NAICS Codes by Business Activity: N

398 business activities

Business activity NAICS code Size standard
N-methylpiperazine manufacturing325411 Medicinal and Botanical Manufacturing1,000 employees
N-type rubber manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Nail guns, handheld power-driven, manufacturing333991 Power-Driven Handtool Manufacturing950 employees
Nail heading machines manufacturing333517 Machine Tool Manufacturing500 employees
Nail polish remover manufacturing325620 Toilet Preparation Manufacturing1,250 employees
Nail polishes manufacturing325620 Toilet Preparation Manufacturing1,250 employees
Nail salons812113 Nail Salons$9 million in average annual receipts
Nailers and staplers, handheld power-driven, manufacturing333991 Power-Driven Handtool Manufacturing950 employees
Nails merchant wholesalers423510 Metal Service Centers and Other Metal Merchant Wholesalers200 employees
Nails, aluminum, made in wire drawing plants331318 Other Aluminum Rolling, Drawing, and Extruding750 employees
Nails, brads, and staples made from purchased wire332618 Other Fabricated Wire Product Manufacturing500 employees
Nails, iron or steel, made in wire drawing plants331222 Steel Wire Drawing1,000 employees
Nails, nonferrous metals (except aluminum, copper), made from purchased nonferrous metals (except aluminum, copper) in wire drawing plants331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Name plate blanks, metal, manufacturing332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Nanobiotechnologies research and experimental development laboratories541713 Research and Development in Nanotechnology1,000 employees
Napalm manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Naphtha made by distillation of coal tar325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphtha made in petroleum refineries324110 Petroleum Refineries1,500 employees
Naphtha, solvent, made by distillation of coal tar325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphthalene made from refined petroleum or natural gas325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphthalenesulfonic acid manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphthenic acid soaps manufacturing325199 All Other Basic Organic Chemical Manufacturing1,250 employees
Naphthenic acids made from refined petroleum or natural gas325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphthenic acids made in petroleum refineries324110 Petroleum Refineries1,500 employees
Naphthol, alpha and beta, manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Naphtholsulfonic acids manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Napkins (except paper) merchant wholesalers423220 Home Furnishing Merchant Wholesalers100 employees
Napkins made from purchased fabrics314120 Curtain and Linen Mills750 employees
Napkins, paper, merchant wholesalers424130 Industrial and Personal Service Paper Merchant Wholesalers150 employees
Napkins, table, made from purchased paper322291 Sanitary Paper Product Manufacturing1,500 employees
Napkins, table, made in paper mills322121 Paper (except Newsprint) Mills1,250 employees
Napping broadwoven fabrics313311 Broadwoven Fabric Finishing MillsRetired code (NAICS 2007)—
Napping machinery for textiles manufacturing333249 Other Industrial Machinery Manufacturing500 employees
Napping textile products and fabrics313310 Textile and Fabric Finishing Mills1,000 employees
Napping textile products and fabrics (except broadwoven fabrics)313312 Textile and Fabric Finishing (except Broadwoven Fabric) MillsRetired code (NAICS 2007)—
Narrow fabrics weaving313220 Narrow Fabric Mills and Schiffli Machine Embroidery550 employees
National Aeronautics and Space Administration927110 Space Research and Technology—
National commercial banks522110 Commercial Banking$850 million in assets
National Credit Union Administration (NCUA)522298 All Other Nondepository Credit Intermediation$41.5 million in average annual receipts
National Guard928110 National Security—
National parks712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
National Transportation Safety Board926120 Regulation and Administration of Transportation Programs—
Nationality specialty foods canning311422 Specialty Canning1,400 employees
Nationality specialty foods, frozen, manufacturing311412 Frozen Specialty Food Manufacturing1,250 employees
Native asphalt mining and/or beneficiating212399 All Other Nonmetallic Mineral Mining500 employees
Natural (i.e., calcined earth) cement manufacturing327310 Cement Manufacturing1,000 employees
Natural abrasives (e.g., emery, grindstones, hones, pumice) (except sand) mining and/or beneficiating212399 All Other Nonmetallic Mineral Mining500 employees
Natural fiber (i.e., hemp, linen, ramie) thread manufacturing313110 Fiber, Yarn, and Thread Mills1,250 employees
Natural fiber fabrics (i.e., jute, linen, hemp, ramie), broadwoven, weaving313210 Broadwoven Fabric Mills1,000 employees
Natural fiber fabrics (i.e., jute, linen, hemp, ramie), narrow woven, weaving313220 Narrow Fabric Mills and Schiffli Machine Embroidery550 employees
Natural fiber spun yarns (i.e., hemp, jute, ramie, flax) made from purchased fiber313110 Fiber, Yarn, and Thread Mills1,250 employees
Natural gas brokers221210 Natural Gas Distribution1,150 employees
Natural gas distribution systems221210 Natural Gas Distribution1,150 employees
Natural gas engines manufacturing333618 Other Engine Equipment Manufacturing1,500 employees
Natural gas liquids (e.g., ethane, isobutane, natural gasoline, propane) recovered from oil and gas field gases211130 Natural Gas Extraction1,250 employees
Natural gas liquids pipeline transportation486910 Pipeline Transportation of Refined Petroleum Products1,500 employees
Natural gas marketers221210 Natural Gas Distribution1,150 employees
Natural gas pipeline construction237120 Oil and Gas Pipeline and Related Structures Construction$45 million in average annual receipts
Natural gas pipeline transportation486210 Pipeline Transportation of Natural Gas$41.5 million in average annual receipts
Natural gas piping installation238220 Plumbing, Heating, and Air-Conditioning Contractors$19 million in average annual receipts
Natural gas processing plant construction237120 Oil and Gas Pipeline and Related Structures Construction$45 million in average annual receipts
Natural gas production211130 Natural Gas Extraction1,250 employees
Natural gas transmission (i.e., processing plants to local distribution systems)486210 Pipeline Transportation of Natural Gas$41.5 million in average annual receipts
Natural gas, offshore production211130 Natural Gas Extraction1,250 employees
Natural gasoline recovered from oil and gas field gases211130 Natural Gas Extraction1,250 employees
Natural history museums712110 Museums$34 million in average annual receipts
Natural nonfood coloring, manufacturing325199 All Other Basic Organic Chemical Manufacturing1,250 employees
Natural resource preservation organizations813312 Environment, Conservation and Wildlife Organizations$19.5 million in average annual receipts
Natural science museums712110 Museums$34 million in average annual receipts
Natural wonder tourist attractions (e.g., caverns, waterfalls)712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Naturally carbonated water, purifying and bottling312112 Bottled Water Manufacturing1,100 employees
Nature centers712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Nature parks712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Nature preserves712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Nature reserves712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Naturopaths' offices (e.g., centers, clinics)621399 Offices of All Other Miscellaneous Health Practitioners$10 million in average annual receipts
Nautical systems and instruments manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Naval artillery manufacturing332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing1,000 employees
Naval ship building336611 Ship Building and Repairing1,300 employees
Naval stores, gum or wood, manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Navigational instruments (e.g., radar, sonar) repair and maintenance services811219 Other Electronic and Precision Equipment Repair and Maintenance$22 million in average annual receipts
Navigational instruments (except electronic) merchant wholesalers423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers175 employees
Navigational instruments manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Navigational instruments, electronic (e.g., radar, sonar), merchant wholesalers423690 Other Electronic Parts and Equipment Merchant Wholesalers250 employees
Navy928110 National Security—
Near beer brewing312120 Breweries1,250 employees
Neatsfoot oil rendering311613 Rendering and Meat Byproduct Processing750 employees
Neckpieces, fur (except apparel contractors), manufacturing315280 Other Cut and Sew Apparel Manufacturing750 employees
Neckpieces, fur, cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Neckpieces, fur, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Neckpieces, fur, women's, girls', and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Neckties cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Neckties cut and sewn from purchased fabric (except apparel contractors)315990 Apparel Accessories and Other Apparel Manufacturing600 employees
Neckties made in apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Neckties, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Neckties, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315993 Men's and Boys' Neckwear ManufacturingRetired code (NAICS 2007)—
Neckties, men's and boys', merchant wholesalers424320 Men's and Boys' Clothing and Furnishings Merchant Wholesalers150 employees
Neckties, women's and girls', cut and sewn from purchased fabric (except apparel contractors)315999 Other Apparel Accessories and Other Apparel ManufacturingRetired code (NAICS 2007)—
Neckties, women's, girls', and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Neckwear cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Neckwear cut and sewn from purchased fabric (except apparel contractors)315990 Apparel Accessories and Other Apparel Manufacturing600 employees
Neckwear made in a apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Neckwear stores448150 Clothing Accessories Stores$29.5 million in average annual receipts
Neckwear, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Neckwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315993 Men's and Boys' Neckwear ManufacturingRetired code (NAICS 2007)—
Neckwear, women's, girls' and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nectarine farming111339 Other Noncitrus Fruit Farming$3.5 million in average annual receipts
Needle roller bearings manufacturing332991 Ball and Roller Bearing Manufacturing1,250 employees
Needlecraft sewing supply stores451130 Sewing, Needlework, and Piece Goods Stores$30 million in average annual receipts
Needles (except hypodermic, phonograph, styli) manufacturing339993 Fastener, Button, Needle, and Pin Manufacturing750 employees
Needles for knitting machinery manufacturing333249 Other Industrial Machinery Manufacturing500 employees
Needles, hypodermic and suture, manufacturing339112 Surgical and Medical Instrument Manufacturing1,000 employees
Needles, phonograph and styli, manufacturing334419 Other Electronic Component Manufacturing750 employees
Needles, sewing, merchant wholesalers424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers100 employees
Needlework art contractors on apparel314999 All Other Miscellaneous Textile Product Mills550 employees
Negligees cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Negligees made in apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Negligees, women's and girls', cut and sewn from purchased fabric (except apparel contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Negligees, women's, cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Negligees, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors)315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear ManufacturingRetired code (NAICS 2007)—
Neighborhood development advocacy organizations813319 Other Social Advocacy Organizations$18 million in average annual receipts
Neon manufacturing325120 Industrial Gas Manufacturing1,200 employees
Neon signs manufacturing339950 Sign Manufacturing500 employees
Neoprene manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Nepheline syenite mining and/or beneficiating212325 Clay and Ceramic and Refractory Minerals Mining500 employees
Nephelometers (except meteorological) manufacturing334516 Analytical Laboratory Instrument Manufacturing1,000 employees
Nephoscopes manufacturing334519 Other Measuring and Controlling Device Manufacturing600 employees
Net and lace making machinery manufacturing333249 Other Industrial Machinery Manufacturing500 employees
Net goods merchant wholesalers424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers100 employees
Nets and nettings, more than 12 inches in width, weaving313210 Broadwoven Fabric Mills1,000 employees
Netting made in warp knitting mills313249 Other Knit Fabric and Lace MillsRetired code (NAICS 2007)—
Netting made in warp or weft knitting mills313240 Knit Fabric Mills500 employees
Netting made in weft knitting mills313241 Weft Knit Fabric MillsRetired code (NAICS 2007)—
Netting made on a lace or net machine313240 Knit Fabric Mills500 employees
Netting, plastics, manufacturing326199 All Other Plastics Product Manufacturing750 employees
Netting, woven, made from purchased wire332618 Other Fabricated Wire Product Manufacturing500 employees
Network broadcasting service, radio515111 Radio Networks$41.5 million in average annual receipts
Network radio broadcasting515111 Radio Networks$41.5 million in average annual receipts
Network systems integration design services, computer541512 Computer Systems Design Services$34 million in average annual receipts
Network television broadcasting515120 Television Broadcasting$41.5 million in average annual receipts
Networks, cable television515210 Cable and Other Subscription Programming$41.5 million in average annual receipts
Neurological hospitals622310 Specialty (except Psychiatric and Substance Abuse) Hospitals$47 million in average annual receipts
Neurologists' offices (e.g., centers, clinics)621111 Offices of Physicians (except Mental Health Specialists)$16 million in average annual receipts
Neuropathologists' offices (e.g., centers, clinics)621111 Offices of Physicians (except Mental Health Specialists)$16 million in average annual receipts
Neutral spirit, beverages (except fruit), manufacturing312140 Distilleries1,100 employees
Neutral spirits merchant wholesalers424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers250 employees
Neutron activation analysis instruments manufacturing334516 Analytical Laboratory Instrument Manufacturing1,000 employees
New car dealers441110 New Car Dealers200 employees
New product development consulting services541613 Marketing Consulting Services$19 million in average annual receipts
Newel posts, wood, manufacturing321918 Other Millwork (including Flooring)500 employees
News clipping services519190 All Other Information Services$30 million in average annual receipts
News dealers451212 News Dealers and Newsstands$20 million in average annual receipts
News picture gathering and distributing services519110 News Syndicates$32 million in average annual receipts
News reporting services519110 News Syndicates$32 million in average annual receipts
News service syndicates519110 News Syndicates$32 million in average annual receipts
News ticker services519110 News Syndicates$32 million in average annual receipts
Newsletter publishers (except exclusive Internet publishing)511120 Periodical Publishers1,000 employees
Newsletter publishers and printing combined (except Internet)511120 Periodical Publishers1,000 employees
Newsletter publishers, exclusively on Internet519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Newsletters commercial printing (except screen) without publishing323111 Commercial Printing (except Screen and Books)650 employees
Newsletters flexographic printing without publishing323112 Commercial Flexographic PrintingRetired code (NAICS 2007)—
Newsletters lithographic (offset) printing without publishing323110 Commercial Lithographic PrintingRetired code (NAICS 2007)—
Newsletters printing (except flexographic, gravure, lithographic, quick, screen) without publishing323119 Other Commercial PrintingRetired code (NAICS 2007)—
Newsletters screen printing without publishing323113 Commercial Screen Printing500 employees
Newspaper advertising representatives (i.e., independent of media owners)541840 Media Representatives$21 million in average annual receipts
Newspaper agencies merchant wholesalers424920 Book, Periodical, and Newspaper Merchant Wholesalers200 employees
Newspaper branch offices511110 Newspaper Publishers1,000 employees
Newspaper columnists, independent (freelance)711510 Independent Artists, Writers, and Performers$9 million in average annual receipts
Newspaper feature syndicates519110 News Syndicates$32 million in average annual receipts
Newspaper inserting equipment manufacturing333244 Printing Machinery and Equipment Manufacturing750 employees
Newspaper publishers (except exclusive Internet publishing)511110 Newspaper Publishers1,000 employees
Newspaper publishers and printing combined511110 Newspaper Publishers1,000 employees
Newspaper publishing, exclusively on Internet519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Newspapers commercial printing (except screen) without publishing323111 Commercial Printing (except Screen and Books)650 employees
Newspapers flexographic printing without publishing323112 Commercial Flexographic PrintingRetired code (NAICS 2007)—
Newspapers lithographic (offset) printing without publishing323110 Commercial Lithographic PrintingRetired code (NAICS 2007)—
Newspapers merchant wholesalers424920 Book, Periodical, and Newspaper Merchant Wholesalers200 employees
Newspapers printing (except flexographic, gravure, lithographic, quick, screen) without publishing323119 Other Commercial PrintingRetired code (NAICS 2007)—
Newspapers screen printing without publishing323113 Commercial Screen Printing500 employees
Newsprint merchant wholesalers424110 Printing and Writing Paper Merchant Wholesalers225 employees
Newsprint mills322122 Newsprint Mills750 employees
Newsprint paper, manufacturing322122 Newsprint Mills750 employees
Newsstands (i.e., permanent)451212 News Dealers and Newsstands$20 million in average annual receipts
Nibs (i.e., pen points) manufacturing339940 Office Supplies (except Paper) Manufacturing750 employees
Nickel alloy die-castings, unfinished, manufacturing331523 Nonferrous Metal Die-Casting Foundries700 employees
Nickel ammonium sulfate manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nickel and nickel alloy pipe, plate, sheet, strip, and tubing made from purchased metals or scrap331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nickel cadmium storage batteries manufacturing335911 Storage Battery Manufacturing1,250 employees
Nickel carbonate manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nickel castings (except die-castings), unfinished, manufacturing331529 Other Nonferrous Metal Foundries (except Die-Casting)500 employees
Nickel compounds, not specified elsewhere by process, manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nickel concentrates recovery212230 Copper, Nickel, Lead, and Zinc Mining1,400 employees
Nickel die-castings, unfinished, manufacturing331523 Nonferrous Metal Die-Casting Foundries700 employees
Nickel foil not made in rolling mills332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Nickel ore beneficiating plants212230 Copper, Nickel, Lead, and Zinc Mining1,400 employees
Nickel ore mine site development for own account212230 Copper, Nickel, Lead, and Zinc Mining1,400 employees
Nickel ores mining and/or beneficiating212230 Copper, Nickel, Lead, and Zinc Mining1,400 employees
Nickel recovering from scrap and/or alloying purchased metals331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Nickel refining, primary331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Nickel rolling, drawing, or extruding purchased metals or scrap331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nickel sulfate manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nicotine and derivatives (i.e., basic chemicals) manufacturing325411 Medicinal and Botanical Manufacturing1,000 employees
Nicotine insecticides manufacturing325320 Pesticide and Other Agricultural Chemical Manufacturing1,150 employees
Night stands, wood, manufacturing337122 Nonupholstered Wood Household Furniture Manufacturing750 employees
Night vision optical device manufacturing333314 Optical Instrument and Lens Manufacturing500 employees
Nightclubs without alcoholic beverages713990 All Other Amusement and Recreation Industries$9 million in average annual receipts
Nightclubs, alcoholic beverage722410 Drinking Places (Alcoholic Beverages)$9 million in average annual receipts
Nightgowns cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Nightgowns made in apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Nightgowns, infants', cut and sewn from purchased fabric (except apparel contractors)315291 Infants' Cut and Sew Apparel ManufacturingRetired code (NAICS 2007)—
Nightgowns, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightgowns, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315220 Men's and Boys' Cut and Sew Apparel Manufacturing750 employees
Nightgowns, women's, girls', and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightgowns, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Nightgowns, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors)315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear ManufacturingRetired code (NAICS 2007)—
Nightshirts cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Nightshirts made in apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Nightshirts, infants', cut and sewn from purchased fabric (except apparel contractors)315291 Infants' Cut and Sew Apparel ManufacturingRetired code (NAICS 2007)—
Nightshirts, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightshirts, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315220 Men's and Boys' Cut and Sew Apparel Manufacturing750 employees
Nightshirts, women's, girls', and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightshirts, women's, girls', and infants', cut and sewn from purchased fabric (except contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Nightshirts, women's, misses', and girls', cut and sewn from purchased fabric (except contractors)315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear ManufacturingRetired code (NAICS 2007)—
Nightwear cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Nightwear made in apparel knitting mills315190 Other Apparel Knitting Mills750 employees
Nightwear, infants', cut and sewn from purchased fabric (except apparel contractors)315291 Infants' Cut and Sew Apparel ManufacturingRetired code (NAICS 2007)—
Nightwear, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315220 Men's and Boys' Cut and Sew Apparel Manufacturing750 employees
Nightwear, men's and boys', merchant wholesalers424320 Men's and Boys' Clothing and Furnishings Merchant Wholesalers150 employees
Nightwear, women's, girls', and infants', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Nightwear, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Nightwear, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors)315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear ManufacturingRetired code (NAICS 2007)—
Niobium refining, primary331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Nipples and teething rings, rubber, manufacturing326299 All Other Rubber Product Manufacturing650 employees
Nipples, metal, made from purchased pipe332996 Fabricated Pipe and Pipe Fitting Manufacturing550 employees
Nitrated hydrocarbon derivatives manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Nitric acid manufacturing325311 Nitrogenous Fertilizer Manufacturing1,050 employees
Nitrile rubber manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Nitrile-butadiene rubber manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Nitrile-chloroprene rubbers manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Nitroaniline manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Nitrobenzene manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Nitrocellulose (i.e., pyroxylin) resins manufacturing325211 Plastics Material and Resin Manufacturing1,250 employees
Nitrocellulose explosive materials manufacturing325920 Explosives Manufacturing750 employees
Nitrocellulose fibers manufacturing325220 Artificial and Synthetic Fibers and Filaments Manufacturing1,050 employees
Nitrogen manufacturing325120 Industrial Gas Manufacturing1,200 employees
Nitrogenous fertilizer materials manufacturing325311 Nitrogenous Fertilizer Manufacturing1,050 employees
Nitrogenous fertilizers made by mixing purchased materials325314 Fertilizer (Mixing Only) Manufacturing550 employees
Nitroglycerin explosive materials manufacturing325920 Explosives Manufacturing750 employees
Nitrophenol manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Nitrosated hydrocarbon derivatives manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Nitroso dyes manufacturing325130 Synthetic Dye and Pigment Manufacturing1,050 employees
Nitrostarch explosive materials manufacturing325920 Explosives Manufacturing750 employees
Nitrous ether manufacturing325199 All Other Basic Organic Chemical Manufacturing1,250 employees
Nitrous oxide manufacturing325120 Industrial Gas Manufacturing1,200 employees
NOAA (National Oceanic and Atmospheric Administration)924110 Administration of Air and Water Resource and Solid Waste Management Programs—
Noise protectors, personal, manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Non-destructive testing laboratories or services541380 Testing Laboratories and Services$19 million in average annual receipts
Nonalcoholic beer brewing312120 Breweries1,250 employees
Nonalcoholic wines manufacturing312130 Wineries1,000 employees
Nonbank holding companies (except managing)551112 Offices of Other Holding Companies$45.5 million in average annual receipts
Noncellulosic fibers and filaments manufacturing325220 Artificial and Synthetic Fibers and Filaments Manufacturing1,050 employees
Noncellulosic filament yarn manufacturing325220 Artificial and Synthetic Fibers and Filaments Manufacturing1,050 employees
Noncellulosic staple fibers and filaments manufacturing325220 Artificial and Synthetic Fibers and Filaments Manufacturing1,050 employees
Noncitrus fruit farming111339 Other Noncitrus Fruit Farming$3.5 million in average annual receipts
Nonclay refractories (e.g., block, brick, mortar, tile) manufacturing327120 Clay Building Material and Refractories Manufacturing750 employees
Nondairy creamers, dry, manufacturing311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing1,000 employees
Nondairy creamers, liquid, manufacturing311511 Fluid Milk Manufacturing1,150 employees
Nondurable goods agents and brokers, wholesale trade425120 Wholesale Trade Agents and Brokers125 employees
Nondurable goods business to business electronic markets, wholesale trade425110 Business to Business Electronic Markets125 employees
Nonene made from refined petroleum or liquid hydrocarbons325110 Petrochemical Manufacturing1,300 employees
Nonfat dry milk manufacturing311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing1,000 employees
Nonferrous (except aluminum) die-casting foundries331522 Nonferrous (except Aluminum) Die-Casting FoundriesRetired code (NAICS 2007)—
Nonferrous alloys (except aluminum, copper) made from purchased nonferrous metals331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Nonferrous alloys (except aluminum, copper) made in integrated secondary smelting and alloying plants331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Nonferrous die-casting foundries331523 Nonferrous Metal Die-Casting Foundries700 employees
Nonferrous metal (except aluminum) shapes made in primary nonferrous metal smelting and refining mills331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Nonferrous metal (except aluminum, copper) shapes made in primary nonferrous metal smelting and refining mills331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)Retired code (NAICS 2007)—
Nonferrous metal shapes (except aluminum, copper) made by rolling, drawing, or extruding purchased nonferrous metal331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonferrous metal shapes (except aluminum, copper) made in integrated secondary smelting and extruding mills331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonferrous metal shapes (except aluminum, copper) made in integrated secondary smelting and rolling mills331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonferrous metal shapes (except aluminum, copper) made in integrated secondary smelting mills and wire drawing plants331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonferrous metals (except aluminum) foundries (except die-casting)331529 Other Nonferrous Metal Foundries (except Die-Casting)500 employees
Nonferrous metals (except aluminum) made in primary nonferrous metal smelting and refining mills331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Nonferrous metals (except aluminum) smelting and refining, primary331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Nonferrous metals (except aluminum) unfinished castings (except die-castings) manufacturing331529 Other Nonferrous Metal Foundries (except Die-Casting)500 employees
Nonferrous metals (except aluminum, copper) foundries (except die-casting)331528 Other Nonferrous Foundries (except Die-Casting)Retired code (NAICS 2007)—
Nonferrous metals (except aluminum, copper) made in primary nonferrous metal smelting and refining mills331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)Retired code (NAICS 2007)—
Nonferrous metals (except aluminum, copper) secondary smelting and refining331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Nonferrous metals (except aluminum, copper) smelting and refining, primary331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)Retired code (NAICS 2007)—
Nonferrous metals (except aluminum, copper) unfinished castings (except die-castings) manufacturing331528 Other Nonferrous Foundries (except Die-Casting)Retired code (NAICS 2007)—
Nonferrous metals (except precious) merchant wholesalers423510 Metal Service Centers and Other Metal Merchant Wholesalers200 employees
Nonferrous wire (except aluminum, copper) made from purchased nonferrous metals (except aluminum, copper) in wire drawing plants331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonferrous wire (except aluminum, copper) made in integrated secondary smelting mills and wire drawing plants331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Nonfiction book binding without printing323120 Support Activities for Printing550 employees
Nonfiction book publishers (except exclusive Internet publshing)511130 Book Publishers1,000 employees
Nonfiction book publishers and printing combined511130 Book Publishers1,000 employees
Nonfiction book publishers, exclusively on Internet519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Nonfiction books printing and binding without publishing323117 Books Printing1,250 employees
Nonfiction books printing without publishing323117 Books Printing1,250 employees
Nonhazardous waste treatment and disposal facilities (except combustors, incinerators, landfills, sewer systems, sewage treatment facilities)562219 Other Nonhazardous Waste Treatment and Disposal$47 million in average annual receipts
Noninsulated wire merchant wholesalers423510 Metal Service Centers and Other Metal Merchant Wholesalers200 employees
Nonmetallic minerals (except precious and semiprecious stones and minerals used in construction, such as sand and gravel)423520 Coal and Other Mineral and Ore Merchant Wholesalers200 employees
Nonmetallic minerals mining support services (e.g., blasting, shaft sinking, tunneling) (except site preparation and related construction contractor activities)on a contract basis213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining$20.5 million in average annual receipts
Nonprescription drug preparations manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Nonprescription drugs merchant wholesalers424210 Drugs and Druggists' Sundries Merchant Wholesalers250 employees
Nonresidential building (except miniwarehouse) rental or leasing531120 Lessors of Nonresidential Buildings (except Miniwarehouses)$34 million in average annual receipts
Nonresidential property managing531312 Nonresidential Property Managers$19.5 million in average annual receipts
Nonscheduled air freight transportation481212 Nonscheduled Chartered Freight Air Transportation1,500 employees
Nonscheduled air passenger transportation481211 Nonscheduled Chartered Passenger Air Transportation1,500 employees
Nonstick metal cooking utensils332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing1,000 employees
Nonupholstered, household-type, custom wood furniture, manufacturing337122 Nonupholstered Wood Household Furniture Manufacturing750 employees
Nonwoven fabric tapes manufacturing313230 Nonwoven Fabric Mills850 employees
Nonwoven fabrics manufacturing313230 Nonwoven Fabric Mills850 employees
Nonwoven felts manufacturing313230 Nonwoven Fabric Mills850 employees
Noodle mixes made from purchased dry ingredients311999 All Other Miscellaneous Food Manufacturing700 employees
Noodle mixes made in dehydration plants311423 Dried and Dehydrated Food Manufacturing750 employees
Noodle mixes made in dry pasta plants311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour850 employees
Noodles, dry, manufacturing311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour850 employees
Noodles, fresh, manufacturing311991 Perishable Prepared Food Manufacturing700 employees
Noodles, fried, manufacturing311999 All Other Miscellaneous Food Manufacturing700 employees
Nose and ear plugs manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Notary public services541199 All Other Legal Services$20.5 million in average annual receipts
Notary publics' private practices541199 All Other Legal Services$20.5 million in average annual receipts
Notebook computers manufacturing334111 Electronic Computer Manufacturing1,250 employees
Notebooks (including mechanically bound by wire, or plastics) made from purchased paper322230 Stationery Product Manufacturing750 employees
Notebooks merchant wholesalers424120 Stationery and Office Supplies Merchant Wholesalers150 employees
Novelties and specialties, nonprecious metal and precious plated, manufacturing332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Novelties merchant wholesalers424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers100 employees
Novelties, leather (e.g., cigarette lighter covers, key fobs), manufacturing316998 All Other Leather Good and Allied Product Manufacturing500 employees
Novelties, not specified elsewhere, manufacturing339999 All Other Miscellaneous Manufacturing550 employees
Novelties, precious metal (except precious plated), manufacturing339910 Jewelry and Silverware Manufacturing700 employees
Novelties, wood fiber, manufacturing321999 All Other Miscellaneous Wood Product Manufacturing500 employees
Novelty shops453220 Gift, Novelty, and Souvenir Stores$12 million in average annual receipts
Novelty stitching contractors on apparel314999 All Other Miscellaneous Textile Product Mills550 employees
Nozzles, aerosol spray, plastics, manufacturing326199 All Other Plastics Product Manufacturing750 employees
Nozzles, fire fighting, manufacturing332919 Other Metal Valve and Pipe Fitting Manufacturing750 employees
Nozzles, lawn hose, manufacturing332919 Other Metal Valve and Pipe Fitting Manufacturing750 employees
Nuclear application valves manufacturing332911 Industrial Valve Manufacturing750 employees
Nuclear energy consulting services541690 Other Scientific and Technical Consulting Services$19 million in average annual receipts
Nuclear energy inspection and regulation offices926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities—
Nuclear fuel scrap reprocessing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nuclear fuels, inorganic, manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Nuclear instrument modules manufacturing334519 Other Measuring and Controlling Device Manufacturing600 employees
Nuclear irradiation equipment manufacturing334517 Irradiation Apparatus Manufacturing1,200 employees
Nuclear medicine (e.g., radioactive isotopes) preparations manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Nuclear power plant construction237130 Power and Communication Line and Related Structures Construction$45 million in average annual receipts
Nuclear reactor steam supply systems manufacturing332410 Power Boiler and Heat Exchanger Manufacturing750 employees
Nuclear reactors control rod drive mechanisms manufacturing332410 Power Boiler and Heat Exchanger Manufacturing750 employees
Nuclear reactors manufacturing332410 Power Boiler and Heat Exchanger Manufacturing750 employees
Nuclear shielding, fabricated metal plate work, manufacturing332313 Plate Work Manufacturing750 employees
Nuclear waste casks, heavy gauge metal, manufacturing332420 Metal Tank (Heavy Gauge) Manufacturing750 employees
Nuclear waste disposal site construction237990 Other Heavy and Civil Engineering Construction$45 million in average annual receipts
Nucleic acid chemistry research and experimental development laboratories541714 Research and Development in Biotechnology (except Nanobiotechnology)1,000 employees
Nudist camps with accommodation facilities721214 Recreational and Vacation Camps (except Campgrounds)$9 million in average annual receipts
Nudist camps without accommodations713990 All Other Amusement and Recreation Industries$9 million in average annual receipts
Numerical controls, manufacturing335314 Relay and Industrial Control Manufacturing750 employees
Numerically controlled metal cutting machine tools manufacturing333517 Machine Tool Manufacturing500 employees
Numerology services812990 All Other Personal Services$15 million in average annual receipts
Nurse associations, visiting621610 Home Health Care Services$19 million in average annual receipts
Nurse registries561311 Employment Placement Agencies$34 million in average annual receipts
Nurse's aides schools611519 Other Technical and Trade Schools$21 million in average annual receipts
Nurseries for reforestation growing trees113210 Forest Nurseries and Gathering of Forest Products$20.5 million in average annual receipts
Nursery and garden centers without tree production444220 Nursery, Garden Center, and Farm Supply Stores$19 million in average annual receipts
Nursery furniture (except upholstered), wood, manufacturing337122 Nonupholstered Wood Household Furniture Manufacturing750 employees
Nursery furniture, metal, manufacturing337124 Metal Household Furniture Manufacturing750 employees
Nursery schools624410 Child Care Services$9.5 million in average annual receipts
Nursery stock (except plant bulbs, seeds) merchant wholesalers424930 Flower, Nursery Stock, and Florists' Supplies Merchant Wholesalers100 employees
Nursery stock growing111421 Nursery and Tree Production$3.3 million in average annual receipts
Nursery with tree production (except for reforestation)111421 Nursery and Tree Production$3.3 million in average annual receipts
Nurses' associations813920 Professional Organizations$23.5 million in average annual receipts
Nurses', licensed practical or registered, offices (e.g., centers, clinics)621399 Offices of All Other Miscellaneous Health Practitioners$10 million in average annual receipts
Nursing agencies, primarily providing home nursing services621610 Home Health Care Services$19 million in average annual receipts
Nursing homes623110 Nursing Care Facilities (Skilled Nursing Facilities)$34 million in average annual receipts
Nursing schools (except academic)611519 Other Technical and Trade Schools$21 million in average annual receipts
Nut (i.e., packaged) stores445292 Confectionery and Nut Retailers$19.5 million in average annual receipts
Nut hulling and shelling115114 Postharvest Crop Activities (except Cotton Ginning)$34 million in average annual receipts
Nut rods, iron or steel, made in cold rolling mills331221 Rolled Steel Shape Manufacturing1,000 employees
Nut rods, iron or steel, made in iron and steel mills331110 Iron and Steel Mills and Ferroalloy Manufacturing1,500 employees
Nut shellers, farm-type, manufacturing333111 Farm Machinery and Equipment Manufacturing1,250 employees
Nutrition (i.e., food supplement) stores446191 Food (Health) Supplement Stores$20 million in average annual receipts
Nutritionists' offices (e.g., centers, clinics)621399 Offices of All Other Miscellaneous Health Practitioners$10 million in average annual receipts
Nuts (e.g., canned, roasted, salted) merchant wholesalers424450 Confectionery Merchant Wholesalers225 employees
Nuts, chocolate covered, made from cacao beans311351 Chocolate and Confectionery Manufacturing from Cacao Beans1,250 employees
Nuts, chocolate covered, made from purchased chocolate311352 Confectionery Manufacturing from Purchased Chocolate1,000 employees
Nuts, covered (except chocolate covered), manufacturing311340 Nonchocolate Confectionery Manufacturing1,000 employees
Nuts, kernels and seeds, roasting and processing311911 Roasted Nuts and Peanut Butter Manufacturing750 employees
Nuts, machine harvesting115113 Crop Harvesting, Primarily by Machine$13.5 million in average annual receipts
Nuts, metal, manufacturing332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing600 employees
Nuts, salted, roasted, cooked, canned, manufacturing311911 Roasted Nuts and Peanut Butter Manufacturing750 employees
Nuts, unprocessed or shelled only, merchant wholesalers424590 Other Farm Product Raw Material Merchant Wholesalers175 employees
Nylon fibers and filaments manufacturing325220 Artificial and Synthetic Fibers and Filaments Manufacturing1,050 employees
Nylon hosiery, sheer, women's, misses', and girls' full-length and knee-length, knitting or knitting and finishing315110 Hosiery and Sock Mills750 employees
Nylon resins manufacturing325211 Plastics Material and Resin Manufacturing1,250 employees
Nylon spun yarns made from purchased fiber313110 Fiber, Yarn, and Thread Mills1,250 employees
Nylon thread manufacturing313110 Fiber, Yarn, and Thread Mills1,250 employees
Nylon yarn twisting or winding of purchased yarn313110 Fiber, Yarn, and Thread Mills1,250 employees
Nylons, sheer, women's, misses', and girls' full-length and knee-length, knitting or knitting and finishing315110 Hosiery and Sock Mills750 employees

Business activities are the U.S. Census Bureau's illustrative examples for each NAICS code, size standards the SBA's. An activity Census lists under a retired code and a code in use names only the code in use. Search NAICS codes

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