314 Relay and Industrial Control Manufacturing | 750 employees |
| Rhodium mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Rhodochrosite mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Rhubarb farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Rhubarb, grown under cover | 111419 Other Food Crops Grown Under Cover | $4.5 million in average annual receipts |
| Ribbons (e.g., cash register, printer, typewriter), inked, manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Ribbons made from purchased fabrics | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Ribbons made in narrow woven fabric mills | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Ribbons made in nonwoven fabric mills | 313230 Nonwoven Fabric Mills | 850 employees |
| Ribbons, inked, manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Ribbons, inked, merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Ribbons, textile, merchant wholesalers | 424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | 100 employees |
| Rice (except wild rice) farming, field and seed production | 111160 Rice Farming | $2.5 million in average annual receipts |
| Rice bran, flour, and meals, manufacturing | 311212 Rice Milling | 750 employees |
| Rice breakfast foods manufacturing | 311230 Breakfast Cereal Manufacturing | 1,300 employees |
| Rice cleaning and polishing | 311212 Rice Milling | 750 employees |
| Rice drying | 115114 Postharvest Crop Activities (except Cotton Ginning) | $34 million in average annual receipts |
| Rice flour manufacturing | 311212 Rice Milling | 750 employees |
| Rice malt manufacturing | 311213 Malt Manufacturing | 500 employees |
| Rice meal manufacturing | 311212 Rice Milling | 750 employees |
| Rice milling | 311212 Rice Milling | 750 employees |
| Rice mixes (i.e., uncooked and packaged with other ingredients) made from purchased rice and dry ingredients | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Rice mixes (i.e., uncooked and packaged with other ingredients) made in dehydration plants | 311423 Dried and Dehydrated Food Manufacturing | 750 employees |
| Rice mixes (i.e., uncooked and packaged with other ingredients) made in rice mills | 311212 Rice Milling | 750 employees |
| Rice starches manufacturing | 311221 Wet Corn Milling and Starch Manufacturing | 1,300 employees |
| Rice, brewer's, manufacturing | 311212 Rice Milling | 750 employees |
| Rice, brown, manufacturing | 311212 Rice Milling | 750 employees |
| Rice, polished, merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Rice, unpolished, merchant wholesalers | 424510 Grain and Field Bean Merchant Wholesalers | 200 employees |
| Riding clothes cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Riding clothes, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Riding clothes, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Riding clothes, women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Riding clothes, women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Riding clothes, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Riding clubs, recreational | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Riding crops manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Riding instruction academies or schools | 611620 Sports and Recreation Instruction | $9 million in average annual receipts |
| Riding stables | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Rifle clubs, recreational | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Rifles (except toy) manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Rifles, BB and pellet, manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Rifles, pneumatic, manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Rifles, recoilless, manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Rifles, toy, manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Rifling machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Rig skidding, oil and gas field, on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Rigging large-scale equipment | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Right of way cutting (except maintenance) | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Rigid inflatable boats (RIBs) manufacturing | 336612 Boat Building | 1,000 employees |
| Rims, automotive, truck, and bus wheel, manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Rings, piston, manufacturing | 336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing | 1,050 employees |
| Rinks, ice or roller skating | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Riprap (except granite, limestone) preparation plants | 212319 Other Crushed and Broken Stone Mining and Quarrying | 550 employees |
| Riprap (except limestone and granite) mining or quarrying | 212319 Other Crushed and Broken Stone Mining and Quarrying | 550 employees |
| Riprap installation | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Riprap, granite, mining or quarrying | 212313 Crushed and Broken Granite Mining and Quarrying | 850 employees |
| Riprap, granite, preparation plants | 212313 Crushed and Broken Granite Mining and Quarrying | 850 employees |
| Riprap, limestone, mining or quarrying | 212312 Crushed and Broken Limestone Mining and Quarrying | 750 employees |
| Riprap, limestone, preparation plants | 212312 Crushed and Broken Limestone Mining and Quarrying | 750 employees |
| River freight transportation | 483211 Inland Water Freight Transportation | 1,050 employees |
| River passenger transportation | 483212 Inland Water Passenger Transportation | 550 employees |
| River rafting, recreational | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Riverboat casinos | 713210 Casinos (except Casino Hotels) | $34 million in average annual receipts |
| Riveting guns, handheld power-driven, manufacturing | 333991 Power-Driven Handtool Manufacturing | 950 employees |
| Riveting machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Rivets, metal, manufacturing | 332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing | 600 employees |
| RNs' (registered nurses) offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Roach poisons manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Road companies, theatrical | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Road construction | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Road construction and maintenance machinery merchant wholesalers | 423810 Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers | 250 employees |
| Road oils made from refined petroleum | 324199 All Other Petroleum and Coal Products Manufacturing | 950 employees |
| Road oils made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Roasted nuts and seeds manufacturing | 311911 Roasted Nuts and Peanut Butter Manufacturing | 750 employees |
| Roaster chicken production | 112320 Broilers and Other Meat Type Chicken Production | $3.5 million in average annual receipts |
| Roasters (i.e., cooking appliances), household-type electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Roasting coffee | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Roasting machinery manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Robes, lounging, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Robes, lounging, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Robes, lounging, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Robes, lounging, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Robes, lounging, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Robes, lounging, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Robes, lounging, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Robes, lounging, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Rock crushing machinery, portable, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Rock crushing machinery, stationary, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Rock drill bits, oil and gas field-type, manufacturing | 333132 Oil and Gas Field Machinery and Equipment Manufacturing | 1,250 employees |
| Rock drills, construction and surface mining-type, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Rock drills, underground mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Rock musical artists, independent | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Rock musical groups | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Rock removal, underwater | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Rock salt mining and/or beneficiating | 212393 Other Chemical and Fertilizer Mineral Mining | 500 employees |
| Rocker arms and parts, automotive and truck gasoline engine, manufacturing | 336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing | 1,050 employees |
| Rockers (except upholstered), wood, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Rockers, upholstered, manufacturing | 337121 Upholstered Household Furniture Manufacturing | 1,000 employees |
| Rocket casings, fabricated metal work, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Rocket engines, aircraft, manufacturing | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Rocket engines, guided missile, manufacturing | 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing | 1,250 employees |
| Rocket launchers manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Rockets (guided missiles), space and military, complete, manufacturing | 336414 Guided Missile and Space Vehicle Manufacturing | 1,300 employees |
| Rockets, ammunition (except guided missiles, pyrotechnic), manufacturing | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Rockfish fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Rocking horses manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Rod made by extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rod made by rolling purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rod rolling mill machinery, metalworking, manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Rod, aluminum, made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rod, aluminum, made in integrated secondary smelting and rolling mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Rod, copper and copper alloy, made from purchased copper or in integrated secondary smelting and rolling, drawing or extruding plants | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Rod, laminated plastics, manufacturing | 326130 Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing | 650 employees |
| Rod, nonferrous metals (except aluminum, copper), made from purchased metals or scrap | 331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding | 900 employees |
| Rod, nonrigid plastics, manufacturing | 326121 Unlaminated Plastics Profile Shape Manufacturing | 600 employees |
| Rodent poisons manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Rodenticides manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Rodeo managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Rodeo managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Rodeo organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Rodeo organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Rodeo promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Rodeo promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Rods and rod parts, fishing, manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Rods, hard rubber, manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Rods, iron or steel, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Rods, metal (except precious), merchant wholesalers | 423510 Metal Service Centers and Other Metal Merchant Wholesalers | 200 employees |
| Rods, surveyor's, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Roll roofing installation | 238160 Roofing Contractors | $19 million in average annual receipts |
| Roller bearings manufacturing | 332991 Ball and Roller Bearing Manufacturing | 1,250 employees |
| Roller hockey clubs, professional or semiprofessional | 711211 Sports Teams and Clubs | $47 million in average annual receipts |
| Roller leather manufacturing | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Roller skates manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Roller skating rinks | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Rollers, road construction and maintenance machinery, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Rollers, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Rolling doors for industrial buildings and warehouses, metal, manufacturing | 332321 Metal Window and Door Manufacturing | 750 employees |
| Rolling mill machinery and equipment, metalworking, manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Rolling mill roll machines, metalworking, manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Rolling mill rolls, iron, manufacturing | 331511 Iron Foundries | 1,000 employees |
| Rolling mill rolls, steel, manufacturing | 331513 Steel Foundries (except Investment) | 700 employees |
| Rolling pins, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Rolling stock, railroad, rebuilding | 336510 Railroad Rolling Stock Manufacturing | 1,500 employees |
| Rolls and buns (including frozen) made in commercial bakeries | 311812 Commercial Bakeries | 1,000 employees |
| Rolls and roll coverings, rubber (e.g., industrial, papermill, painters', steelmill) manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Romaine lettuce farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Rompers cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Rompers, infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Rompers, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Roof deck, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Roof insulation contractor | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Roof membrane installation | 238160 Roofing Contractors | $19 million in average annual receipts |
| Roof painting, spraying, or coating | 238160 Roofing Contractors | $19 million in average annual receipts |
| Roof truss (wood) installation | 238130 Framing Contractors | $19 million in average annual receipts |
| Roof trusses, wood, manufacturing | 321214 Truss Manufacturing | 500 employees |
| Roofing (i.e., single ply rubber membrane) manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Roofing cements, asphalt, made from purchased asphaltic materials | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Roofing coatings made from purchased asphaltic materials | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Roofing contractors | 238160 Roofing Contractors | $19 million in average annual receipts |
| Roofing felts made from purchased asphaltic materials | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Roofing material dealers | 444190 Other Building Material Dealers | $22 million in average annual receipts |
| Roofing materials (except wood) merchant wholesalers | 423330 Roofing, Siding, and Insulation Material Merchant Wholesalers | 225 employees |
| Roofing materials, wood, merchant wholesalers | 423310 Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers | 150 employees |
| Roofing tile, clay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Roofing tile, concrete, manufacturing | 327390 Other Concrete Product Manufacturing | 500 employees |
| Roofing, built-up tar and gravel, installation | 238160 Roofing Contractors | $19 million in average annual receipts |
| Roofing, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Room air-conditioners manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Room air-conditioners merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Room dividers, wood household-type, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Room heaters (except portable electric) manufacturing | 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing | 500 employees |
| Room heaters, portable electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Room thermostats manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Rooming and boarding houses | 721310 Rooming and Boarding Houses, Dormitories, and Workers' Camps | $14 million in average annual receipts |
| Root removing chemicals manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Root starches manufacturing | 311221 Wet Corn Milling and Starch Manufacturing | 1,300 employees |
| Rope fittings manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Rope, wire, made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Ropes (except wire rope) manufacturing | 314994 Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills | 1,000 employees |
| Ropes (except wire rope) merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Ropes, hemp, made from purchased fiber | 313111 Yarn Spinning Mills | — |
| Ropes, wire (except insulated), merchant wholesalers | 423510 Metal Service Centers and Other Metal Merchant Wholesalers | 200 employees |
| Rosaries and other small religious articles, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Roscoelite (vanadium hydromica) mining and/or beneficiating | 212291 Uranium-Radium-Vanadium Ore Mining | 250 employees |
| Rose bush growing | 111421 Nursery and Tree Production | $3.3 million in average annual receipts |
| Rosins (i.e., modified resins) manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Rosins made by distillation of pine gum or pine wood | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Rosins merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Rotary hoes manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Rotary tillers, farm-type, manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Rotary type meters, consumption registering, manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Rotenone insecticides manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Rotogravure printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Rotogravure printing plates and cylinders preparation services | 323120 Support Activities for Printing | 550 employees |
| Rotor retainers and housings manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Rotors (i.e., for motors) manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Rouge, cosmetic, manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Round stave baskets (e.g., fruit, vegetable) manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Rounds or rungs, furniture, hardwood, manufacturing | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Rounds, tube, steel, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Roundwood merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Roustabout mining services, on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Routers, handheld power-driven, manufacturing | 333991 Power-Driven Handtool Manufacturing | 950 employees |
| Roving machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Row house (i.e., single-family type) construction general contractors | 236115 New Single-Family Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Row house construction for-sale builders | 236117 New Housing For-Sale Builders | $45 million in average annual receipts |
| Rowboat rental | 532284 Recreational Goods Rental | $9 million in average annual receipts |
| Rowboats manufacturing | 336612 Boat Building | 1,000 employees |
| Rowing clubs, recreational | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Royal jelly production, bees | 112910 Apiculture | $3.3 million in average annual receipts |
| Rubber and plastics belts and hoses (without fittings) manufacturing | 326220 Rubber and Plastics Hoses and Belting Manufacturing | 800 employees |
| Rubber bands manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Rubber cements manufacturing | 325520 Adhesive Manufacturing | 550 employees |
| Rubber clay mining and/or beneficiating | 212324 Kaolin and Ball Clay Mining | 750 employees |
| Rubber door installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Rubber floor coverings manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Rubber goods, mechanical (i.e., extruded, lathe-cut, molded), manufacturing | 326291 Rubber Product Manufacturing for Mechanical Use | 750 employees |
| Rubber goods, mechanical (i.e., extruded, lathe-cut, molded), merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Rubber goods, medical, merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Rubber processing preparations (e.g., accelerators, stabilizers) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Rubber scrap and scrap tires merchant wholesalers | 423930 Recyclable Material Merchant Wholesalers | 125 employees |
| Rubber stamps manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Rubber stamps, merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Rubber thread and yarns, fabric covered, manufacturing | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Rubber tubing manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Rubber working machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Rubber, crude, merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Rubber, synthetic, manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Rubberizing purchased capes | 313320 Fabric Coating Mills | 1,000 employees |
| Rubberizing purchased cloaks | 313320 Fabric Coating Mills | 1,000 employees |
| Rubberizing purchased clothing | 313320 Fabric Coating Mills | 1,000 employees |
| Rubberizing purchased coats | 313320 Fabric Coating Mills | 1,000 employees |
| Rubberizing purchased textiles and apparel | 313320 Fabric Coating Mills | 1,000 employees |
| Rubbing stones mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Rubbish (i.e., nonhazardous solid waste) hauling, local | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Rubbish collection services | 562111 Solid Waste Collection | $47 million in average annual receipts |
| Rubbish disposal combustors or incinerators | 562213 Solid Waste Combustors and Incinerators | $47 million in average annual receipts |
| Rubbish disposal landfills | 562212 Solid Waste Landfill | $47 million in average annual receipts |
| Rubbish hauling without collection or disposal, truck, local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Rubbish hauling without collection or disposal, truck, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Rubble hauling, local | 562119 Other Waste Collection | $47 million in average annual receipts |
| Rubble removal services | 562119 Other Waste Collection | $47 million in average annual receipts |
| Ruby mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Rug and carpet rental | 532289 All Other Consumer Goods Rental | $12.5 million in average annual receipts |
| Rug cleaning plants | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Rug cleaning preparations manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Rug cleaning services | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Rug stores | 442210 Floor Covering Stores | $8 million in average annual receipts |
| Rugs and carpets made from textile materials | 314110 Carpet and Rug Mills | 1,500 employees |
| Rugs merchant wholesalers | 423220 Home Furnishing Merchant Wholesalers | 100 employees |
| Rulers and rules (except slide), wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Rulers, metal, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Rulers, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Rules, slide, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Runaway youth shelters | 624221 Temporary Shelters | $13.5 million in average annual receipts |
| Runway maintenance services | 488119 Other Airport Operations | $40 million in average annual receipts |
| Runway, airport, line painting (e.g., striping) | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Rural bus services | 485210 Interurban and Rural Bus Transportation | $32 million in average annual receipts |
| Rust arresting petroleum compounds made from refined petroleum | 324191 Petroleum Lubricating Oil and Grease Manufacturing | 900 employees |
| Rust preventive preparations manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Rust removers manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Rustproofing (except automotive) | 238320 Painting and Wall Covering Contractors | $19 million in average annual receipts |
| Rustproofing metals and metal products for the trade | 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | 600 employees |
| Rustproofing shops, automotive | 811198 All Other Automotive Repair and Maintenance | $10 million in average annual receipts |
| Rutabaga farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Ruthenium ore mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Rutile mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| RV (recreational vehicle) parks | 721211 RV (Recreational Vehicle) Parks and Campgrounds | $10 million in average annual receipts |
| RV (recreational vehicle) rental or leasing | 532120 Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | $47 million in average annual receipts |
| RV dealers | 441210 Recreational Vehicle Dealers | $40 million in average annual receipts |
| Rye farming, field and seed production | 111199 All Other Grain Farming | $2.3 million in average annual receipts |
| Rye flour manufacturing | 311211 Flour Milling | 1,050 employees |
| Rye malt manufacturing | 311213 Malt Manufacturing | 500 employees |
| Ryegrass seed farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
Business activities are the U.S. Census Bureau's illustrative examples for each NAICS code, size standards the SBA's. An activity Census lists under a retired code and a code in use names only the code in use. Search NAICS codes
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