NAICS Codes by Business Activity: A (Abattoirs to Aniline)
Activities 1–598 of 1,195
| Business activity | NAICS code | Size standard |
|---|---|---|
| Abattoirs | 311611 Animal (except Poultry) Slaughtering | 1,150 employees |
| Abortion clinics | 621410 Family Planning Centers | $19 million in average annual receipts |
| Abrasion testing machines manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Abrasive points, wheels, and disks, dental, manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Abrasive products manufacturing | 327910 Abrasive Product Manufacturing | 900 employees |
| Abrasive sand quarrying and/or beneficiating | 212322 Industrial Sand Mining | 750 employees |
| Abrasive stones (e.g., emery, grindstones, hones, pumice) mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Abrasives merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Abrasives, natural, mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Absorbent paper stock manufacturing | 322121 Paper (except Newsprint) Mills | 1,250 employees |
| Absorbers, gas, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Absorption analyzers, industrial process type (e.g., infrared), manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Abutment construction | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Academic tutoring services | 611691 Exam Preparation and Tutoring | $12.5 million in average annual receipts |
| Academies, college or university | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Academies, elementary or secondary | 611110 Elementary and Secondary Schools | $20 million in average annual receipts |
| Academies, junior college | 611210 Junior Colleges | $32.5 million in average annual receipts |
| Academies, military service (college) | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Academies, riding instruction | 611620 Sports and Recreation Instruction | $9 million in average annual receipts |
| Acceleration indicators and systems components, aerospace type, manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Accelerators (i.e., basic synthetic chemical) manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Accelerometers (except aerospace type) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Access flooring installation | 238330 Flooring Contractors | $19 million in average annual receipts |
| Accident prevention associations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Accidental and health reinsurance carriers | 524130 Reinsurance Carriers | $47 million in average annual receipts |
| Accidental death and dismemberment insurance carriers, direct | 524113 Direct Life Insurance Carriers | $47 million in average annual receipts |
| Accidental death and dismemberment insurance underwriting, direct | 524113 Direct Life Insurance Carriers | $47 million in average annual receipts |
| Accordions and parts manufacturing | 339992 Musical Instrument Manufacturing | 1,000 employees |
| Account collection services | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Accountants' (except CPAs) offices | 541219 Other Accounting Services | $25 million in average annual receipts |
| Accountants' (except CPAs) private practices | 541219 Other Accounting Services | $25 million in average annual receipts |
| Accountants' (i.e., CPAs) offices, certified public | 541211 Offices of Certified Public Accountants | $26.5 million in average annual receipts |
| Accountants' (i.e., CPAs) private practices, certified public | 541211 Offices of Certified Public Accountants | $26.5 million in average annual receipts |
| Accountants' associations | 813920 Professional Organizations | $23.5 million in average annual receipts |
| Accounting (i.e., CPAs) services, certified public | 541211 Offices of Certified Public Accountants | $26.5 million in average annual receipts |
| Accounting machines merchant wholesalers | 423420 Office Equipment Merchant Wholesalers | 200 employees |
| Accounting services (except CPAs) | 541219 Other Accounting Services | $25 million in average annual receipts |
| Accumulators, industrial pressure vessels, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Acetal resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Acetaldehyde manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetate fibers and filaments manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Acetate of lime, natural, made by distillation of wood | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Acetate spun yarns made from purchased fiber | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Acetates, not specified elsewhere by process, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetic acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetic anhydride manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetin manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetone, natural, manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Acetone, synthetic, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acetylene cylinders, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Acetylene manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Acetylsalicylic acid manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Acid dyes, synthetic organic, manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Acid esters, not specified elsewhere by process, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acid oils made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Acid plant construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Acid waste disposal facilities | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Acid waste treatment facilities | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Acidity (i.e., pH) instruments, industrial process type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Acidity (i.e., pH) measuring equipment, laboratory analysis-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Acidizing oil and gas field wells on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Acidophilus milk manufacturing | 311511 Fluid Milk Manufacturing | 1,150 employees |
| Acids merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Acids, organic, not specified elsewhere by process, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acorn squash farming, field, bedding plant and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Acoustical ceiling tile and panel installation | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Acoustical engineering consulting services | 541330 Engineering Services | $25.5 million in average annual receipts |
| Acoustical foam (i.e., sound barrier) installation | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Acoustical suspension systems, metal, manufacturing | 332323 Ornamental and Architectural Metal Work Manufacturing | 500 employees |
| Acoustical system engineering design services | 541330 Engineering Services | $25.5 million in average annual receipts |
| Acoustics testing laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Acrolein manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acrylate rubber manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Acrylate-butadiene rubber manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Acrylic and modacrylic filament yarn throwing, twisting, texturizing, or winding purchased yarn | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Acrylic fibers and filaments manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Acrylic film and unlaminated sheet (except packaging) manufacturing | 326113 Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing | 750 employees |
| Acrylic resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Acrylic rubber manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Acrylic spun yarns made from purchased fiber | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Acrylonitrile fibers and filaments manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Acrylonitrile manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Acrylonitrile-butadiene-styrene (ABS) resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Actinometers, meteorological, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Action figures manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Activated carbon or charcoal manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Activity centers for disabled persons, the elderly, and persons diagnosed with intellectual and developmental disabilities | 624120 Services for the Elderly and Persons with Disabilities | $15 million in average annual receipts |
| Actors, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Actresses, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Actuarial consulting services (except insurance actuarial services) | 541612 Human Resources Consulting Services | $29 million in average annual receipts |
| Actuarial services, insurance | 524298 All Other Insurance Related Activities | $30.5 million in average annual receipts |
| Actuators, fluid power, manufacturing | 333995 Fluid Power Cylinder and Actuator Manufacturing | 800 employees |
| Acupuncturists' (except MDs or DOs) offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Acupuncturists' (MDs or DOs) offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Acyclic hydrocarbons (e.g., butene, ethylene, propene) (except acetylene) made from refined petroleum or liquid hydrocarbons | 325110 Petrochemical Manufacturing | 1,300 employees |
| Adapters, bombcluster, manufacturing | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Adding machines manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Addition, alteration and renovation (i.e., construction), multifamily building | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation (i.e., construction), residential building | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation for-sale builders, commercial and institutional building | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation for-sale builders, commercial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation for-sale builders, hotel and motel | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation for-sale builders, industrial building (except warehouses) | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation for-sale builders, industrial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation general contractors, commercial and institutional building | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation general contractors, commercial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation general contractors, hotel and motel | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation general contractors, industrial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation of single-family dwellings | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, commercial and institutional building | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, commercial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, general contractors, industrial building (except warehouses) | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, hotel and motel | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, industrial building (except warehouses) | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, industrial warehouse | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Addition, alteration and renovation, multifamily building, for-sale builders | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, multifamily building, general contractors | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, residential building, for-sale builders | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, residential building, general contractors | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, single-family housing, for-sale builders | 236118 Residential Remodelers | $45 million in average annual receipts |
| Addition, alteration and renovation, single-family housing, general contractors | 236118 Residential Remodelers | $45 million in average annual receipts |
| Additive preparations for gasoline (e.g., antiknock preparations, detergents, gum inhibitors) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Address bar coding services | 561499 All Other Business Support Services | $21.5 million in average annual receipts |
| Address list publishers (except exlusive Internet publishing) | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Address list publishers and printing combined | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Address lists commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Address lists flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Address lists lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Address lists printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Address lists screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Addressing machines merchant wholesalers | 423420 Office Equipment Merchant Wholesalers | 200 employees |
| Adhesive tape (except medical) made from purchased materials | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Adhesive tape, medical, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Adhesives (except asphalt, dental, gypsum base) manufacturing | 325520 Adhesive Manufacturing | 550 employees |
| Adhesives and sealants merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Adipic acid esters or amines manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Adipic acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Adiponitrile manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Administration building construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Administrative courts | 922110 Courts | — |
| Administrative management consulting services | 541611 Administrative Management and General Management Consulting Services | $24.5 million in average annual receipts |
| Administrative management services | 561110 Office Administrative Services | $12.5 million in average annual receipts |
| Administrators of private estates | 523991 Trust, Fiduciary, and Custody Activities | $47 million in average annual receipts |
| Adobe bricks manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Adoption agencies | 624110 Child and Youth Services | $15.5 million in average annual receipts |
| Adoption services, child | 624110 Child and Youth Services | $15.5 million in average annual receipts |
| Adrenal derivatives, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Adrenal medicinal preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Adult literacy instruction | 611691 Exam Preparation and Tutoring | $12.5 million in average annual receipts |
| Advanced/technical ceramic product manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Advertising agencies | 541810 Advertising Agencies | $25.5 million in average annual receipts |
| Advertising agency consulting services | 541810 Advertising Agencies | $25.5 million in average annual receipts |
| Advertising material (e.g., coupons, flyers, samples) direct distribution services | 541870 Advertising Material Distribution Services | $28.5 million in average annual receipts |
| Advertising material preparation services for mailing or other direct distribution | 541860 Direct Mail Advertising | $22 million in average annual receipts |
| Advertising materials (e.g., coupons, flyers) commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Advertising materials (e.g., coupons, flyers) lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Advertising media representatives (i.e., independent of media owners) | 541840 Media Representatives | $21 million in average annual receipts |
| Advertising periodical publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Advertising periodical publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Advertising periodical publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Advertising services, indoor or outdoor display | 541850 Indoor and Outdoor Display Advertising | $34.5 million in average annual receipts |
| Advertising specialty (e.g., keychain, magnet, pen) distribution services | 541890 Other Services Related to Advertising | $19 million in average annual receipts |
| Advertising, aerial | 541850 Indoor and Outdoor Display Advertising | $34.5 million in average annual receipts |
| Advisory commissions, executive government | 921110 Executive Offices | — |
| Advisory commissions, legislative | 921120 Legislative Bodies | — |
| Aerial cable car, scenic and sightseeing, operation | 487990 Scenic and Sightseeing Transportation, Other | $25 million in average annual receipts |
| Aerial cameras manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Aerial dusting or spraying (i.e., using specialized or dedicated aircraft) | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Aerial geophysical surveying services | 541360 Geophysical Surveying and Mapping Services | $28.5 million in average annual receipts |
| Aerial or picker truck, construction, rental with operator | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Aerial surveying (except geophysical) services | 541370 Surveying and Mapping (except Geophysical) Services | $19 million in average annual receipts |
| Aerial tramway, scenic and sightseeing, operation | 487990 Scenic and Sightseeing Transportation, Other | $25 million in average annual receipts |
| Aerial work platforms manufacturing | 333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing | 1,250 employees |
| Aerobic dance and exercise centers | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Aeronautical equipment and supplies merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Aeronautical systems and instruments manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Aerosol can filling on a job order or contract basis | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Aerosol cans, light gauge metal, manufacturing | 332431 Metal Can Manufacturing | 1,500 employees |
| Aerosol packaging services | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Aerosol valves manufacturing | 332919 Other Metal Valve and Pipe Fitting Manufacturing | 750 employees |
| After-shave preparations manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Aftercoolers (i.e., heat exchangers) manufacturing | 332410 Power Boiler and Heat Exchanger Manufacturing | 750 employees |
| Agar culture media manufacturing | 325414 Biological Product (except Diagnostic) Manufacturing | 1,250 employees |
| Agar-agar grinding manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Agate mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Agave farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Agencies of foreign banks (i.e., trade financing) | 522293 International Trade Financing | $41.5 million in average annual receipts |
| Agencies, insurance | 524210 Insurance Agencies and Brokerages | $15 million in average annual receipts |
| Agencies, loan | 522310 Mortgage and Nonmortgage Loan Brokers | $15 million in average annual receipts |
| Agencies, real estate | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Agencies, real estate escrow | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Agents and brokers, durable goods, wholesale trade | 425120 Wholesale Trade Agents and Brokers | 125 employees |
| Agents and brokers, nondurable goods, wholesale trade | 425120 Wholesale Trade Agents and Brokers | 125 employees |
| Agents' offices, real estate escrow | 531390 Other Activities Related to Real Estate | $19.5 million in average annual receipts |
| Agents, artists' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, authors' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, celebrities' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, entertainers' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, laundry and drycleaning | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Agents, modeling | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, public figures' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, real estate | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Agents, shipping | 488510 Freight Transportation Arrangement | $20 million in average annual receipts |
| Agents, sports figures' | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, talent | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agents, theatrical talent | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Agglomerates, iron ore, beneficiating | 212210 Iron Ore Mining | 1,400 employees |
| Aggregate spreaders manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Aggressins (except in-vitro) manufacturing | 325414 Biological Product (except Diagnostic) Manufacturing | 1,250 employees |
| Agreement corporation (except international trade financing) | 551112 Offices of Other Holding Companies | $45.5 million in average annual receipts |
| Agreement corporations (i.e., international trade financing) | 522293 International Trade Financing | $41.5 million in average annual receipts |
| Agricultural (i.e., crop, livestock) insurance carriers, direct | 524126 Direct Property and Casualty Insurance Carriers | 1,500 employees |
| Agricultural chemicals merchant wholesalers | 424910 Farm Supplies Merchant Wholesalers | 200 employees |
| Agricultural consulting services | 541690 Other Scientific and Technical Consulting Services | $19 million in average annual receipts |
| Agricultural cooperative extension program administration | 926140 Regulation of Agricultural Marketing and Commodities | — |
| Agricultural credit institutions, making loans or extending credit (except real estate, sales financing) | 522298 All Other Nondepository Credit Intermediation | $41.5 million in average annual receipts |
| Agricultural fair managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Agricultural fair organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Agricultural fair promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Agricultural handtools (e.g., hay forks, hoes, rakes, spades), nonpowered, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Agricultural implements merchant wholesalers | 423820 Farm and Garden Machinery and Equipment Merchant Wholesalers | 125 employees |
| Agricultural lending (except real estate, sales financing) | 522298 All Other Nondepository Credit Intermediation | $41.5 million in average annual receipts |
| Agricultural lime manufacturing | 327410 Lime Manufacturing | 1,050 employees |
| Agricultural limestone merchant wholesalers | 424910 Farm Supplies Merchant Wholesalers | 200 employees |
| Agricultural limestone mining and/or beneficiating | 212312 Crushed and Broken Limestone Mining and Quarrying | 750 employees |
| Agricultural machinery and equipment merchant wholesalers | 423820 Farm and Garden Machinery and Equipment Merchant Wholesalers | 125 employees |
| Agricultural machinery and equipment rental or leasing | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Agricultural machinery and equipment repair and maintenance services | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $12.5 million in average annual receipts |
| Agricultural magazine and periodical publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Agricultural magazine and periodical publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Agricultural magazine and periodical publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Agricultural magazines and periodicals commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Agricultural magazines and periodicals flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Agricultural magazines and periodicals lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Agricultural magazines and periodicals printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Agricultural magazines and periodicals screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Agricultural marketing services government | 926140 Regulation of Agricultural Marketing and Commodities | — |
| Agricultural organizations (except youth farming organizations, farm granges) | 813910 Business Associations | $15.5 million in average annual receipts |
| Agricultural pest and weed regulation, government | 926140 Regulation of Agricultural Marketing and Commodities | — |
| Agricultural products trucking, local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Agricultural property rental leasing | 531190 Lessors of Other Real Estate Property | $34 million in average annual receipts |
| Agriculture fair boards administration | 926140 Regulation of Agricultural Marketing and Commodities | — |
| Agriculture production or harvesting crews | 115115 Farm Labor Contractors and Crew Leaders | $19 million in average annual receipts |
| Agriculture research and development laboratories or services (except biotechnology research and development) | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 1,000 employees |
| Agrology consulting services | 541690 Other Scientific and Technical Consulting Services | $19 million in average annual receipts |
| Agronomy consulting services | 541690 Other Scientific and Technical Consulting Services | $19 million in average annual receipts |
| Aid to families with dependent children (AFDC) | 624110 Child and Youth Services | $15.5 million in average annual receipts |
| Air ambulance services | 621910 Ambulance Services | $22.5 million in average annual receipts |
| Air bag assemblies manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Air boat building | 336612 Boat Building | 1,000 employees |
| Air brake systems and parts, automotive, truck, and bus, manufacturing | 336340 Motor Vehicle Brake System Manufacturing | 1,250 employees |
| Air cargo carriers (except air couriers), nonscheduled | 481212 Nonscheduled Chartered Freight Air Transportation | 1,500 employees |
| Air cargo carriers (except air couriers), scheduled | 481112 Scheduled Freight Air Transportation | 1,500 employees |
| Air cargo containers, light gauge metal, manufacturing | 332439 Other Metal Container Manufacturing | 600 employees |
| Air circuit breakers manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Air commuter carriers, scheduled | 481111 Scheduled Passenger Air Transportation | 1,500 employees |
| Air compressors manufacturing | 333912 Air and Gas Compressor Manufacturing | 1,000 employees |
| Air courier services (except establishments operating under a universal service obligation) | 492110 Couriers and Express Delivery Services | 1,500 employees |
| Air cowls, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Air filters, automotive, truck, and bus, manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Air flow controllers (except valves), air-conditioning and refrigeration, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Air Force | 928110 National Security | — |
| Air laid nonwoven fabrics manufacturing | 313230 Nonwoven Fabric Mills | 850 employees |
| Air passenger carriers, nonscheduled | 481211 Nonscheduled Chartered Passenger Air Transportation | 1,500 employees |
| Air passenger carriers, scheduled | 481111 Scheduled Passenger Air Transportation | 1,500 employees |
| Air pollution control equipment and supplies merchant wholesalers | 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 175 employees |
| Air purification equipment, portable, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Air purification equipment, stationary, manufacturing | 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 500 employees |
| Air receiver tanks, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Air scrubbing systems manufacturing | 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 500 employees |
| Air show managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Air show managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Air show organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Air show organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Air show promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Air show promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Air system balancing and testing | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Air taxi services | 481211 Nonscheduled Chartered Passenger Air Transportation | 1,500 employees |
| Air traffic control radar systems and equipment manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Air traffic control schools | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Air traffic control services (except military) | 488111 Air Traffic Control | $40 million in average annual receipts |
| Air traffic control, military | 928110 National Security | — |
| Air vent installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Air washers (i.e., air scrubbers) manufacturing | 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 500 employees |
| Air-conditioner rental | 532210 Consumer Electronics and Appliances Rental | $47 million in average annual receipts |
| Air-conditioner, window, repair and maintenance services | 811412 Appliance Repair and Maintenance | $19 million in average annual receipts |
| Air-conditioners, motor vehicle, manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Air-conditioners, room, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Air-conditioners, unit (e.g., motor home, travel trailer, window), manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Air-conditioning and warm air heating combination units manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Air-conditioning compressors (except motor vehicle) manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Air-conditioning condensers and condensing units manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Air-conditioning equipment (except motor vehicle) manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Air-conditioning equipment (except room units) merchant wholesalers | 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 175 employees |
| Air-conditioning supply | 221330 Steam and Air-Conditioning Supply | $30 million in average annual receipts |
| Air-conditioning system (except window) installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Airboat (i.e., swamp buggy) operation | 487210 Scenic and Sightseeing Transportation, Water | $14 million in average annual receipts |
| Airborne navigational systems manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Airborne radio communications equipment manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Aircraft and automotive wire and cable (except aluminum, copper) made from purchased nonferrous metals (except aluminum, copper) in wire drawing plants | 331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding | 900 employees |
| Aircraft and automotive wire or cable made from purchased copper in wire drawing plants | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Aircraft artillery manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Aircraft assemblies, subassemblies, and parts (except engines) manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft auxiliary parts (e.g., crop dusting, external fuel tanks, inflight refueling equipment) manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft brakes manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft carrier catapults manufacturing | 333999 All Other Miscellaneous General Purpose Machinery Manufacturing | 500 employees |
| Aircraft charter services (i.e., general purpose aircraft used for a variety of specialty air and flying services) | 481219 Other Nonscheduled Air Transportation | $25 million in average annual receipts |
| Aircraft charter services, passenger | 481211 Nonscheduled Chartered Passenger Air Transportation | 1,500 employees |
| Aircraft control surface assemblies manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft conversions (i.e., major modifications to system) | 336411 Aircraft Manufacturing | 1,500 employees |
| Aircraft dealers | 441228 Motorcycle, ATV, and All Other Motor Vehicle Dealers | $35 million in average annual receipts |
| Aircraft engine and engine parts (except carburetors, pistons, piston rings, valves) manufacturing | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Aircraft engine cradles manufacturing | 333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing | 900 employees |
| Aircraft engine instruments manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Aircraft engine overhauling | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Aircraft engine rebuilding | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Aircraft engines and parts merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Aircraft equipment and supplies merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Aircraft ferrying services | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Aircraft flight instruments (except engine instruments) manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Aircraft fuselage wing tail and similar assemblies manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft hangar rental | 488119 Other Airport Operations | $40 million in average annual receipts |
| Aircraft hardware, metal, manufacturing | 332510 Hardware Manufacturing | 750 employees |
| Aircraft inspection services | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Aircraft inspection, government | 926120 Regulation and Administration of Transportation Programs | — |
| Aircraft janitorial services | 561720 Janitorial Services | $22 million in average annual receipts |
| Aircraft lighting fixtures manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Aircraft loading hoists manufacturing | 333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing | 900 employees |
| Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Aircraft manufacturing | 336411 Aircraft Manufacturing | 1,500 employees |
| Aircraft merchant wholesalers | 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers | 175 employees |
| Aircraft overhauling | 336411 Aircraft Manufacturing | 1,500 employees |
| Aircraft parking service | 488119 Other Airport Operations | $40 million in average annual receipts |
| Aircraft propellers and parts manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircraft rebuilding (i.e., restoration to original design specifications) | 336411 Aircraft Manufacturing | 1,500 employees |
| Aircraft rental and leasing | 532411 Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing | $45.5 million in average annual receipts |
| Aircraft seats manufacturing | 336360 Motor Vehicle Seating and Interior Trim Manufacturing | 1,500 employees |
| Aircraft testing services | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Aircraft tie down strap assemblies (except leather) manufacturing | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Aircraft tire manufacturing | 326211 Tire Manufacturing (except Retreading) | 1,500 employees |
| Aircraft turbines manufacturing | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Aircraft upholstery repair | 811420 Reupholstery and Furniture Repair | $9 million in average annual receipts |
| Aircraft wheels manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Aircurtains manufacturing | 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 500 employees |
| Airframe assemblies (except for guided missiles) manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Airframe assemblies for guided missiles manufacturing | 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing | 1,050 employees |
| Airframe equipment instruments manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Airfreshners manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Airline food services contractors | 722310 Food Service Contractors | $47 million in average annual receipts |
| Airline reservation services | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Airline ticket offices | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Airlocks, fabricated metal plate work, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Airmail carriers, scheduled | 481112 Scheduled Freight Air Transportation | 1,500 employees |
| Airplane rental or leasing | 532411 Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing | $45.5 million in average annual receipts |
| Airport baggage handling services | 488119 Other Airport Operations | $40 million in average annual receipts |
| Airport building construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Airport cargo handling services | 488119 Other Airport Operations | $40 million in average annual receipts |
| Airport leasing, not operating airport, rental or leasing | 531190 Lessors of Other Real Estate Property | $34 million in average annual receipts |
| Airport lighting transformers manufacturing | 335311 Power, Distribution, and Specialty Transformer Manufacturing | 800 employees |
| Airport limousine services (i.e., shuttle) | 485999 All Other Transit and Ground Passenger Transportation | $19 million in average annual receipts |
| Airport operators (e.g., civil, international, national) | 488119 Other Airport Operations | $40 million in average annual receipts |
| Airport passenger screening security services | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Airport runway construction | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Airport runway lighting contractors | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Airport runway line painting (e.g., striping) | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Airport runway maintenance services | 488119 Other Airport Operations | $40 million in average annual receipts |
| Airport shuttle services | 485999 All Other Transit and Ground Passenger Transportation | $19 million in average annual receipts |
| Airport terminal construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Airports, civil, operation and maintenance | 488119 Other Airport Operations | $40 million in average annual receipts |
| Airspeed instruments (aeronautical) manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Alabaster mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Alarm apparatus, electric, merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Alarm clocks manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Alarm system (e.g., fire, burglar), electric, installation only | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Alarm system central monitoring equipment manufacturing | 334290 Other Communications Equipment Manufacturing | 800 employees |
| Alarm system monitoring services | 561621 Security Systems Services (except Locksmiths) | $25 million in average annual receipts |
| Alarm systems and equipment manufacturing | 334290 Other Communications Equipment Manufacturing | 800 employees |
| Alarm systems sales combined with installation, repair, or monitoring services | 561621 Security Systems Services (except Locksmiths) | $25 million in average annual receipts |
| Albums (e.g., photo, scrap) and refills manufacturing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Albums, photo, merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Alcohol, industrial, merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Alcohol, tobacco, and firearms control | 922120 Police Protection | — |
| Alcoholic beverage control boards | 926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors | — |
| Alcoholic beverage delivery service | 492210 Local Messengers and Local Delivery | $34 million in average annual receipts |
| Alcoholic beverage drinking places | 722410 Drinking Places (Alcoholic Beverages) | $9 million in average annual receipts |
| Alcoholic beverages (except brandy) distilling | 312140 Distilleries | 1,100 employees |
| Alcoholic beverages (except distilled spirits, wine) merchant wholesalers | 424810 Beer and Ale Merchant Wholesalers | 200 employees |
| Alcoholic beverages, brandy, distilling | 312130 Wineries | 1,000 employees |
| Alcoholic beverages, wine and distilled spirits merchant wholesalers | 424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers | 250 employees |
| Alcoholism and drug addiction self-help organizations | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Alcoholism counseling (except medical treatment), nonresidential | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Alcoholism rehabilitation facilities (except licensed hospitals), residential | 623220 Residential Mental Health and Substance Abuse Facilities | $19 million in average annual receipts |
| Alcoholism rehabilitation hospitals | 622210 Psychiatric and Substance Abuse Hospitals | $47 million in average annual receipts |
| Alcoholism self-help organizations | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Alcoholism treatment centers and clinics (except hospitals), outpatient | 621420 Outpatient Mental Health and Substance Abuse Centers | $19 million in average annual receipts |
| Aldehydes manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Ale brewing | 312120 Breweries | 1,250 employees |
| Ale merchant wholesalers | 424810 Beer and Ale Merchant Wholesalers | 200 employees |
| Alfalfa hay farming | 111940 Hay Farming | $2.5 million in average annual receipts |
| Alfalfa meal, dehydrated, manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Alfalfa merchant wholesalers | 424910 Farm Supplies Merchant Wholesalers | 200 employees |
| Alfalfa prepared as feed for animals | 311119 Other Animal Food Manufacturing | 650 employees |
| Alfalfa seed farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Alfalfa sprout farming, grown under cover | 111419 Other Food Crops Grown Under Cover | $4.5 million in average annual receipts |
| Alfalfa, cubed, manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Algae farming | 112519 Other Aquaculture | $3.8 million in average annual receipts |
| Alginates (e.g., calcium, potassium, sodium) manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Alginic acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Alidades, surveying, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Alignment equipment, motor vehicle, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Aliphatic (e.g., hydrocarbons) (except acetylene) made from refined petroleum or liquid hydrocarbons | 325110 Petrochemical Manufacturing | 1,300 employees |
| Aliphatic chemicals (i.e., acyclic) made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Alkalies manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Alkalies merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Alkaline cell primary batteries manufacturing | 335912 Primary Battery Manufacturing | 1,000 employees |
| Alkaline cell storage batteries (i.e., nickel-cadmium, nickel-iron, silver oxide-zinc) manufacturing | 335911 Storage Battery Manufacturing | 1,250 employees |
| Alkaline manganese primary batteries manufacturing | 335912 Primary Battery Manufacturing | 1,000 employees |
| Alkyd resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Alkylates made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| All-terrain vehicle (ATV) dealers | 441228 Motorcycle, ATV, and All Other Motor Vehicle Dealers | $35 million in average annual receipts |
| All-terrain vehicles (ATVs) merchant wholesalers | 423110 Automobile and Other Motor Vehicle Merchant Wholesalers | 250 employees |
| All-terrain vehicles (ATVs), wheeled or tracked, manufacturing | 336999 All Other Transportation Equipment Manufacturing | 1,000 employees |
| Allergenic extracts (except diagnostic substances) manufacturing | 325414 Biological Product (except Diagnostic) Manufacturing | 1,250 employees |
| Allergens manufacturing | 325414 Biological Product (except Diagnostic) Manufacturing | 1,250 employees |
| Allergists' offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Alligator production, farm raising | 112519 Other Aquaculture | $3.8 million in average annual receipts |
| Alloy steel castings (except investment), unfinished, manufacturing | 331513 Steel Foundries (except Investment) | 700 employees |
| Alloying purchased aluminum metals | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Alloying purchased copper | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Alloying purchased copper metals | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Alloying purchased nonferrous metals (except aluminum, copper) | 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) | 850 employees |
| Allyl resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Almanac binding without printing | 323120 Support Activities for Printing | 550 employees |
| Almanac publishers (except exclusive Internet publishing) | 511130 Book Publishers | 1,000 employees |
| Almanac publishers and printing combined | 511130 Book Publishers | 1,000 employees |
| Almanac publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Almanacs printing and binding without publishing | 323117 Books Printing | 1,250 employees |
| Almanacs printing without publishing | 323117 Books Printing | 1,250 employees |
| Almond farming | 111335 Tree Nut Farming | $3.8 million in average annual receipts |
| Almond hulling and shelling | 115114 Postharvest Crop Activities (except Cotton Ginning) | $34 million in average annual receipts |
| Almond pastes manufacturing | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Aloe farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Alpaca production | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Alpine skiing facilities with accommodations (i.e., ski resort) | 721110 Hotels (except Casino Hotels) and Motels | $40 million in average annual receipts |
| Alpine skiing facilities without accommodations | 713920 Skiing Facilities | $35 million in average annual receipts |
| Alternative energy (e.g., geothermal, ocean wave, solar, wind) structure construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Alternative fuels, direct selling | 454310 Fuel Dealers | 100 employees |
| Alternator and generator testers manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Alternators and generators for internal combustion engines manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Altimeters, aeronautical, manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Alum, natural, mining and/or beneficiating | 212391 Potash, Soda, and Borate Mineral Mining | 750 employees |
| Alumina fused refractories manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Alumina porcelain insulators manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Alumina refining | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminous refractory cement manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Aluminum alloys made from bauxite or alumina producing primary aluminum and manufacturing | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminum alloys made from scrap or dross | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum bar made by extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum bar made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum billet made from purchased aluminum | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum billet made in integrated secondary smelting and rolling mills | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum cans, light gauge metal, manufacturing | 332431 Metal Can Manufacturing | 1,500 employees |
| Aluminum castings (except die-castings), unfinished, manufacturing | 331524 Aluminum Foundries (except Die-Casting) | 550 employees |
| Aluminum chloride manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Aluminum coating of metal products for the trade | 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | 600 employees |
| Aluminum compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Aluminum die-casting foundries | 331523 Nonferrous Metal Die-Casting Foundries | 700 employees |
| Aluminum die-castings, unfinished, manufacturing | 331523 Nonferrous Metal Die-Casting Foundries | 700 employees |
| Aluminum door and window, residential-type, installation | 238350 Finish Carpentry Contractors | $19 million in average annual receipts |
| Aluminum extrusion ingot (i.e., billet), secondary | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum flakes made from purchased aluminum | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum foil made by flat rolling purchased aluminum | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum foil made in integrated secondary smelting and flat rolling mills | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum forgings made from purchased metals, unfinished | 332112 Nonferrous Forging | 950 employees |
| Aluminum foundries (except die-casting) | 331524 Aluminum Foundries (except Die-Casting) | 550 employees |
| Aluminum freezer foil not made in rolling mills | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Aluminum hydroxide (i.e., alumina trihydrate) manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Aluminum ingot and other primary aluminum production shapes made from bauxite or alumina | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminum ingot made from purchased aluminum | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum ingot, secondary smelting of aluminum and manufacturing | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum ingot, secondary, manufacturing | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum ladders manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Aluminum oxide (fused) abrasives manufacturing | 327910 Abrasive Product Manufacturing | 900 employees |
| Aluminum oxide refining | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminum pipe made by extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum pipe made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum plant construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Aluminum plate made by continuous casting purchased aluminum | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum plate made by flat rolling purchased aluminum | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum plate made in integrated secondary smelting and continuous casting mills | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum plate made in integrated secondary smelting and flat rolling mills | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum producing from alumina | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminum recovering from scrap and making ingot and billet (except by rolling) | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum rod made by extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum rod made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum shapes (e.g., bar, ingot, rod, sheet) made by producing primary aluminum and manufacturing | 331313 Alumina Refining and Primary Aluminum Production | 1,300 employees |
| Aluminum sheet made by flat rolling purchased aluminum | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum sheet made in integrated secondary smelting and flat rolling mills | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum siding installation | 238170 Siding Contractors | $19 million in average annual receipts |
| Aluminum smelting, secondary, and making ingot and billet (except by rolling) | 331314 Secondary Smelting and Alloying of Aluminum | 750 employees |
| Aluminum sulfate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Aluminum tube blooms made by extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum tube blooms made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum tube made by drawing or extruding purchased aluminum | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum tube made in integrated secondary smelting and drawing plants | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum tube made in integrated secondary smelting and extruding mills | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Aluminum welded tube made by flat rolling purchased aluminum | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Aluminum welded tube made in integrated secondary smelting and flat rolling mills | 331315 Aluminum Sheet, Plate, and Foil Manufacturing | 1,400 employees |
| Alumni associations | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Alumni clubs | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Alums (e.g., aluminum ammonium sulfate, aluminum potassium sulfate) manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Alunite mining and/or beneficiating | 212393 Other Chemical and Fertilizer Mineral Mining | 500 employees |
| AM radio stations | 515112 Radio Stations | $41.5 million in average annual receipts |
| Amalgamators (i.e., metallurgical and mining machinery) manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Amalgams, dental, manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Amaranth farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Amateur sports teams, recreational | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Amatols manufacturing | 325920 Explosives Manufacturing | 750 employees |
| Amblygonite mining and/or beneficiating | 212393 Other Chemical and Fertilizer Mineral Mining | 500 employees |
| Ambulance and fire service combined | 922160 Fire Protection | — |
| Ambulance bodies manufacturing | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Ambulance merchant wholesalers | 423110 Automobile and Other Motor Vehicle Merchant Wholesalers | 250 employees |
| Ambulance services, air or ground | 621910 Ambulance Services | $22.5 million in average annual receipts |
| Ambulances assembling on purchased chassis | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Ambulatory surgical centers and clinics, freestanding | 621493 Freestanding Ambulatory Surgical and Emergency Centers | $19 million in average annual receipts |
| American Indian or Alaska Native tribal councils | 921150 American Indian and Alaska Native Tribal Governments | — |
| American Indian or Alaska Native tribal courts | 921150 American Indian and Alaska Native Tribal Governments | — |
| American Indian or Alaska Native, tribal chief's or chairman's office | 921150 American Indian and Alaska Native Tribal Governments | — |
| Amethyst mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Amino acid analyzers, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Amino resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Amino-aldehyde resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Aminoanthraquinone manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Aminoazobenzene manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Aminoazotoluene manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Aminophenol manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Ammonia (except fertilizer material) merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Ammonia, anhydrous and aqueous, manufacturing | 325311 Nitrogenous Fertilizer Manufacturing | 1,050 employees |
| Ammonia, fertilizer material, merchant wholesalers | 424910 Farm Supplies Merchant Wholesalers | 200 employees |
| Ammonia, household-type, manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Ammonium chloride manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammonium compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammonium hydroxide manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammonium molybdate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammonium nitrate manufacturing | 325311 Nitrogenous Fertilizer Manufacturing | 1,050 employees |
| Ammonium perchlorate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammonium phosphates manufacturing | 325312 Phosphatic Fertilizer Manufacturing | 1,350 employees |
| Ammonium plant construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Ammonium sulfate manufacturing | 325311 Nitrogenous Fertilizer Manufacturing | 1,050 employees |
| Ammonium thiosulfate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Ammunition (except sporting) merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Ammunition (i.e., more than 30 mm., more than 1.18 inch) manufacturing | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Ammunition boxes, light gauge metal, manufacturing | 332439 Other Metal Container Manufacturing | 600 employees |
| Ammunition boxes, wood, manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Ammunition carts (i.e., more than 30 mm., more than 1.18 inch) manufacturing | 332995 Other Ordnance and Accessories Manufacturing | — |
| Ammunition carts manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Ammunition loading and assembling plants | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Ammunition, small arms (i.e., 30 mm. or less, 1.18 inch or less), manufacturing | 332992 Small Arms Ammunition Manufacturing | 1,300 employees |
| Ammunition, sporting, merchant wholesalers | 423910 Sporting and Recreational Goods and Supplies Merchant Wholesalers | 100 employees |
| Ampere-hour meters manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Amphetamines, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Amplifiers (e.g., auto, home, musical instrument, public address) manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Amplifiers, (e.g., RF power and IF), broadcast and studio equipment, manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Amplifiers, magnetic, pulse, and maser, manufacturing | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | 600 employees |
| Amusement arcades | 713120 Amusement Arcades | $9 million in average annual receipts |
| Amusement device (except gambling) concession operators (i.e., supplying and servicing in others' facilities) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Amusement device (except gambling) parlors, coin-operated | 713120 Amusement Arcades | $9 million in average annual receipts |
| Amusement devices (except gambling) operated in own facilities | 713120 Amusement Arcades | $9 million in average annual receipts |
| Amusement facility construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Amusement machines, coin-operated, manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Amusement park equipment merchant wholesalers | 423850 Service Establishment Equipment and Supplies Merchant Wholesalers | 125 employees |
| Amusement parks (e.g., theme, water) | 713110 Amusement and Theme Parks | $47 million in average annual receipts |
| Amusement ride concession operators (i.e., supplying and servicing in others' facilities) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Amyl acetate manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Analgesic preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Analog computers manufacturing | 334111 Electronic Computer Manufacturing | 1,250 employees |
| Analytical instruments (e.g., chromatographic, photometers, spectrographs) merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Analyzers for testing electrical characteristics manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Analyzers, industrial process control type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Anchored earth retention contractors | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Anchovy fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Andalusite mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Andirons manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Anesthesia apparatus manufacturing | 339112 Surgical and Medical Instrument Manufacturing | 1,000 employees |
| Anesthesiologists' offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Anesthetic preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Anesthetics, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Angiourographic diagnostic preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Angle irons, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Angle rings (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Angle valves, industrial-type, manufacturing | 332911 Industrial Valve Manufacturing | 750 employees |
| Angle-of-attack instrumentation manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Angle-of-yaw instrumentation manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Angora goat farming | 112420 Goat Farming | $2.5 million in average annual receipts |
| Anhydrous ammonia manufacturing | 325311 Nitrogenous Fertilizer Manufacturing | 1,050 employees |
| Anhydrous butterfat manufacturing | 311512 Creamery Butter Manufacturing | 750 employees |
| Anidex fibers and filaments manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Aniline manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
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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