NAICS Codes by Business Activity: C (Chinaware to Concrete)
Activities 823–1,644 of 2,464
| Business activity | NAICS code | Size standard |
|---|---|---|
| Chinaware, commercial, merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Chinaware, household-type, merchant wholesalers | 423220 Home Furnishing Merchant Wholesalers | 100 employees |
| Chinchilla production | 112930 Fur-Bearing Animal and Rabbit Production | $3.8 million in average annual receipts |
| Chinese foods canning | 311422 Specialty Canning | 1,400 employees |
| Chinese noodles, fried, manufacturing | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Chinese pea farming, bedding plant and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Chintzes weaving | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Chip placement machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Chipboard (i.e., paperboard) stock manufacturing | 322130 Paperboard Mills | 1,250 employees |
| Chipboard (I.e., particle core, wood chip face), manufacturing | 321219 Reconstituted Wood Product Manufacturing | 750 employees |
| Chipboard, laminated or surface coated, made from purchased paperboard | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Chipper mills (except portable) | 321113 Sawmills | 550 employees |
| Chippers (i.e., shredders), lawn and garden-type, manufacturing | 333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing | 1,500 employees |
| Chippers, portable, commercial (e.g., brush, limb, log), manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Chippers, stationary (e.g., log), manufacturing | 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing | 550 employees |
| Chips (e.g., corn, potato) merchant wholesalers | 424450 Confectionery Merchant Wholesalers | 225 employees |
| Chiropractors' offices (e.g., centers, clinics) | 621310 Offices of Chiropractors | $9 million in average annual receipts |
| Chisels manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Chissels, handheld power-driven, manufacturing | 333991 Power-Driven Handtool Manufacturing | 950 employees |
| Chive farming, field, bedding plant and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Chloral manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Chlordane insecticides manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Chloride of lime manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chlorinated rubber, synthetic, manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Chlorine compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chlorine dioxide manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chlorine manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chloroacetic acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Chlorobenzene manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Chlorodifluoromethane manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Chlorofluorocarbon gases manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Chloroform manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Chloronaphthalene manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Chlorophenol manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Chloropicrin manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Chloroprene rubber manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Chlorosulfonated polyethylenes manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Chlorosulfonic acid manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chlorotoluene manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Chocolate (coating, instant, liquor, syrups) made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Chocolate (e.g., coatings, instant, liquor, syrups) made from cacao beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Chocolate (except candy) merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Chocolate bars made from cocoa beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Chocolate candy merchant wholesalers | 424450 Confectionery Merchant Wholesalers | 225 employees |
| Chocolate coatings and syrups made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Chocolate covered candy bars made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Chocolate covered granola bars made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Chocolate drink (milk based) manufacturing | 311511 Fluid Milk Manufacturing | 1,150 employees |
| Chocolate milk manufacturing | 311511 Fluid Milk Manufacturing | 1,150 employees |
| Chocolate processing machinery manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Chocolate, confectionery, made from cacao beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Choirs | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Chokes for electronic circuitry manufacturing | 334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing | 550 employees |
| Cholera serums manufacturing | 325414 Biological Product (except Diagnostic) Manufacturing | 1,250 employees |
| Cholinesterse inhibitors used as insecticides manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Chop suey, frozen, manufacturing | 311412 Frozen Specialty Food Manufacturing | 1,250 employees |
| Chopping and silo filling | 115113 Crop Harvesting, Primarily by Machine | $13.5 million in average annual receipts |
| Choreographers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Chow mein, frozen, manufacturing | 311412 Frozen Specialty Food Manufacturing | 1,250 employees |
| Chowders, fish and seafood, canning | 311711 Seafood Canning | — |
| Chowders, frozen fish and seafood, manufacturing | 311712 Fresh and Frozen Seafood Processing | — |
| Chowders, seafood, manufacturing | 311710 Seafood Product Preparation and Packaging | 750 employees |
| Christian Science practitioners' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Christmas ornaments merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Christmas stores | 453220 Gift, Novelty, and Souvenir Stores | $12 million in average annual receipts |
| Christmas tree assemblies, oil and gas field-type, manufacturing | 333132 Oil and Gas Field Machinery and Equipment Manufacturing | 1,250 employees |
| Christmas tree growing | 111421 Nursery and Tree Production | $3.3 million in average annual receipts |
| Christmas tree lighting sets, electric, manufacturing | 335129 Other Lighting Equipment Manufacturing | 500 employees |
| Christmas tree ornaments (except electric, glass) manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Christmas tree ornaments made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Christmas tree ornaments, glass, made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Christmas trees (e.g., artificial, cut) merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Christmas trees, artificial, manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Christmas trees, cut, direct selling | 454390 Other Direct Selling Establishments | $13 million in average annual receipts |
| Chromatographic instruments, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Chromatographs, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Chrome pigments (e.g., chrome green, chrome orange, chrome yellow) manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Chrome plating metals and metal products for the trade | 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring | 500 employees |
| Chromic acid manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chromite mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Chromium compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chromium concentrates beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Chromium ore mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Chromium oxide manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chromium refining, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Chromium salts manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Chronic disease hospitals | 622310 Specialty (except Psychiatric and Substance Abuse) Hospitals | $47 million in average annual receipts |
| Chronographs manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Chronometers manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Chronoscopes manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Chucking machines, automatic, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Chucks (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Chukar partridge production | 112390 Other Poultry Production | $3.8 million in average annual receipts |
| Church bell and tower clock installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Church furniture (except concrete, stone) manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Church supplies (except plated ware, silverware) merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Churches | 813110 Religious Organizations | $13 million in average annual receipts |
| Chutes, fabricated metal plate work, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Cider presses manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Cider vinegar manufacturing | 311941 Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing | 850 employees |
| Cider, alcoholic, manufacturing | 312130 Wineries | 1,000 employees |
| Cider, nonalcoholic, manufacturing | 311941 Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing | 850 employees |
| Cigar and cigarette holders, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Cigar boxes, wood and part wood, manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Cigar cases (except metal) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Cigar cases, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Cigar manufacturing | 312230 Tobacco Manufacturing | 1,500 employees |
| Cigar stores | 453991 Tobacco Stores | $8 million in average annual receipts |
| Cigarette cases (except metal) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Cigarette cases, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Cigarette holders manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Cigarette lighter flints manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Cigarette lighters (except precious metal) manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Cigarette lighters merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Cigarette making machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Cigarette paper made from purchased paper | 322299 All Other Converted Paper Product Manufacturing | 500 employees |
| Cigarette paper made in paper mills | 322121 Paper (except Newsprint) Mills | 1,250 employees |
| Cigarette paper, book, made from purchased paper | 322299 All Other Converted Paper Product Manufacturing | 500 employees |
| Cigarette stands, permanent | 453991 Tobacco Stores | $8 million in average annual receipts |
| Cigarette stands, temporary | 454390 Other Direct Selling Establishments | $13 million in average annual receipts |
| Cigarette tow, cellulosic fiber, manufacturing | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Cigarette vending machines manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Cigarettes manufacturing | 312230 Tobacco Manufacturing | 1,500 employees |
| Cigarettes merchant wholesalers | 424940 Tobacco Product and Electronic Cigarette Merchant Wholesalers | 250 employees |
| Cigars merchant wholesalers | 424940 Tobacco Product and Electronic Cigarette Merchant Wholesalers | 250 employees |
| Cinchona and derivatives (i.e., basic chemicals) manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Cinder (clinker) block, concrete, manufacturing | 327331 Concrete Block and Brick Manufacturing | 500 employees |
| Cinder block installation | 238140 Masonry Contractors | $19 million in average annual receipts |
| Cinema construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Cinemas | 512131 Motion Picture Theaters (except Drive-Ins) | $47 million in average annual receipts |
| Cinematographers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Cinnabar mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Circuit board making machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Circuit boards merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Circuit boards, printed, bare, manufacturing | 334412 Bare Printed Circuit Board Manufacturing | 750 employees |
| Circuit breakers merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Circuit breakers, air, manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Circuit breakers, power, manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Circuit courts | 922110 Courts | — |
| Circuit testers manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Circuits, integrated, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Circular (i.e., weft) fabrics knitting | 313240 Knit Fabric Mills | 500 employees |
| Circular direct distribution services | 541870 Advertising Material Distribution Services | $28.5 million in average annual receipts |
| Circular knitting machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Circular saws, handheld power-driven, manufacturing | 333991 Power-Driven Handtool Manufacturing | 950 employees |
| Circular saws, woodworking-type, stationary, manufacturing | 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing | 550 employees |
| Circulating libraries | 519120 Libraries and Archives | $18.5 million in average annual receipts |
| Circus companies | 711190 Other Performing Arts Companies | $34 million in average annual receipts |
| Circuses | 711190 Other Performing Arts Companies | $34 million in average annual receipts |
| Citizens band (CB) radios manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Citral manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Citrates, not specified elsewhere by process, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Citric acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Citronella oil manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Citronellal manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Citrus grove cultivation services | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Citrus groves (except orange) | 111320 Citrus (except Orange) Groves | $4.3 million in average annual receipts |
| Citrus pulp, cattle feed, manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Citrus pulp, frozen, manufacturing | 311411 Frozen Fruit, Juice, and Vegetable Manufacturing | 1,100 employees |
| City and town councils | 921120 Legislative Bodies | — |
| City and town managers' offices | 921110 Executive Offices | — |
| City bus services (except mixed mode) | 485113 Bus and Other Motor Vehicle Transit Systems | $32.5 million in average annual receipts |
| City or county courts | 922110 Courts | — |
| City planning services | 541320 Landscape Architectural Services | $9 million in average annual receipts |
| Civic associations | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Civic center construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Civil engineering services | 541330 Engineering Services | $25.5 million in average annual receipts |
| Civil liberties organizations | 813311 Human Rights Organizations | $34 million in average annual receipts |
| Civil rights commissions | 921190 Other General Government Support | — |
| Civil service commissions | 921190 Other General Government Support | — |
| Claims adjusting, insurance | 524291 Claims Adjusting | $25 million in average annual receipts |
| Claims processing services, insurance, third-party | 524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds | $45.5 million in average annual receipts |
| Clam digging | 114112 Shellfish Fishing | $14 million in average annual receipts |
| Clam production, farm raising | 112512 Shellfish Farming | $3.8 million in average annual receipts |
| Clamps (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Clamps, surgical, manufacturing | 339112 Surgical and Medical Instrument Manufacturing | 1,000 employees |
| Clarinets and parts manufacturing | 339992 Musical Instrument Manufacturing | 1,000 employees |
| Clasps, shoe (leather), manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Classic car clubs | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Classical dance companies | 711120 Dance Companies | $18 million in average annual receipts |
| Classical musical artists, independent | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Classical musical groups | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Clay (except kaolin, ball) mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Clay and ceramic statuary manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Clay bleaching | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Clay construction materials (except refractory) merchant wholesalers | 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers | 150 employees |
| Clay refractories (e.g., mortar, brick, tile, block) manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Clay, ball, mining and/or beneficiating | 212324 Kaolin and Ball Clay Mining | 750 employees |
| Clay, ceramic and refractory minerals, mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Clay, fire, mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Clay, modeling, manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Clay, natural, mining and/or beneficiating | 212324 Kaolin and Ball Clay Mining | 750 employees |
| Clayworking and tempering machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Clean room apparel supply services | 812332 Industrial Launderers | $47 million in average annual receipts |
| Clean room construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Clean room suits and accessories manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Cleaners, drycleaning and laundry service (except coin-operated) | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Cleaners, household-type electric vacuum, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Cleaning (e.g., power sweeping, washing) driveways and parking lots | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Cleaning and descaling metals and metal products for the trade | 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring | 500 employees |
| Cleaning and dyeing plants (except rug cleaning plants) | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Cleaning and polishing rice | 311212 Rice Milling | 750 employees |
| Cleaning building exteriors (except sand blasting, window cleaning) | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Cleaning building interiors during and immediately after construction | 238990 All Other Specialty Trade Contractors | $19 million in average annual receipts |
| Cleaning carpets | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Cleaning compounds and preparations merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Cleaning equipment, ultrasonic (except dental, medical), manufacturing | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | 600 employees |
| Cleaning homes | 561720 Janitorial Services | $22 million in average annual receipts |
| Cleaning machinery, mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Cleaning new building interiors immediately after construction | 238990 All Other Specialty Trade Contractors | $19 million in average annual receipts |
| Cleaning offices | 561720 Janitorial Services | $22 million in average annual receipts |
| Cleaning oil and gas field lease tanks on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Cleaning out (e.g., bailing out, steam cleaning, swabbing) wells on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Cleaning plants, anthracite coal | 212113 Anthracite Mining | 250 employees |
| Cleaning plants, bituminous coal | 212111 Bituminous Coal and Lignite Surface Mining | 1,250 employees |
| Cleaning plants, carpet and rug | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Cleaning poultry houses | 115210 Support Activities for Animal Production | $11 million in average annual receipts |
| Cleaning rugs | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Cleaning services, carpet and rug | 561740 Carpet and Upholstery Cleaning Services | $8.5 million in average annual receipts |
| Cleaning shopping centers | 561720 Janitorial Services | $22 million in average annual receipts |
| Cleaning swimming pools | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Cleaning wells on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Cleaning, repairing, and dismantling oil and gas field lease tanks on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Clear and finger joint wood moldings manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Clearinghouses, bank or check | 522320 Financial Transactions Processing, Reserve, and Clearinghouse Activities | $47 million in average annual receipts |
| Clearinghouses, commodity exchange or securities exchange | 523999 Miscellaneous Financial Investment Activities | $47 million in average annual receipts |
| Cleated athletic shoes manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Cleavers manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Clerical vestments cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clerical vestments cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Clerical vestments made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Clerical vestments, men's and boys, cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clerical vestments, women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Climbing shoes, plastics or plastics soled fabric upper, manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Climbing shoes, rubber or rubber soled fabric upper, manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Clinic construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Clinical pathologists' offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Clinical pharmacists' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Clinical psychologists' offices (e.g., centers, clinics) | 621330 Offices of Mental Health Practitioners (except Physicians) | $9 million in average annual receipts |
| Clinics/centers of health practitioners from more than one industry practicing within the same establishment | 621498 All Other Outpatient Care Centers | $25.5 million in average annual receipts |
| Clinics/centers of health practitioners with multi-industry degrees | 621498 All Other Outpatient Care Centers | $25.5 million in average annual receipts |
| Clipboards, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Clippers for animal use, nonelectric, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Clippers, fingernail and toenail, manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Clipping services, news | 519190 All Other Information Services | $30 million in average annual receipts |
| Clips, gun (i.e., more than 30 mm., more than 1.18 inch), manufacturing | 332995 Other Ordnance and Accessories Manufacturing | — |
| Clips, gun, manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Clock materials and parts (except crystals) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Clock or watch springs, precision, made from purchased wire | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Clock radios manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Clock repair shops without retailing new clocks | 811490 Other Personal and Household Goods Repair and Maintenance | $9 million in average annual receipts |
| Clock shops | 448310 Jewelry Stores | $18 million in average annual receipts |
| Clocks assembling | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Clocks assembling from purchased components | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Clocks merchant wholesalers | 423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers | 125 employees |
| Cloning research and experimental development laboratories | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | 1,000 employees |
| Closed captioning services, real-time (i.e., simultaneous) | 561492 Court Reporting and Stenotype Services | $19 million in average annual receipts |
| Closed captioning services, taped material | 512191 Teleproduction and Other Postproduction Services | $39 million in average annual receipts |
| Closed circuit television (CCTV) services | 517311 Wired Telecommunications Carriers | 1,500 employees |
| Closed circuit television equipment manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Closed-end investment funds | 525990 Other Financial Vehicles | $40 million in average annual receipts |
| Closet organizer stores | 453998 All Other Miscellaneous Store Retailers (except Tobacco Stores) | $10 million in average annual receipts |
| Closet organizer system installation | 238390 Other Building Finishing Contractors | $19 million in average annual receipts |
| Closures, metal, stamping | 332119 Metal Crown, Closure, and Other Metal Stamping (except Automotive) | 500 employees |
| Closures, paper and disposable plastics, merchant wholesalers | 424130 Industrial and Personal Service Paper Merchant Wholesalers | 150 employees |
| Cloth (e.g., aluminum oxide, garnet, emery, silicon carbide) coated manufacturing | 327910 Abrasive Product Manufacturing | 900 employees |
| Cloth cutting, bolting, or winding for the trade | 561990 All Other Support Services | $16.5 million in average annual receipts |
| Cloth spreading machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Cloth winding reels, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Cloth, woven wire, made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Clothes dryer controls, including dryness controls, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Clothes dryer, household-type, repair and maintenance services without retailing new clothes dryers | 811412 Appliance Repair and Maintenance | $19 million in average annual receipts |
| Clothes dryer, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Clothes dryers (clothes horses), wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Clothes hangers merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Clothes hangers, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Clothes poles, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Clothespins, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Clothespins, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Clothing accessories stores | 448150 Clothing Accessories Stores | $29.5 million in average annual receipts |
| Clothing accessories, women's, children's, and infants', merchant wholesalers | 424330 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers | 100 employees |
| Clothing design services | 541490 Other Specialized Design Services | $13.5 million in average annual receipts |
| Clothing rental (except industrial launderer, linen supply) | 532281 Formal Wear and Costume Rental | $25 million in average annual receipts |
| Clothing repair shops, alterations only | 811490 Other Personal and Household Goods Repair and Maintenance | $9 million in average annual receipts |
| Clothing stores, children's and infants' | 448130 Children's and Infants' Clothing Stores | $35 million in average annual receipts |
| Clothing stores, family | 448140 Family Clothing Stores | $41.5 million in average annual receipts |
| Clothing stores, men's and boys' | 448110 Men's Clothing Stores | $22.5 million in average annual receipts |
| Clothing stores, used | 453310 Used Merchandise Stores | $12.5 million in average annual receipts |
| Clothing stores, women's and girls' | 448120 Women's Clothing Stores | $30 million in average annual receipts |
| Clothing, doll, manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Clothing, fur (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Clothing, fur, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clothing, fur, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clothing, fur, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Clothing, leather or sheep-lined (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Clothing, leather or sheep-lined, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clothing, leather or sheep-lined, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clothing, leather or sheep-lined, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Clothing, men's and boys', merchant wholesalers | 424320 Men's and Boys' Clothing and Furnishings Merchant Wholesalers | 150 employees |
| Clothing, water resistant, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clothing, water resistant, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Clothing, water resistant, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clothing, 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 |
| Clothing, water resistant, not specified elsewhere, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315228 Men's and Boys' Cut and Sew Other Outerwear Manufacturing | — |
| Clothing, water resistant, not specified elsewhere, 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 | — |
| Clothing, water resistant, women's, girls' and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Clothing, 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 |
| Clothing, water-repellent, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clothing, water-repellent, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Clothing, water-repellent, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clothing, 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 |
| Clothing, water-repellent, not specified elsewhere, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315228 Men's and Boys' Cut and Sew Other Outerwear Manufacturing | — |
| Clothing, water-repellent, not specified elsewhere, 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 | — |
| Clothing, water-repellent, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Clothing, 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 |
| Clothing, waterproof, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Clothing, waterproof, cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Clothing, waterproof, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Clothing, waterproof, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Clothing, women's, children's, and infants', merchant wholesalers | 424330 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers | 100 employees |
| Cloths (except chemically treated), dusting and polishing, manufacturing | 339994 Broom, Brush, and Mop Manufacturing | 750 employees |
| Cloths, dusting and polishing, chemically treated, manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Clove oil manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Clover hay farming | 111940 Hay Farming | $2.5 million in average annual receipts |
| Clover seed farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Clubs, residential | 721310 Rooming and Boarding Houses, Dormitories, and Workers' Camps | $14 million in average annual receipts |
| Clubs, sporting goods (e.g., golf, Indian), manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Clutches and clutch discs, asbestos, manufacturing | 336350 Motor Vehicle Transmission and Power Train Parts Manufacturing | 1,500 employees |
| CMOs (collateralized mortgage obligations) | 525990 Other Financial Vehicles | $40 million in average annual receipts |
| Co-generation plant construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Coagulation in-vitro diagnostic substances manufacturing | 325413 In-Vitro Diagnostic Substance Manufacturing | 1,250 employees |
| Coagulation in-vivo diagnostic substances manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Coal and ore conveyors manufacturing | 333922 Conveyor and Conveying Equipment Manufacturing | 500 employees |
| Coal beneficiating plants, anthracite | 212113 Anthracite Mining | 250 employees |
| Coal beneficiating plants, bituminous or lignite (surface or underground) | 212111 Bituminous Coal and Lignite Surface Mining | 1,250 employees |
| Coal breakers, cutters, and pulverizers manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Coal chutes, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Coal dealers, direct selling | 454310 Fuel Dealers | 100 employees |
| Coal gasification at mine site | 211120 Crude Petroleum Extraction | 1,250 employees |
| Coal hauling, truck, local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Coal liquefaction at mine site | 211120 Crude Petroleum Extraction | 1,250 employees |
| Coal merchant wholesalers | 423520 Coal and Other Mineral and Ore Merchant Wholesalers | 200 employees |
| Coal mining services (except site preparation and related construction contractor activities) | 213113 Support Activities for Coal Mining | $27.5 million in average annual receipts |
| Coal mining support services (tunneling, blasting, training, overburden removal)(except site preparation and related construction contractor activities) | 213113 Support Activities for Coal Mining | $27.5 million in average annual receipts |
| Coal pipeline transportation | 486990 All Other Pipeline Transportation | $46 million in average annual receipts |
| Coal pyrolysis | 211120 Crude Petroleum Extraction | 1,250 employees |
| Coal tar distillates manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Coal tar paving materials made from purchased coal tar | 324121 Asphalt Paving Mixture and Block Manufacturing | 500 employees |
| Coal tar products, primary and intermediate, merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Coal tar resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Coal, anthracite, mining and/or beneficiating | 212113 Anthracite Mining | 250 employees |
| Coal, bituminous, beneficiating | 212111 Bituminous Coal and Lignite Surface Mining | 1,250 employees |
| Coal, bituminous, underground mining or mining and beneficiating | 212112 Bituminous Coal Underground Mining | 1,500 employees |
| Coal, brown, mining and/or beneficiating | 212111 Bituminous Coal and Lignite Surface Mining | 1,250 employees |
| Coast Guard (except academy) | 926120 Regulation and Administration of Transportation Programs | — |
| Coastal freight transportation to and from domestic ports | 483113 Coastal and Great Lakes Freight Transportation | 800 employees |
| Coastal passenger transportation to and from domestic ports | 483114 Coastal and Great Lakes Passenger Transportation | 550 employees |
| Coastal shipping of freight to and from domestic ports | 483113 Coastal and Great Lakes Freight Transportation | 800 employees |
| Coat (e.g., barber's, beautician's, doctor's, nurse's) supply services | 812331 Linen Supply | $40 million in average annual receipts |
| Coat hangers made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Coat linings, fur (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coat linings, fur, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Coat linings, fur, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coat linings, fur, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coat stores | 448190 Other Clothing Stores | $27.5 million in average annual receipts |
| Coat trimmings fabric cut and sewn from purchased fabric (except apparel contractors) | 315990 Apparel Accessories and Other Apparel Manufacturing | 600 employees |
| Coat trimmings, fabric, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Coat trimmings, fabric, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coat trimmings, fabric, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coated board made from purchased paperboard | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Coated board made in paperboard mills | 322130 Paperboard Mills | 1,250 employees |
| Coating compounds, tar, made from purchased asphaltic materials | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Coating concrete structures with plastics | 238390 Other Building Finishing Contractors | $19 million in average annual receipts |
| Coating metals and metal products for the trade | 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | 600 employees |
| Coating of metal and metal products with plastics for the trade | 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | 600 employees |
| Coating purchased light bulbs | 335110 Electric Lamp Bulb and Part Manufacturing | 1,250 employees |
| Coating purchased papers for nonpackaging applications (except photosensitive paper) | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Coating purchased papers for packaging applications | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Coatings, chocolate, made from cacao beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Coats (e.g., tailored, fur, artificial leather, leather, sheep-lined), cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Coats (except fur, leather, tailored, waterproof), 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 | — |
| Coats (except fur, leather, tailored, waterproof, work), men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315228 Men's and Boys' Cut and Sew Other Outerwear Manufacturing | — |
| Coats (except fur, leather, waterproof), 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 |
| Coats (except fur, leather, waterproof), 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 |
| Coats (including tailored), leather or sheep-lined (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats (including tailored, leather, or sheep-lined), women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, artificial leather, cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, artificial leather, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, artificial leather, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, fur (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, fur, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, fur, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, infants' (except waterproof), cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Coats, leather (except apparel contractors), manufacturing | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, leather, (except apparel contractors) | 315292 Fur and Leather Apparel Manufacturing | — |
| Coats, leather, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, leather, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, nontailored service apparel (e.g., laboratory, mechanics', medical), men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, nontailored service apparel (e.g., laboratory, mechanics', medical), 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 |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), 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 |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), 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 | — |
| Coats, tailored (except fur, leather), 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 |
| Coats, tailored (except fur, leather), women's and girls', cut and sewn from purchased fabric | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, tailored (except fur, leather), women's, misses', and girls', cut and sewn from purchased fabric | 315234 Women's and Girls' Cut and Sew Suit, Coat, Tailored Jacket, and Skirt Manufacturing | — |
| Coats, waterproof (e.g., plastics, rubberized fabric, similar materials) rubberizing fabric and manufacturing coats | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, waterproof (i.e., plastic, rubberized fabric, similar materials), men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Coats, waterproof (i.e., plastics, rubberized fabric, similar materials), cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Coats, waterproof (i.e., plastics, rubberized fabric, similar materials), women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coats, waterproof, (e.g., plastics, rubberized fabric, similar materials) cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Coats, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Coaxial cable made in aluminum wire drawing plants | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Coaxial cable merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Coaxial cable, copper, made from purchased copper in wire drawing plants | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Coaxial cable, nonferrous metals (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 |
| Coaxial cable, nonferrous, made from purchased nonferrous wire | 335929 Other Communication and Energy Wire Manufacturing | 1,000 employees |
| Coaxial connectors manufacturing | 334417 Electronic Connector Manufacturing | 1,000 employees |
| Coaxial mechanical face seals manufacturing | 339991 Gasket, Packing, and Sealing Device Manufacturing | 600 employees |
| Cobalt 60 (i.e., radioactive cobalt) manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Cobalt chloride manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Cobalt compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Cobalt concentrates beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Cobalt ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Cobalt refining, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Cobalt sulfate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Cocaine and derivatives (i.e., basic chemicals) manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Cocks, drain, plumbing, manufacturing | 332913 Plumbing Fixture Fitting and Trim Manufacturing | 1,000 employees |
| Cocktail lounges | 722410 Drinking Places (Alcoholic Beverages) | $9 million in average annual receipts |
| Cocktail mixes, dry, manufacturing | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Cocktails, alcoholic, premixed, merchant wholesalers | 424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers | 250 employees |
| Cocoa (e.g., instant, mix, mixed with other ingredients, powder drink, powdered) made from cacao beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Cocoa beans merchant wholesalers | 424590 Other Farm Product Raw Material Merchant Wholesalers | 175 employees |
| Cocoa butter made from cocoa beans | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Cocoa, powdered drink, prepared, made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Cocoa, powdered, made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Cocoa, powdered, mixed with other ingredients, made from purchased chocolate | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Coconut oil made from purchased oils | 311225 Fats and Oils Refining and Blending | 1,100 employees |
| Coconut oil made in crushing mills | 311224 Soybean and Other Oilseed Processing | 1,250 employees |
| Coconut tree farming | 111339 Other Noncitrus Fruit Farming | $3.5 million in average annual receipts |
| Coconut, desiccated and shredded, manufacturing | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Cod catching | 114111 Finfish Fishing | $25 million in average annual receipts |
| Cod fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Cod liver oil extraction, crude, processing | 311710 Seafood Product Preparation and Packaging | 750 employees |
| Cod liver oil extraction, crude, produced in a cannery | 311711 Seafood Canning | — |
| Cod liver oil extraction, crude, produced in a fresh and frozen seafood plant | 311712 Fresh and Frozen Seafood Processing | — |
| Cod liver oil, medicinal, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Codeine and derivatives (i.e., basic chemicals) manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Coding, dating, and imprinting packaging machinery manufacturing | 333993 Packaging Machinery Manufacturing | 600 employees |
| Coffee and tea (i.e., packaged) stores | 445299 All Other Specialty Food Stores | $9 million in average annual receipts |
| Coffee carts, mobile | 722330 Mobile Food Services | $9 million in average annual receipts |
| Coffee concentrates (i.e., instant coffee) manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee extracts manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee farming | 111339 Other Noncitrus Fruit Farming | $3.5 million in average annual receipts |
| Coffee filters made from purchased paper | 322299 All Other Converted Paper Product Manufacturing | 500 employees |
| Coffee flavoring and syrups (i.e., made from coffee) manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee makers and urns, commercial-type, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Coffee makers, household-type electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Coffee merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Coffee roasting | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee roasting and grinding machinery (i.e., food manufacturing-type) manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Coffee shops, on premise brewing | 722515 Snack and Nonalcoholic Beverage Bars | $22.5 million in average annual receipts |
| Coffee substitute manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee tables, wood, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Coffee, blended, manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee, iced, manufacturing | 312111 Soft Drink Manufacturing | 1,400 employees |
| Coffee, instant and freeze dried, manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Coffee-break service providers, direct selling | 454390 Other Direct Selling Establishments | $13 million in average annual receipts |
| Cofferdam construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Cog railway, scenic and sightseeing, operation | 487110 Scenic and Sightseeing Transportation, Land | $20.5 million in average annual receipts |
| Cognitive research and development services | 541720 Research and Development in the Social Sciences and Humanities | $28 million in average annual receipts |
| Coil rewinding (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 |
| Coil winding and cutting machinery, metalworking, manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Coiled springs (except clock, watch), light gauge, made from purchased wire or strip, manufacturing | 332613 Spring Manufacturing | 600 employees |
| Coiled springs, heavy gauge metal, manufacturing | 332613 Spring Manufacturing | 600 employees |
| Coils for motors and generators manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Coils, ignition, internal combustion engines, manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Coils, pipe, made from purchased metal pipe | 332996 Fabricated Pipe and Pipe Fitting Manufacturing | 550 employees |
| Coin counting machinery manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Coin pick-up services, parking meter | 561990 All Other Support Services | $16.5 million in average annual receipts |
| Coin purses (except metal) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Coin purses, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Coin sorting machines merchant wholesalers | 423420 Office Equipment Merchant Wholesalers | 200 employees |
| Coin wrapping machines manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Coin-operated amusement machines (except jukebox) manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Coin-operated drycleaners and laundries | 812310 Coin-Operated Laundries and Drycleaners | $13 million in average annual receipts |
| Coin-operated gambling device concession operators (i.e., supplying and servicing in others' facilities) | 713290 Other Gambling Industries | $40 million in average annual receipts |
| Coin-operated gambling devices manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Coin-operated game machines merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Coin-operated jukebox manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Coin-operated laundry and drycleaning routes (i.e., concession operators) | 812310 Coin-Operated Laundries and Drycleaners | $13 million in average annual receipts |
| Coin-operated merchandising machine merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Coin-operated nongambling amusement device concession operators (i.e., supplying and servicing in others' facilities) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Coin-operated personal service machine (e.g., blood pressure, locker, photographic, scale, shoeshine) concession operators | 812990 All Other Personal Services | $15 million in average annual receipts |
| Coin-operated phonographs and vending machines merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Coin-operated vending machines manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Coins merchant wholesalers | 423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers | 125 employees |
| Coke merchant wholesalers | 423520 Coal and Other Mineral and Ore Merchant Wholesalers | 200 employees |
| Coke oven gas, production and distribution | 221210 Natural Gas Distribution | 1,150 employees |
| Coke oven products (e.g., coke, gases, tars) made in coke oven establishments | 324199 All Other Petroleum and Coal Products Manufacturing | 950 employees |
| Coke oven products made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Coke, petroleum, made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Cold cathode fluorescent lamp tubes manufacturing | 335110 Electric Lamp Bulb and Part Manufacturing | 1,250 employees |
| Cold forgings made from purchased iron or steel, unfinished | 332111 Iron and Steel Forging | 750 employees |
| Cold forgings made from purchased nonferrous metals, unfinished | 332112 Nonferrous Forging | 950 employees |
| Cold remedies manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Cold rolling mill machinery, metalworking, manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Cold rolling steel shapes (e.g., bar, plate, rod, sheet, strip) made from purchased steel | 331221 Rolled Steel Shape Manufacturing | 1,000 employees |
| Cold storage locker services | 493120 Refrigerated Warehousing and Storage | $36.5 million in average annual receipts |
| Cold storage machinery merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Cold storage plant construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Cold storage warehousing | 493120 Refrigerated Warehousing and Storage | $36.5 million in average annual receipts |
| Cold treating metals for the trade | 332811 Metal Heat Treating | 750 employees |
| Cole slaw, fresh, manufacturing | 311991 Perishable Prepared Food Manufacturing | 700 employees |
| Colemanite mining and/or beneficiating | 212391 Potash, Soda, and Borate Mineral Mining | 750 employees |
| Collagen sausage casings made from purchased hides | 311612 Meat Processed from Carcasses | 1,000 employees |
| Collapsible tubes (e.g., toothpaste, glue), light gauge metal, manufacturing | 332439 Other Metal Container Manufacturing | 600 employees |
| Collar and cuff sets cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Collar and cuff sets made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Collar and cuff sets, 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 |
| Collar and cuff sets, women's, girls' and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Collar and cuff sets, 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 | — |
| Collar leather, manufacturing | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Collard farming, field, bedding plant and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Collars (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Collars and collar pads (i.e., harness) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Collars, dog, manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Collars, shaft for power transmission equipment, manufacturing | 333613 Mechanical Power Transmission Equipment Manufacturing | 750 employees |
| Collateralized mortgage obligations (CMOs) | 525990 Other Financial Vehicles | $40 million in average annual receipts |
| Collating machinery for printing and bookbinding manufacturing | 333244 Printing Machinery and Equipment Manufacturing | 750 employees |
| Collating machinery, office-type, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Collectible gift shops (e.g., crystal, pewter, porcelain) | 453220 Gift, Novelty, and Souvenir Stores | $12 million in average annual receipts |
| Collecting and distributing agents, laundry and drycleaning | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Collection agencies | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Collection agencies, accounts | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Collection, treatment, and disposal of waste through a sewer system | 221320 Sewage Treatment Facilities | $35 million in average annual receipts |
| Collector rings for motors and generators manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Collector's items shops (e.g., autograph, card, coin, stamp) | 453998 All Other Miscellaneous Store Retailers (except Tobacco Stores) | $10 million in average annual receipts |
| Collector's items, mail-order houses | 454110 Electronic Shopping and Mail-Order Houses | $41.5 million in average annual receipts |
| College board preparation centers | 611691 Exam Preparation and Tutoring | $12.5 million in average annual receipts |
| College entrance exam preparation instruction | 611691 Exam Preparation and Tutoring | $12.5 million in average annual receipts |
| College selection services | 611710 Educational Support Services | $24 million in average annual receipts |
| Colleges (except junior colleges) | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Colleges, barber and beauty | 611511 Cosmetology and Barber Schools | $13 million in average annual receipts |
| Colleges, community | 611210 Junior Colleges | $32.5 million in average annual receipts |
| Colleges, junior | 611210 Junior Colleges | $32.5 million in average annual receipts |
| Colleges, universities, and professional schools | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Collets (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Colognes manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Colognes merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Colonscopes, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Color consulting services (i.e., personal care services) | 812199 Other Personal Care Services | $9 million in average annual receipts |
| Color pigments, inorganic (except bone black, carbon black, lamp black), manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Color pigments, organic (except animal black, bone black), manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Color separation services, for the printing trade | 323120 Support Activities for Printing | 550 employees |
| Colorimeters, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Coloring books merchant wholesalers | 423920 Toy and Hobby Goods and Supplies Merchant Wholesalers | 175 employees |
| Coloring leather | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Coloring metals and metal products (except coating) for the trade | 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring | 500 employees |
| Colostomy appliances manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Columbariums | 812220 Cemeteries and Crematories | $25 million in average annual receipts |
| Columbite mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Columbium ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Columns, architectural or ornamental plaster work, manufacturing | 327420 Gypsum Product Manufacturing | 1,500 employees |
| Columns, fractionating, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Columns, porch, wood, manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Comb cases (except metal) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Comb cases, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Combination limit and fan controls manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Combination livestock farming (except dairy, poultry) | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Combination oil and hydronic controls manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Combines (i.e., harvester-threshers) manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Combing and converting top | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Combing machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Combing textile fibers | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Combining, agricultural | 115113 Crop Harvesting, Primarily by Machine | $13.5 million in average annual receipts |
| Combs, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Combs, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Combs, rubber, manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Combustion control instruments (except commercial, household furnace-type) manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Combustion engineering consulting services | 541330 Engineering Services | $25.5 million in average annual receipts |
| Combustors, hazardous waste | 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Combustors, nonhazardous solid waste | 562213 Solid Waste Combustors and Incinerators | $47 million in average annual receipts |
| Comedians, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Comedy troupes | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Comfort station operation | 812990 All Other Personal Services | $15 million in average annual receipts |
| Comforters made from purchased fabrics | 314120 Curtain and Linen Mills | 750 employees |
| Comic book publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Comic book publishers and printing combined (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Comic book publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Comic books commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Comic books flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Comic books lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Comic books printing (except flexographic, gravure, lithographic, screen) without publishing | 323119 Other Commercial Printing | — |
| Comic books screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Commercial and industrial machinery 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 |
| Commercial art services | 541430 Graphic Design Services | $9 million in average annual receipts |
| Commercial artists, independent | 541430 Graphic Design Services | $9 million in average annual receipts |
| Commercial bakeries | 311812 Commercial Bakeries | 1,000 employees |
| Commercial banking | 522110 Commercial Banking | $850 million in assets |
| Commercial banks | 522110 Commercial Banking | $850 million in assets |
| Commercial building construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Commercial building construction for-sale builders | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Commercial building construction general contractors | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Commercial building rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Commercial credit reporting bureaus | 561450 Credit Bureaus | $41 million in average annual receipts |
| Commercial digital printing | 323115 Digital Printing | — |
| Commercial digital printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial engraving printing | 323119 Other Commercial Printing | — |
| Commercial engraving printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial fishing equipment and supplies (except boats, ships) | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Commercial flexographic printing | 323112 Commercial Flexographic Printing | — |
| Commercial flexographic printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial freezer installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Commercial gravure printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial illustration services | 541430 Graphic Design Services | $9 million in average annual receipts |
| Commercial illustrators, independent | 541430 Graphic Design Services | $9 million in average annual receipts |
| Commercial kitchen food preparation equipment (e.g., mixers, ovens, stoves) installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Commercial letterpress printing | 323119 Other Commercial Printing | — |
| Commercial letterpress printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial lighting fixtures, electric, manufacturing | 335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing | 500 employees |
| Commercial lithographic (offset) printing | 323110 Commercial Lithographic Printing | — |
| Commercial lithographic (offset) printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial note brokers' offices | 523120 Securities Brokerage | $41.5 million in average annual receipts |
| Commercial paper dealing (i.e., acting as a principal in dealing securities to investors) | 523110 Investment Banking and Securities Dealing | $41.5 million in average annual receipts |
| Commercial photography services | 541922 Commercial Photography | $9 million in average annual receipts |
| Commercial printing (except flexographic, digital, gravure, lithographic, quick, screen) | 323119 Other Commercial Printing | — |
| Commercial printing (except screen, books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial property managing | 531312 Nonresidential Property Managers | $19.5 million in average annual receipts |
| Commercial quick printing | 323114 Quick Printing | — |
| Commercial quick printing (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Commercial real estate agencies | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Commercial real estate agents' offices | 531210 Offices of Real Estate Agents and Brokers | $15 million in average annual receipts |
| Commercial real estate property managers' offices | 531312 Nonresidential Property Managers | $19.5 million in average annual receipts |
| Commercial refrigeration 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 |
| Commercial refrigeration system installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Commercial screen printing | 323113 Commercial Screen Printing | 500 employees |
| Commercial stationery supplies merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Commercial timing mechanisms manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Commercial-type door installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Commercials, television, production | 512110 Motion Picture and Video Production | $40 million in average annual receipts |
| Commissaries, primarily groceries | 445110 Supermarkets and Other Grocery Retailers (except Convenience Retailers) | $40 million in average annual receipts |
| Commodity contract trading companies | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity contracts brokerages | 523140 Commodity Contracts Brokerage | $41.5 million in average annual receipts |
| Commodity contracts brokers' offices | 523140 Commodity Contracts Brokerage | $41.5 million in average annual receipts |
| Commodity contracts dealing (i.e., acting as a principal in dealing commodities to investors) | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity contracts exchanges | 523210 Securities and Commodity Exchanges | $47 million in average annual receipts |
| Commodity contracts floor brokers | 523140 Commodity Contracts Brokerage | $41.5 million in average annual receipts |
| Commodity contracts floor traders (i.e., acting as a principal in dealing commodities to investors) | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity contracts floor trading (i.e., acting as a principal in dealing commodities to investors) | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity contracts options brokerages | 523140 Commodity Contracts Brokerage | $41.5 million in average annual receipts |
| Commodity contracts options dealing (i.e., acting as a principal in dealing commodities to investors) | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity contracts traders (i.e., acting as a principal in dealing commodities to investors) | 523130 Commodity Contracts Dealing | $41.5 million in average annual receipts |
| Commodity Credit Corporation | 522298 All Other Nondepository Credit Intermediation | $41.5 million in average annual receipts |
| Commodity futures brokerages | 523140 Commodity Contracts Brokerage | $41.5 million in average annual receipts |
| Commodity inspection services | 541990 All Other Professional, Scientific, and Technical Services | $19.5 million in average annual receipts |
| Common clay mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Common sand quarrying and/or beneficiating | 212321 Construction Sand and Gravel Mining | 500 employees |
| Common shale mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Communicable disease program administration | 923120 Administration of Public Health Programs | — |
| Communication antenna construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Communication design services, visual | 541430 Graphic Design Services | $9 million in average annual receipts |
| Communication equipment installation | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Communication equipment repair and maintenance services | 811213 Communication Equipment Repair and Maintenance | $19.5 million in average annual receipts |
| Communication tower construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Communications commissions | 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities | — |
| Communications equipment merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Communications equipment, mobile and microwave, manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Communications headgear, telephone, manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Communications licensing commissions and agencies | 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities | — |
| Communications signal testing equipment | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Communications wire and cable, nonferrous, made from purchased nonferrous wire | 335929 Other Communication and Energy Wire Manufacturing | 1,000 employees |
| Communications wire or cable made in aluminum wire drawing plants | 331318 Other Aluminum Rolling, Drawing, and Extruding | 750 employees |
| Communications wire or cable, copper, made from purchased copper in wire drawing plants | 331420 Copper Rolling, Drawing, Extruding, and Alloying | 1,050 employees |
| Communications wire or cable, nonferrous metals (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 |
| Communion wafer manufacturing | 311812 Commercial Bakeries | 1,000 employees |
| Community action advocacy organizations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Community action service agencies | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Community centers (except recreational only), adult | 624120 Services for the Elderly and Persons with Disabilities | $15 million in average annual receipts |
| Community centers (except recreational only), youth | 624110 Child and Youth Services | $15.5 million in average annual receipts |
| Community chests | 813219 Other Grantmaking and Giving Services | $47 million in average annual receipts |
| Community colleges | 611210 Junior Colleges | $32.5 million in average annual receipts |
| Community colleges offering a wide variety of academic and technical training | 611210 Junior Colleges | $32.5 million in average annual receipts |
| Community development agencies, government | 925120 Administration of Urban Planning and Community and Rural Development | — |
| Community foundations | 813211 Grantmaking Foundations | $40 million in average annual receipts |
| Community health centers and clinics, outpatient | 621498 All Other Outpatient Care Centers | $25.5 million in average annual receipts |
| Community health programs administration | 923120 Administration of Public Health Programs | — |
| Community meals, social services | 624210 Community Food Services | $19.5 million in average annual receipts |
| Community museums | 712110 Museums | $34 million in average annual receipts |
| Community recreation programs, government | 924120 Administration of Conservation Programs | — |
| Community social service program administration | 923130 Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Programs) | — |
| Community theaters | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Commutators, electric motor, manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Commuter air carriers, scheduled | 481111 Scheduled Passenger Air Transportation | 1,500 employees |
| Commuter bus operation (except mixed mode) | 485113 Bus and Other Motor Vehicle Transit Systems | $32.5 million in average annual receipts |
| Commuter rail systems (except mixed mode) | 485112 Commuter Rail Systems | $47 million in average annual receipts |
| Commuter transit systems, mixed mode (e.g., bus, commuter rail, subway combination) | 485111 Mixed Mode Transit Systems | $29 million in average annual receipts |
| Compact disc players (e.g., automotive, household-type) manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Compact discs (CDs), prerecorded, merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Compact discs (i.e., CD-ROM), software, mass reproducing | 334614 Software and Other Prerecorded Compact Disc, Tape, and Record Reproducing | 1,250 employees |
| Compact discs, prerecorded audio, mass reproducing | 334614 Software and Other Prerecorded Compact Disc, Tape, and Record Reproducing | 1,250 employees |
| Compact discs, recordable or rewritable, blank, manufacturing | 334613 Blank Magnetic and Optical Recording Media Manufacturing | 1,000 employees |
| Compact fluorescent light bulbs manufacturing | 335110 Electric Lamp Bulb and Part Manufacturing | 1,250 employees |
| Compacts, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Compacts, solid leather, manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Companion animals production (e.g., cats, dogs, parakeets, parrots) | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Companion services 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 |
| Comparators, optical, manufacturing | 333314 Optical Instrument and Lens Manufacturing | 500 employees |
| Compasses, gyroscopic and magnetic (except portable), manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Compasses, portable magnetic-type, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Compensation consulting services | 541612 Human Resources Consulting Services | $29 million in average annual receipts |
| Compensation planning services | 541612 Human Resources Consulting Services | $29 million in average annual receipts |
| Compensation, workers, insurance funds | 525190 Other Insurance Funds | $40 million in average annual receipts |
| Complete feed, livestock, manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Composers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Composite cans (i.e., foil-fiber and other combinations) manufacturing | 322219 Other Paperboard Container Manufacturing | 1,000 employees |
| Compost dumps | 562219 Other Nonhazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Compost manufacturing | 325314 Fertilizer (Mixing Only) Manufacturing | 550 employees |
| Compressed and liquefied industrial gas manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Compressed gas cylinder valves manufacturing | 332911 Industrial Valve Manufacturing | 750 employees |
| Compressed gases (except LP gas) merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Compression modified wood manufacturing | 321219 Reconstituted Wood Product Manufacturing | 750 employees |
| Compression molding machinery for plastics manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Compression packings manufacturing | 339991 Gasket, Packing, and Sealing Device Manufacturing | 600 employees |
| Compressor, air and gas, rental or leasing | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Compressor, metering and pumping station, gas and oil pipeline, construction | 237120 Oil and Gas Pipeline and Related Structures Construction | $45 million in average annual receipts |
| Compressors (except air-conditioning, refrigeration) merchant wholesalers | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Compressors, air and gas, general purpose-type, manufacturing | 333912 Air and Gas Compressor Manufacturing | 1,000 employees |
| Compressors, air-conditioning, merchant wholesalers | 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 175 employees |
| Compressors, motor vehicle air-conditioning, manufacturing | 336390 Other Motor Vehicle Parts Manufacturing | 1,000 employees |
| Compressors, refrigeration, merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Computer and network cable installation | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Computer and related hardware research and development laboratories or services | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 1,000 employees |
| Computer boards, loaded, merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Computer boards, unloaded, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Computer cable sets (e.g., monitor, printer) manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Computer chips merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Computer data storage services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Computer disaster recovery services | 541519 Other Computer Related Services | $34 million in average annual receipts |
| Computer enthusiasts clubs | 813410 Civic and Social Organizations | $9.5 million in average annual receipts |
| Computer equipment repair and maintenance services without retailing new computers | 811212 Computer and Office Machine Repair and Maintenance | $30 million in average annual receipts |
| Computer equipment stores | 443142 Electronics Stores | $35 million in average annual receipts |
| Computer flooring installation | 238330 Flooring Contractors | $19 million in average annual receipts |
| Computer forms (manifold or continuous) printing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Computer furniture, metal household-type, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Computer furniture, wood household-type, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Computer hardware consulting services or consultants | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer input preparation services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Computer input/output equipment (except terminals) manufacturing | 334119 Other Computer Peripheral Equipment Manufacturing | — |
| Computer input/output equipment manufacturing | 334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing | 1,000 employees |
| Computer operator training | 611420 Computer Training | $16 million in average annual receipts |
| Computer paper supplies merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Computer paper, single layered continuous, die-cut, made from purchased paper | 322230 Stationery Product Manufacturing | 750 employees |
| Computer peripheral equipment merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Computer peripheral equipment rental or leasing | 532420 Office Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Computer peripheral equipment repair and maintenance, without retailing new computer peripheral equipment | 811212 Computer and Office Machine Repair and Maintenance | $30 million in average annual receipts |
| Computer printer toner cartridges manufacturing | 325992 Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing | 1,500 employees |
| Computer printers merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Computer program or software development, custom | 541511 Custom Computer Programming Services | $34 million in average annual receipts |
| Computer programming schools | 611420 Computer Training | $16 million in average annual receipts |
| Computer programming services, custom | 541511 Custom Computer Programming Services | $34 million in average annual receipts |
| Computer rental or leasing | 532420 Office Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Computer repair and maintenance services, without retailing new computers | 811212 Computer and Office Machine Repair and Maintenance | $30 million in average annual receipts |
| Computer repair training | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Computer servers manufacturing | 334111 Electronic Computer Manufacturing | 1,250 employees |
| Computer software analysis and design services, custom | 541511 Custom Computer Programming Services | $34 million in average annual receipts |
| Computer software consulting services or consultants | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer software programming services, custom | 541511 Custom Computer Programming Services | $34 million in average annual receipts |
| Computer software publishers, packaged | 511210 Software Publishers | $41.5 million in average annual receipts |
| Computer software publishing and reproduction | 511210 Software Publishers | $41.5 million in average annual receipts |
| Computer software support services, custom | 541511 Custom Computer Programming Services | $34 million in average annual receipts |
| Computer software tapes and disks, blank, rigid and floppy, manufacturing | 334613 Blank Magnetic and Optical Recording Media Manufacturing | 1,000 employees |
| Computer software training | 611420 Computer Training | $16 million in average annual receipts |
| Computer software, mail-order houses | 454110 Electronic Shopping and Mail-Order Houses | $41.5 million in average annual receipts |
| Computer software, packaged, merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Computer stores | 443142 Electronics Stores | $35 million in average annual receipts |
| Computer systems facilities (i.e., clients' facilities) management and operation services | 541513 Computer Facilities Management Services | $37 million in average annual receipts |
| Computer systems integration analysis and design services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer systems integration design consulting services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer systems integrator services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer terminals manufacturing | 334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing | 1,000 employees |
| Computer time leasing | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Computer time rental | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Computer time sharing services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Computer tomography (CT-SCAN) centers | 621512 Diagnostic Imaging Centers | $19 million in average annual receipts |
| Computer training (except repair) | 611420 Computer Training | $16 million in average annual receipts |
| Computer video game rental | 532282 Video Tape and Disc Rental | $35 million in average annual receipts |
| Computer-aided design (CAD) systems integration design services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer-aided engineering (CAE) systems integration design services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computer-aided manufacturing (CAM) systems integration design services | 541512 Computer Systems Design Services | $34 million in average annual receipts |
| Computerized axial tomography (CT/CAT) scanners manufacturing | 334517 Irradiation Apparatus Manufacturing | 1,200 employees |
| Computerized environmental control systems for buildings manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Computers manufacturing | 334111 Electronic Computer Manufacturing | 1,250 employees |
| Computers merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Concentrated medicinal chemicals, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Concentrates, drink (except frozen fruit juice), manufacturing | 311930 Flavoring Syrup and Concentrate Manufacturing | 1,100 employees |
| Concentrates, flavoring (except coffee based), manufacturing | 311930 Flavoring Syrup and Concentrate Manufacturing | 1,100 employees |
| Concentrates, frozen fruit juice, manufacturing | 311411 Frozen Fruit, Juice, and Vegetable Manufacturing | 1,100 employees |
| Concentrates, metallic, merchant wholesalers | 423520 Coal and Other Mineral and Ore Merchant Wholesalers | 200 employees |
| Concentration machinery, mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Concert artists, independent | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Concert booking agencies | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Concert hall operators | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Concert hall, no promotion of events, rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Concert managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Concert managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Concert organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Concert organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Concert promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Concert promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Concession operators, amusement device (except gambling) and ride | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Concierge services | 812990 All Other Personal Services | $15 million in average annual receipts |
| Conciliation and mediation services, government | 926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors | — |
| Concrete additive preparations (e.g., curing, hardening) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Concrete additives merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Concrete batch plants (including temporary) | 327320 Ready-Mix Concrete Manufacturing | 500 employees |
| Concrete block laying | 238140 Masonry Contractors | $19 million in average annual receipts |
| Concrete breaking and cutting for demolition | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Concrete building products merchant wholesalers | 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers | 150 employees |
| Concrete coating, glazing or sealing | 238390 Other Building Finishing Contractors | $19 million in average annual receipts |
| Concrete finishing | 238110 Poured Concrete Foundation and Structure Contractors | $19 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
On GovTribe
Find federal contracts by NAICS code
- Federal contract opportunities under any NAICS code
- Contract awards and spending by code
- The contractors and agencies behind each code
- Ask GovTribe AI about a code