NAICS Codes by Business Activity: I

485 business activities

Business activity NAICS code Size standard
I-joists, wood, fabricating321213 Engineered Wood Member (except Truss) Manufacturing750 employees
Ice (except dry ice) manufacturing312113 Ice Manufacturing750 employees
Ice (except dry ice) merchant wholesalers424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers100 employees
Ice apron, roof, installation238170 Siding Contractors$19 million in average annual receipts
Ice bank controls manufacturing334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use650 employees
Ice boxes, household-type, manufacturing335220 Major Household Appliance Manufacturing1,500 employees
Ice buckets, plastics (except foam), manufacturing326199 All Other Plastics Product Manufacturing750 employees
Ice buckets, polystyrene foam, manufacturing326140 Polystyrene Foam Product Manufacturing1,000 employees
Ice buckets, urethane or other plastics foam (except polystyrene), manufacturing326150 Urethane and Other Foam Product (except Polystyrene) Manufacturing750 employees
Ice chests or coolers, light gauge metal, manufacturing332439 Other Metal Container Manufacturing600 employees
Ice chests or coolers, urethane or other plastics foam (except polystyrene) manufacturing326150 Urethane and Other Foam Product (except Polystyrene) Manufacturing750 employees
Ice cream (i.e., packaged) stores445299 All Other Specialty Food Stores$9 million in average annual receipts
Ice cream and ices merchant wholesalers424430 Dairy Product (except Dried or Canned) Merchant Wholesalers200 employees
Ice cream cones manufacturing311821 Cookie and Cracker Manufacturing1,250 employees
Ice cream cones merchant wholesalers424490 Other Grocery and Related Products Merchant Wholesalers250 employees
Ice cream making machinery manufacturing333241 Food Product Machinery Manufacturing500 employees
Ice cream manufacturing311520 Ice Cream and Frozen Dessert Manufacturing1,000 employees
Ice cream merchant wholesalers424430 Dairy Product (except Dried or Canned) Merchant Wholesalers200 employees
Ice cream mix manufacturing311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing1,000 employees
Ice cream parlors722515 Snack and Nonalcoholic Beverage Bars$22.5 million in average annual receipts
Ice cream specialties manufacturing311520 Ice Cream and Frozen Dessert Manufacturing1,000 employees
Ice cream truck vendors722330 Mobile Food Services$9 million in average annual receipts
Ice cream vending machines manufacturing333318 Other Commercial and Service Industry Machinery Manufacturing1,000 employees
Ice crushers, household-type electric, manufacturing335210 Small Electrical Appliance Manufacturing1,500 employees
Ice crushers, industrial and commercial-type, manufacturing333999 All Other Miscellaneous General Purpose Machinery Manufacturing500 employees
Ice hockey clubs, professional or semiprofessional711211 Sports Teams and Clubs$47 million in average annual receipts
Ice hockey clubs, recreational713990 All Other Amusement and Recreation Industries$9 million in average annual receipts
Ice maker controls manufacturing334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use650 employees
Ice making machinery manufacturing333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing1,250 employees
Ice making machines merchant wholesalers423740 Refrigeration Equipment and Supplies Merchant Wholesalers125 employees
Ice milk manufacturing311520 Ice Cream and Frozen Dessert Manufacturing1,000 employees
Ice milk mix manufacturing311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing1,000 employees
Ice milk specialties manufacturing311520 Ice Cream and Frozen Dessert Manufacturing1,000 employees
Ice rink (except indoor) construction237990 Other Heavy and Civil Engineering Construction$45 million in average annual receipts
Ice rink, indoor, construction236220 Commercial and Institutional Building Construction$45 million in average annual receipts
Ice skates manufacturing339920 Sporting and Athletic Goods Manufacturing750 employees
Ice skating companies711190 Other Performing Arts Companies$34 million in average annual receipts
Ice skating rinks713940 Fitness and Recreational Sports Centers$17.5 million in average annual receipts
Ice skating shows711190 Other Performing Arts Companies$34 million in average annual receipts
Ice wine312130 Wineries1,000 employees
Ice, dry, manufacturing325120 Industrial Gas Manufacturing1,200 employees
Ice, dry, merchant wholesalers424690 Other Chemical and Allied Products Merchant Wholesalers175 employees
Iced coffee manufacturing312111 Soft Drink Manufacturing1,400 employees
Iced tea manufacturing312111 Soft Drink Manufacturing1,400 employees
Iceland spar (i.e., optical grade calcite), mining and/or beneficiating212399 All Other Nonmetallic Mineral Mining500 employees
Ices, flavored sherbets, manufacturing311520 Ice Cream and Frozen Dessert Manufacturing1,000 employees
Identification plates, metal, manufacturing332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Identity recorders merchant wholesalers423410 Photographic Equipment and Supplies Merchant Wholesalers200 employees
Identity theft protection services812990 All Other Personal Services$15 million in average annual receipts
Igniters, ammunition tracer (i.e., more than 30 mm., more than 1.18 inch), manufacturing332993 Ammunition (except Small Arms) Manufacturing1,500 employees
Ignition controls for gas appliances and furnaces, automatic, manufacturing334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use650 employees
Ignition points and condensers for internal combustion engines manufacturing336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing1,000 employees
Ignition testing instruments manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Ignition wiring harness for internal combustion engines manufacturing336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing1,000 employees
Illuminated indoor lighting fixtures (e.g., directional, exit) manufacturing335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing500 employees
Illustrators, independent commercial541430 Graphic Design Services$9 million in average annual receipts
Ilmenite ores mining and/or beneficiating212299 All Other Metal Ore Mining750 employees
Images, small gypsum, manufacturing327420 Gypsum Product Manufacturing1,500 employees
Images, small papier-mache, manufacturing327999 All Other Miscellaneous Nonmetallic Mineral Product Manufacturing750 employees
Imagesetting services, prepress323120 Support Activities for Printing550 employees
Imitation tobacco cigarettes, manufacturing312230 Tobacco Manufacturing1,500 employees
Immersion heaters, household-type electric, manufacturing335210 Small Electrical Appliance Manufacturing1,500 employees
Immigrant resettlement services624230 Emergency and Other Relief Services$41.5 million in average annual receipts
Immigration services928120 International Affairs—
Immunization program administration923120 Administration of Public Health Programs—
Immunologists' offices (e.g., centers, clinics)621111 Offices of Physicians (except Mental Health Specialists)$16 million in average annual receipts
Immunology instruments, laboratory, manufacturing334516 Analytical Laboratory Instrument Manufacturing1,000 employees
Impact wrenches, handheld power-driven, manufacturing333991 Power-Driven Handtool Manufacturing950 employees
Impedance measuring equipment manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Impeller and counter driven flow meters manufacturing334514 Totalizing Fluid Meter and Counting Device Manufacturing850 employees
Implants, surgical, manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Impounding and storing salt water in connection with petroleum production213112 Support Activities for Oil and Gas Operations$47 million in average annual receipts
Impounding reservoirs, irrigation221310 Water Supply and Irrigation Systems$41 million in average annual receipts
Impression material, dental, manufacturing339114 Dental Equipment and Supplies Manufacturing750 employees
Improvisational theaters711110 Theater Companies and Dinner Theaters$25 million in average annual receipts
In-built thermostats, filled system and bimetal types, manufacturing334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use650 employees
In-home sales of merchandise, direct selling454390 Other Direct Selling Establishments$13 million in average annual receipts
In-vitro diagnostic substances manufacturing325413 In-Vitro Diagnostic Substance Manufacturing1,250 employees
In-vivo diagnostic substances manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Incandescent filament lamp bulbs, complete, manufacturing335110 Electric Lamp Bulb and Part Manufacturing1,250 employees
Incense manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Incinerator control systems, residential and commercial-type, manufacturing334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use650 employees
Incinerator, mass-burn type, construction236210 Industrial Building Construction$45 million in average annual receipts
Incinerator, municipal waste disposal, construction236210 Industrial Building Construction$45 million in average annual receipts
Incinerators (except precast concrete) manufacturing333994 Industrial Process Furnace and Oven Manufacturing500 employees
Incinerators, building equipment type, installation238290 Other Building Equipment Contractors$22 million in average annual receipts
Incinerators, hazardous waste, operating562211 Hazardous Waste Treatment and Disposal$47 million in average annual receipts
Incinerators, nonhazardous solid waste562213 Solid Waste Combustors and Incinerators$47 million in average annual receipts
Incinerators, precast concrete, manufacturing327390 Other Concrete Product Manufacturing500 employees
Income tax compilation services541213 Tax Preparation Services$25 million in average annual receipts
Income tax return preparation services541213 Tax Preparation Services$25 million in average annual receipts
Incoming mail handling equipment (e.g., opening, scanning, sorting) manufacturing333318 Other Commercial and Service Industry Machinery Manufacturing1,000 employees
Incubators, infant, manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Incubators, laboratory-type, manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Incubators, poultry, manufacturing333111 Farm Machinery and Equipment Manufacturing1,250 employees
Indelible inks manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Independent pilot, air (except owner-operators)488190 Other Support Activities for Air Transportation$40 million in average annual receipts
Independent truck driver (except owner-operators)488490 Other Support Activities for Road Transportation$18 million in average annual receipts
Indexing, rotary tables (i.e., a machine tool accessory) manufacturing333515 Cutting Tool and Machine Tool Accessory Manufacturing500 employees
India inks manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Indian affairs programs, government921190 Other General Government Support—
Indicating instruments, electric, manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Indicator testers, turntable, manufacturing334519 Other Measuring and Controlling Device Manufacturing600 employees
Indicators, industrial process control-type, manufacturing334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables750 employees
Indium chloride manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Individual and family social services, multi-purpose624190 Other Individual and Family Services$16 million in average annual receipts
Individuals investing in financial contracts on own account523910 Miscellaneous Intermediation$47 million in average annual receipts
Indoor display advertising services541850 Indoor and Outdoor Display Advertising$34.5 million in average annual receipts
Indoor play areas713120 Amusement Arcades$9 million in average annual receipts
Indoor swimming pool construction236220 Commercial and Institutional Building Construction$45 million in average annual receipts
Induction heating equipment, industrial process-type, manufacturing333994 Industrial Process Furnace and Oven Manufacturing500 employees
Inductors, electronic component-type (e.g., chokes, coils, transformers), manufacturing334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing550 employees
Industrial associations813910 Business Associations$15.5 million in average annual receipts
Industrial banks (i.e., known as), depository522190 Other Depository Credit Intermediation$750 million in assets
Industrial banks (i.e., known as), nondepository522298 All Other Nondepository Credit Intermediation$41.5 million in average annual receipts
Industrial belting reinforcement, cord and fabric, manufacturing314994 Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills1,000 employees
Industrial building (except warehouses) construction236210 Industrial Building Construction$45 million in average annual receipts
Industrial building (except warehouses) construction, for-sale builders236210 Industrial Building Construction$45 million in average annual receipts
Industrial building (except warehouses) construction, general contractors236210 Industrial Building Construction$45 million in average annual receipts
Industrial building rental or leasing531120 Lessors of Nonresidential Buildings (except Miniwarehouses)$34 million in average annual receipts
Industrial caterers (i.e., providing food services on a contractural arrangement (except single-event basis))722310 Food Service Contractors$47 million in average annual receipts
Industrial chemicals merchant wholesalers424690 Other Chemical and Allied Products Merchant Wholesalers175 employees
Industrial containers merchant wholesalers423840 Industrial Supplies Merchant Wholesalers125 employees
Industrial controls (e.g., push button, selector, and pilot switches, manufacturing335314 Relay and Industrial Control Manufacturing750 employees
Industrial controls, electrical, merchant wholesalers423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers200 employees
Industrial design consulting services541420 Industrial Design Services$17 million in average annual receipts
Industrial design licensing533110 Lessors of Nonfinancial Intangible Assets (except Copyrighted Works)$47 million in average annual receipts
Industrial design services541420 Industrial Design Services$17 million in average annual receipts
Industrial development program administration926110 Administration of General Economic Programs—
Industrial diamonds merchant wholesalers423840 Industrial Supplies Merchant Wholesalers125 employees
Industrial engineering services541330 Engineering Services$25.5 million in average annual receipts
Industrial equipment and machinery repair and maintenance services811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$12.5 million in average annual receipts
Industrial garments cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Industrial garments, men's and boys', cut and sew apparel contractors315211 Men's and Boys' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Industrial garments, men's and boys', cut and sewn from purchased fabric (except apparel contractors)315220 Men's and Boys' Cut and Sew Apparel Manufacturing750 employees
Industrial garments, women's and girls', cut and sew apparel contractors315212 Women's, Girls', and Infants' Cut and Sew Apparel ContractorsRetired code (NAICS 2007)—
Industrial garments, 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
Industrial garments, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors)315239 Women's and Girls' Cut and Sew Other Outerwear ManufacturingRetired code (NAICS 2007)—
Industrial gases manufacturing325120 Industrial Gas Manufacturing1,200 employees
Industrial gases merchant wholesalers424690 Other Chemical and Allied Products Merchant Wholesalers175 employees
Industrial glassware and glass products, pressed or blown, made in glass making plants327212 Other Pressed and Blown Glass and Glassware Manufacturing1,250 employees
Industrial glassware made from purchased glass327215 Glass Product Manufacturing Made of Purchased Glass1,000 employees
Industrial labor unions813930 Labor Unions and Similar Labor Organizations$16.5 million in average annual receipts
Industrial land use planning services541320 Landscape Architectural Services$9 million in average annual receipts
Industrial launderers812332 Industrial Launderers$47 million in average annual receipts
Industrial lighting fixtures, electric, manufacturing335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing500 employees
Industrial loan companies, nondepository522298 All Other Nondepository Credit Intermediation$41.5 million in average annual receipts
Industrial locomotives and parts manufacturing336510 Railroad Rolling Stock Manufacturing1,500 employees
Industrial machinery and equipment (except electrical) merchant wholesalers423830 Industrial Machinery and Equipment Merchant Wholesalers100 employees
Industrial mercury lighting fixtures, electric, manufacturing335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing500 employees
Industrial molds (except steel ingot) manufacturing333511 Industrial Mold Manufacturing500 employees
Industrial molds, steel ingot, manufacturing331511 Iron Foundries1,000 employees
Industrial pattern manufacturing332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Industrial process control instruments manufacturing334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables750 employees
Industrial process piping installation238220 Plumbing, Heating, and Air-Conditioning Contractors$19 million in average annual receipts
Industrial product finishes and coatings (i.e., paint) manufacturing325510 Paint and Coating Manufacturing1,000 employees
Industrial research and development laboratories or services (except biotechnology research and development)541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)1,000 employees
Industrial safety devices (e.g., eye shields, face shields, first-aid kits) merchant wholesalers423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers200 employees
Industrial salt manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Industrial salts merchant wholesalers424690 Other Chemical and Allied Products Merchant Wholesalers175 employees
Industrial sand beneficiating (e.g., screening, washing)212322 Industrial Sand Mining750 employees
Industrial sand sandpits and dredging212322 Industrial Sand Mining750 employees
Industrial scales manufacturing333997 Scale and Balance Manufacturing500 employees
Industrial supplies (except disposable plastics, paper) merchant wholesalers423840 Industrial Supplies Merchant Wholesalers125 employees
Industrial supplies, disposable plastics, paper, merchant wholesalers424130 Industrial and Personal Service Paper Merchant Wholesalers150 employees
Industrial testing laboratories or services541380 Testing Laboratories and Services$19 million in average annual receipts
Industrial therapists' offices (e.g., centers, clinics)621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists$12.5 million in average annual receipts
Industrial truck (e.g., forklifts) repair and maintenance services811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$12.5 million in average annual receipts
Industrial truck rental or leasing532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing$40 million in average annual receipts
Industrial trucks and tractors manufacturing333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing900 employees
Industrial trucks, tractors, or trailers merchant wholesalers423830 Industrial Machinery and Equipment Merchant Wholesalers100 employees
Industrial uniform supply services812332 Industrial Launderers$47 million in average annual receipts
Industrial wastes to be reclaimed merchant wholesalers423930 Recyclable Material Merchant Wholesalers125 employees
Inedible products (e.g., hides, skins, pulled wool, wool grease) produced in slaughtering plants311611 Animal (except Poultry) Slaughtering1,150 employees
Inertial navigation systems, aeronautical, manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Infant and junior food canning311422 Specialty Canning1,400 employees
Infant cereals, dry, manufacturing311230 Breakfast Cereal Manufacturing1,300 employees
Infant day care centers624410 Child Care Services$9.5 million in average annual receipts
Infant day care services624410 Child Care Services$9.5 million in average annual receipts
Infant incubators manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Infant's formulas manufacturing311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing1,000 employees
Infant's shoes (except plastics, rubber), manufacturing316219 Other Footwear ManufacturingRetired code (NAICS 2007)—
Infant's shoes manufacturing316210 Footwear Manufacturing1,000 employees
Infants water resistant outerwear cut and sewn from purchased fabric (except apparel contractors)315291 Infants' Cut and Sew Apparel ManufacturingRetired code (NAICS 2007)—
Infants' apparel cut and sewn from purchased fabric (except apparel contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Infants' clothing merchant wholesalers424330 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers100 employees
Infants' cut and sew apparel contractors315210 Cut and Sew Apparel Contractors750 employees
Infants' water resistant outerwear cut and sewn from purchased fabric (except apparel contractors)315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing750 employees
Inflatable plastic boats, heavy-duty, manufacturing336612 Boat Building1,000 employees
Inflatable rubber boats, heavy-duty, manufacturing336612 Boat Building1,000 employees
Information management computer systems integration design services541512 Computer Systems Design Services$34 million in average annual receipts
Infrared analytical instruments, laboratory-type, manufacturing334516 Analytical Laboratory Instrument Manufacturing1,000 employees
Infrared homing systems, aeronautical, manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Infrared instruments, industrial process-type, manufacturing334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables750 employees
Infrared lamp bulbs manufacturing335110 Electric Lamp Bulb and Part Manufacturing1,250 employees
Infrared lamp fixtures manufacturing335129 Other Lighting Equipment Manufacturing500 employees
Infrared ovens, industrial, manufacturing333994 Industrial Process Furnace and Oven Manufacturing500 employees
Infrared sensors, solid-state, manufacturing334413 Semiconductor and Related Device Manufacturing1,250 employees
Infusion therapy centers and clinics, outpatient621498 All Other Outpatient Care Centers$25.5 million in average annual receipts
Ingot made by rolling purchased aluminum331318 Other Aluminum Rolling, Drawing, and Extruding750 employees
Ingot made in iron and steel mills331110 Iron and Steel Mills and Ferroalloy Manufacturing1,500 employees
Ingot, aluminum, made in integrated secondary smelting and rolling mills331318 Other Aluminum Rolling, Drawing, and Extruding750 employees
Ingot, nonferrous metals (except aluminum, copper), secondary smelting and refining331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Ingot, primary aluminum, manufacturing331313 Alumina Refining and Primary Aluminum Production1,300 employees
Ingot, primary, nonferrous metals (except aluminum), manufacturing331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Ingot, primary, nonferrous metals (except aluminum, copper), manufacturing331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)Retired code (NAICS 2007)—
Ingots (except precious) merchant wholesalers423510 Metal Service Centers and Other Metal Merchant Wholesalers200 employees
Ingots, precious, merchant wholesalers423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers125 employees
Inhalation therapists' offices (e.g., centers, clinics)621399 Offices of All Other Miscellaneous Health Practitioners$10 million in average annual receipts
Inhalation therapy equipment manufacturing339112 Surgical and Medical Instrument Manufacturing1,000 employees
Inhalators, surgical and medical, manufacturing339112 Surgical and Medical Instrument Manufacturing1,000 employees
Inhibitors (e.g., corrosion, oxidation, polymerization) manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Injection molding machinery for plastics manufacturing333249 Other Industrial Machinery Manufacturing500 employees
Ink eradicators manufacturing325612 Polish and Other Sanitation Good Manufacturing900 employees
Ink, writing, merchant wholesalers424120 Stationery and Office Supplies Merchant Wholesalers150 employees
Inked ribbons manufacturing339940 Office Supplies (except Paper) Manufacturing750 employees
Inked ribbons merchant wholesalers424120 Stationery and Office Supplies Merchant Wholesalers150 employees
Inkjet cartridges manufacturing325910 Printing Ink Manufacturing750 employees
Inkjet inks manufacturing325910 Printing Ink Manufacturing750 employees
Inks, printing, manufacturing325910 Printing Ink Manufacturing750 employees
Inks, printing, merchant wholesalers423840 Industrial Supplies Merchant Wholesalers125 employees
Inks, writing, manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Inner soles, leather, manufacturing316998 All Other Leather Good and Allied Product Manufacturing500 employees
Inner tubes manufacturing326211 Tire Manufacturing (except Retreading)1,500 employees
Innerspring cushions manufacturing337910 Mattress Manufacturing1,000 employees
Inns, bed and breakfast721191 Bed-and-Breakfast Inns$9 million in average annual receipts
Inorganic chemicals merchant wholesalers424690 Other Chemical and Allied Products Merchant Wholesalers175 employees
Inorganic pigments (except bone black, carbon black, lamp black) manufacturing325130 Synthetic Dye and Pigment Manufacturing1,050 employees
Input/output equipment, computer (except terminals), manufacturing334119 Other Computer Peripheral Equipment ManufacturingRetired code (NAICS 2007)—
Input/output equipment, computer, manufacturing334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing1,000 employees
Insect control for crops115112 Soil Preparation, Planting, and Cultivating$9.5 million in average annual receipts
Insect lamps, electric, manufacturing335129 Other Lighting Equipment Manufacturing500 employees
Insect screening made from purchased wire332618 Other Fabricated Wire Product Manufacturing500 employees
Insecticides manufacturing325320 Pesticide and Other Agricultural Chemical Manufacturing1,150 employees
Inserts, cutting tool, manufacturing333515 Cutting Tool and Machine Tool Accessory Manufacturing500 employees
Inspection bureaus, building541350 Building Inspection Services$11.5 million in average annual receipts
Inspection for labor standards926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors—
Inspection or weighing services, truck transportation488490 Other Support Activities for Road Transportation$18 million in average annual receipts
Inspection services, aircraft488190 Other Support Activities for Air Transportation$40 million in average annual receipts
Inspection services, building or home541350 Building Inspection Services$11.5 million in average annual receipts
Installation of photovoltaic panels238210 Electrical Contractors and Other Wiring Installation Contractors$19 million in average annual receipts
Installing production equipment at the oil or gas field on a contract basis213112 Support Activities for Oil and Gas Operations$47 million in average annual receipts
Installment sales financing522220 Sales Financing$47 million in average annual receipts
Instant coffee manufacturing311920 Coffee and Tea Manufacturing1,000 employees
Instant hot cereals manufacturing311230 Breakfast Cereal Manufacturing1,300 employees
Instant printing (i.e., quick printing)323114 Quick PrintingRetired code (NAICS 2007)—
Instant printing (i.e., quick printing) (except books)323111 Commercial Printing (except Screen and Books)650 employees
Instant tea manufacturing311920 Coffee and Tea Manufacturing1,000 employees
Institutional building construction236220 Commercial and Institutional Building Construction$45 million in average annual receipts
Institutional building construction for-sale builders236220 Commercial and Institutional Building Construction$45 million in average annual receipts
Institutional building construction general contractors236220 Commercial and Institutional Building Construction$45 million in average annual receipts
Institutional furniture manufacturing337127 Institutional Furniture Manufacturing500 employees
Institutional lighting fixtures, electric, manufacturing335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing500 employees
Institutional pharmacies, off-site, exclusively on Internet454110 Electronic Shopping and Mail-Order Houses$41.5 million in average annual receipts
Institutional pharmacies, off-site, mail-order454110 Electronic Shopping and Mail-Order Houses$41.5 million in average annual receipts
Institutional pharmacies, on-site446110 Pharmacies and Drug Stores$33 million in average annual receipts
Institutions, savings522120 Savings Institutions$750 million in assets
Instructional video production512110 Motion Picture and Video Production$40 million in average annual receipts
Instrument control panels (i.e., assembling purchased gauges), automotive, truck, and bus, manufacturing336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing1,000 employees
Instrument landing system instrumentation, airborne or airport, manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Instrument lenses manufacturing333314 Optical Instrument and Lens Manufacturing500 employees
Instrument panels, assembling gauges made in the same establishment334514 Totalizing Fluid Meter and Counting Device Manufacturing850 employees
Instrument shunts manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Instrument springs, precision (except clock, watch), light gauge, made from purchased wire or strip, manufacturing332613 Spring Manufacturing600 employees
Instrument transformers (except complete instruments) for metering or protective relaying use manufacturing335311 Power, Distribution, and Specialty Transformer Manufacturing800 employees
Instrumentation for reactor controls, auxiliary, manufacturing334519 Other Measuring and Controlling Device Manufacturing600 employees
Instruments (except electrical) (e.g., controlling, indicating, recording) merchant wholesalers423830 Industrial Machinery and Equipment Merchant Wholesalers100 employees
Instruments for industrial process control manufacturing334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables750 employees
Instruments for measuring electrical quantities manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Instruments, aeronautical, manufacturing334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 employees
Instruments, electric (i.e., testing electrical characteristics), manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Instruments, mechanical microsurgical, manufacturing339112 Surgical and Medical Instrument Manufacturing1,000 employees
Instruments, musical, manufacturing339992 Musical Instrument Manufacturing1,000 employees
Instruments, musical, merchant wholesalers423990 Other Miscellaneous Durable Goods Merchant Wholesalers100 employees
Instruments, professional and scientific, merchant wholesalers423490 Other Professional Equipment and Supplies Merchant Wholesalers150 employees
Insulated wire or cable made from purchased copper in wire drawing plants331420 Copper Rolling, Drawing, Extruding, and Alloying1,050 employees
Insulated wire or cable made in aluminum wire drawing plants331318 Other Aluminum Rolling, Drawing, and Extruding750 employees
Insulated wire or cable merchant wholesalers423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers200 employees
Insulated wire or cable, copper, made in integrated secondary smelting and wire drawing plants331420 Copper Rolling, Drawing, Extruding, and Alloying1,050 employees
Insulating batts, fills, or blankets made from purchased paper322299 All Other Converted Paper Product Manufacturing500 employees
Insulating batts, fills, or blankets, fiberglass, manufacturing327993 Mineral Wool Manufacturing1,500 employees
Insulating firebrick and shapes, clay, manufacturing327120 Clay Building Material and Refractories Manufacturing750 employees
Insulating glass, sealed units, made from purchased glass327215 Glass Product Manufacturing Made of Purchased Glass1,000 employees
Insulating glass, sealed units, made in glass making plants327211 Flat Glass Manufacturing1,100 employees
Insulating materials, cork, manufacturing321999 All Other Miscellaneous Wood Product Manufacturing500 employees
Insulating oils manufacturing325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing650 employees
Insulating purchased nonferrous wire335929 Other Communication and Energy Wire Manufacturing1,000 employees
Insulation and cushioning, foam plastics (except polystrene), manufacturing326150 Urethane and Other Foam Product (except Polystyrene) Manufacturing750 employees
Insulation and cushioning, polystyrene foam plastics, manufacturing326140 Polystyrene Foam Product Manufacturing1,000 employees
Insulation board, cellular fiber, manufacturing321219 Reconstituted Wood Product Manufacturing750 employees
Insulation contractors238310 Drywall and Insulation Contractors$19 million in average annual receipts
Insulation materials (except wood) merchant wholesalers423330 Roofing, Siding, and Insulation Material Merchant Wholesalers225 employees
Insulation, boiler, duct and pipe, installation238290 Other Building Equipment Contractors$22 million in average annual receipts
Insulators, electrical (except glass, porcelain), manufacturing335932 Noncurrent-Carrying Wiring Device Manufacturing1,000 employees
Insulators, electrical porcelain, manufacturing327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing1,000 employees
Insulators, electrical, glass, made from purchased glass327215 Glass Product Manufacturing Made of Purchased Glass1,000 employees
Insulators, electrical, glass, made in glass making plants327212 Other Pressed and Blown Glass and Glassware Manufacturing1,250 employees
Insulators, electrical, merchant wholesalers423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers200 employees
Insulin preparations manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Insulin, uncompounded, manufacturing325411 Medicinal and Botanical Manufacturing1,000 employees
Insurance actuarial services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance advisory services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance agencies524210 Insurance Agencies and Brokerages$15 million in average annual receipts
Insurance brokerages524210 Insurance Agencies and Brokerages$15 million in average annual receipts
Insurance building rental or leasing531120 Lessors of Nonresidential Buildings (except Miniwarehouses)$34 million in average annual receipts
Insurance carriers, disability, direct524113 Direct Life Insurance Carriers$47 million in average annual receipts
Insurance carriers, fidelity, direct524126 Direct Property and Casualty Insurance Carriers1,500 employees
Insurance carriers, health, direct524114 Direct Health and Medical Insurance Carriers$47 million in average annual receipts
Insurance carriers, life, direct524113 Direct Life Insurance Carriers$47 million in average annual receipts
Insurance carriers, property and casualty, direct524126 Direct Property and Casualty Insurance Carriers1,500 employees
Insurance carriers, surety, direct524126 Direct Property and Casualty Insurance Carriers1,500 employees
Insurance carriers, title, direct524127 Direct Title Insurance Carriers$47 million in average annual receipts
Insurance claims adjusting524291 Claims Adjusting$25 million in average annual receipts
Insurance claims investigation services524291 Claims Adjusting$25 million in average annual receipts
Insurance claims processing services, third party524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds$45.5 million in average annual receipts
Insurance commissions, government926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors—
Insurance coverage consulting services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance exchanges524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance fund, third party administrative services (except claims adjusting only)524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds$45.5 million in average annual receipts
Insurance holding companies551112 Offices of Other Holding Companies$45.5 million in average annual receipts
Insurance investigation services (except claims investigation)524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance loss prevention services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance plan administrative services (except claims adjusting only), third-party524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds$45.5 million in average annual receipts
Insurance processing, contract or fee basis524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance rate making services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance reporting services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance settlement offices524291 Claims Adjusting$25 million in average annual receipts
Insurance underwriters laboratories and standards services524298 All Other Insurance Related Activities$30.5 million in average annual receipts
Insurance underwriting, disability, direct524113 Direct Life Insurance Carriers$47 million in average annual receipts
Insurance underwriting, health and medical, direct524114 Direct Health and Medical Insurance Carriers$47 million in average annual receipts
Insurance underwriting, life, direct524113 Direct Life Insurance Carriers$47 million in average annual receipts
Insurance underwriting, property and casualty, direct524126 Direct Property and Casualty Insurance Carriers1,500 employees
Insurance underwriting, title, direct524127 Direct Title Insurance Carriers$47 million in average annual receipts
Insurers' associations813910 Business Associations$15.5 million in average annual receipts
Intaglio printing (except books)323111 Commercial Printing (except Screen and Books)650 employees
Integral horsepower electric motors manufacturing335312 Motor and Generator Manufacturing1,250 employees
Integrated circuits merchant wholesalers423690 Other Electronic Parts and Equipment Merchant Wholesalers250 employees
Integrated microcircuits manufacturing334413 Semiconductor and Related Device Manufacturing1,250 employees
Integrated record companies (i.e., releasing, promoting, distributing)512250 Record Production and Distribution900 employees
Integrated record production and distribution512250 Record Production and Distribution900 employees
Integrated-circuit testers manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Integrating electricity meters manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Integrating meters, nonelectric, manufacturing334514 Totalizing Fluid Meter and Counting Device Manufacturing850 employees
Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential623210 Residential Intellectual and Developmental Disability Facilities$19 million in average annual receipts
Intellectual and developmental disability homes623210 Residential Intellectual and Developmental Disability Facilities$19 million in average annual receipts
Intellectual and developmental disability hospitals623210 Residential Intellectual and Developmental Disability Facilities$19 million in average annual receipts
Intellectual and developmental disability intermediate care facilities623210 Residential Intellectual and Developmental Disability Facilities$19 million in average annual receipts
Intellectually and developmentally disabled advocacy groups813311 Human Rights Organizations$34 million in average annual receipts
Interactive museums712110 Museums$34 million in average annual receipts
Intercity bus line operation485210 Interurban and Rural Bus Transportation$32 million in average annual receipts
Intercoastal freight transportation to and from domestic ports483113 Coastal and Great Lakes Freight Transportation800 employees
Intercoastal transportation of passengers to and from domestic ports483114 Coastal and Great Lakes Passenger Transportation550 employees
Intercom systems and equipment manufacturing334290 Other Communications Equipment Manufacturing800 employees
Intercommunication (intercom) system installation238210 Electrical Contractors and Other Wiring Installation Contractors$19 million in average annual receipts
Intercooler shells manufacturing332410 Power Boiler and Heat Exchanger Manufacturing750 employees
Interferometers manufacturing333314 Optical Instrument and Lens Manufacturing500 employees
Interior decorating consultant services541410 Interior Design Services$9 million in average annual receipts
Interior decorating consulting services541410 Interior Design Services$9 million in average annual receipts
Interior design consulting services541410 Interior Design Services$9 million in average annual receipts
Interior design services541410 Interior Design Services$9 million in average annual receipts
Interior designer services541410 Interior Design Services$9 million in average annual receipts
Interior repair shops, automotive811121 Automotive Body, Paint, and Interior Repair and Maintenance$9 million in average annual receipts
Interlocking brick and block installation238990 All Other Specialty Trade Contractors$19 million in average annual receipts
Intermediate care facilities, intellectual and developmental disability623210 Residential Intellectual and Developmental Disability Facilities$19 million in average annual receipts
Internal combustion engine analyzers (i.e., testing electrical characteristics) manufacturing334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 employees
Internal combustion engines (except aircraft, nondiesel automotive, nondiesel truck) manufacturing333618 Other Engine Equipment Manufacturing1,500 employees
Internal combustion engines (except aircraft, nondiesel automotive, nondiesel truck) merchant wholesalers423830 Industrial Machinery and Equipment Merchant Wholesalers100 employees
Internal combustion engines, aircraft, manufacturing336412 Aircraft Engine and Engine Parts Manufacturing1,500 employees
Internal combustion engines, automotive and truck gasoline, manufacturing336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing1,050 employees
Internal Revenue Service921130 Public Finance Activities—
International Monetary Fund928120 International Affairs—
International trade financing522293 International Trade Financing$41.5 million in average annual receipts
Internet auctions, retail454110 Electronic Shopping and Mail-Order Houses$41.5 million in average annual receipts
Internet book publishers519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet broadcasting519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet comic book publishing519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet entertainment sites519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet game sites519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet magazine publishing519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet news publishers519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet newsletter publishing519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet newspaper publishing519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet periodical publishers519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet radio stations519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet retail sales sites454110 Electronic Shopping and Mail-Order Houses$41.5 million in average annual receipts
Internet search portals519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet search web sites519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet service providers, using client-supplied telecommunications (e.g., dial-up ISPs)517919 All Other Telecommunications$35 million in average annual receipts
Internet service providers, using own operated wired telecommunications infrastructure (e.g., cable, DSL)517311 Wired Telecommunications Carriers1,500 employees
Internet sports sites519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internet video broadcast sites519130 Internet Publishing and Broadcasting and Web Search Portals1,000 employees
Internists' offices (e.g., centers, clinics)621111 Offices of Physicians (except Mental Health Specialists)$16 million in average annual receipts
Internists' offices, veterinary541940 Veterinary Services$10 million in average annual receipts
Interpretation services, language541930 Translation and Interpretation Services$22.5 million in average annual receipts
Interpretive centers, nature712190 Nature Parks and Other Similar Institutions$19.5 million in average annual receipts
Interpretive dance companies711120 Dance Companies$18 million in average annual receipts
Interpretive dancers, independent711510 Independent Artists, Writers, and Performers$9 million in average annual receipts
Interstate bus line operation485210 Interurban and Rural Bus Transportation$32 million in average annual receipts
Interurban bus line operation485210 Interurban and Rural Bus Transportation$32 million in average annual receipts
Intra ocular lenses manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Intracoastal transportation of freight483211 Inland Water Freight Transportation1,050 employees
Intracoastal transportation of passengers483212 Inland Water Passenger Transportation550 employees
Intrauterine devices manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Intravenous (IV) solution preparations manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Introduction services, social812990 All Other Personal Services$15 million in average annual receipts
Invalid equipment rental (i.e., home use)532283 Home Health Equipment Rental$41 million in average annual receipts
Inventory computing services561990 All Other Support Services$16.5 million in average annual receipts
Inventory planning and control management consulting services541614 Process, Physical Distribution, and Logistics Consulting Services$20 million in average annual receipts
Inventory taking services561990 All Other Support Services$16.5 million in average annual receipts
Invert sugar made from purchased raw cane sugar311312 Cane Sugar RefiningRetired code (NAICS 2007)—
Invert sugar manufacturing311314 Cane Sugar Manufacturing1,050 employees
Inverters, rotating electrical, manufacturing335312 Motor and Generator Manufacturing1,250 employees
Inverters, solid-state, manufacturing335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing600 employees
Investigation services (except credit), private561611 Investigation and Personal Background Check Services$25 million in average annual receipts
Investigation services, credit561450 Credit Bureaus$41 million in average annual receipts
Investigators, private561611 Investigation and Personal Background Check Services$25 million in average annual receipts
Investment advice consulting services, customized, fees paid by client523930 Investment Advice$41.5 million in average annual receipts
Investment advice counseling services, customized, fees paid by client523930 Investment Advice$41.5 million in average annual receipts
Investment advisory services, customized, fees paid by client523930 Investment Advice$41.5 million in average annual receipts
Investment banking523110 Investment Banking and Securities Dealing$41.5 million in average annual receipts
Investment castings, aluminum, unfinished, manufacturing331524 Aluminum Foundries (except Die-Casting)550 employees
Investment castings, copper (except die-castings), unfinished, manufacturing331525 Copper Foundries (except Die-Casting)Retired code (NAICS 2007)—
Investment castings, nonferrous metal (except aluminum), unfinished, manufacturing331529 Other Nonferrous Metal Foundries (except Die-Casting)500 employees
Investment castings, nonferrous metal (except alumninum, copper), unfinished, manufacturing331528 Other Nonferrous Foundries (except Die-Casting)Retired code (NAICS 2007)—
Investment castings, steel, unfinished, manufacturing331512 Steel Investment Foundries1,050 employees
Investment clubs523910 Miscellaneous Intermediation$47 million in average annual receipts
Investment funds, closed-end525990 Other Financial Vehicles$40 million in average annual receipts
Investment funds, open-ended525910 Open-End Investment Funds$40 million in average annual receipts
Investment management523920 Portfolio Management$41.5 million in average annual receipts
Iodides manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Iodinated in-vivo diagnostic substances manufacturing325412 Pharmaceutical Preparation Manufacturing1,300 employees
Iodine, crude or resublimed, manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Ion chambers manufacturing334519 Other Measuring and Controlling Device Manufacturing600 employees
Ion exchange resins manufacturing325211 Plastics Material and Resin Manufacturing1,250 employees
Ionomer resins manufacturing325211 Plastics Material and Resin Manufacturing1,250 employees
Ionone manufacturing325199 All Other Basic Organic Chemical Manufacturing1,250 employees
Iridium bar, rod, sheet, strip and tubing made from purchased metals or scrap331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding900 employees
Iridium mining and/or beneficiating212299 All Other Metal Ore Mining750 employees
Iridium recovering from scrap and/or alloying purchased metals331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)850 employees
Iridium refining, primary331410 Nonferrous Metal (except Aluminum) Smelting and Refining1,000 employees
Iron and steel architectural shapes merchant wholesalers423390 Other Construction Material Merchant Wholesalers100 employees
Iron based pigments manufacturing325130 Synthetic Dye and Pigment Manufacturing1,050 employees
Iron castings, unfinished, manufacturing331511 Iron Foundries1,000 employees
Iron compounds, not specified elsewhere by process, manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Iron forgings made from purchased iron, unfinished332111 Iron and Steel Forging750 employees
Iron foundries331511 Iron Foundries1,000 employees
Iron lungs manufacturing339113 Surgical Appliance and Supplies Manufacturing800 employees
Iron ore (e.g., hematite, magnetite, siderite, taconite) mining and/or beneficiating212210 Iron Ore Mining1,400 employees
Iron ore agglomerates mining and/or beneficiating212210 Iron Ore Mining1,400 employees
Iron ore beneficiating plants (e.g., agglomeration, sintering)212210 Iron Ore Mining1,400 employees
Iron ore mine site development for own account212210 Iron Ore Mining1,400 employees
Iron ore recovery from open hearth slag331110 Iron and Steel Mills and Ferroalloy Manufacturing1,500 employees
Iron ore, blocked, mining and/or beneficiating212210 Iron Ore Mining1,400 employees
Iron sinter made in iron and steel mills331110 Iron and Steel Mills and Ferroalloy Manufacturing1,500 employees
Iron sulphate manufacturing325180 Other Basic Inorganic Chemical Manufacturing1,000 employees
Iron work, structural, contractors238120 Structural Steel and Precast Concrete Contractors$19 million in average annual receipts
Iron, pig, manufacturing331110 Iron and Steel Mills and Ferroalloy Manufacturing1,500 employees
Ironers and mangles, household-type (except portable irons), manufacturing335220 Major Household Appliance Manufacturing1,500 employees
Ironing boards, metal, manufacturing332999 All Other Miscellaneous Fabricated Metal Product Manufacturing750 employees
Ironing boards, wood, manufacturing321999 All Other Miscellaneous Wood Product Manufacturing500 employees
Irons, household-type electric, manufacturing335210 Small Electrical Appliance Manufacturing1,500 employees
Irradiation apparatus and tubes (e.g., industrial, medical diagnostic, medical therapeutic, research, scientific), manufacturing334517 Irradiation Apparatus Manufacturing1,200 employees
Irradiation equipment manufacturing334517 Irradiation Apparatus Manufacturing1,200 employees
Irradiation of fruits and vegetables115114 Postharvest Crop Activities (except Cotton Ginning)$34 million in average annual receipts
Irrigation districts, nonoperating926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities—
Irrigation equipment merchant wholesalers423820 Farm and Garden Machinery and Equipment Merchant Wholesalers125 employees
Irrigation equipment, agriculture, manufacturing333111 Farm Machinery and Equipment Manufacturing1,250 employees
Irrigation pipe, concrete, manufacturing327332 Concrete Pipe Manufacturing750 employees
Irrigation pipe, sheet metal (except stampings), manufacturing332322 Sheet Metal Work Manufacturing500 employees
Irrigation project construction (except lawn)237110 Water and Sewer Line and Related Structures Construction$45 million in average annual receipts
Irrigation system operation221310 Water Supply and Irrigation Systems$41 million in average annual receipts
Isobutane made from refined petroleum or liquid hydrocarbons325110 Petrochemical Manufacturing1,300 employees
Isobutane recovered from oil and gas field gases211130 Natural Gas Extraction1,250 employees
Isobutene made from refined petroleum or liquid hydrocarbons325110 Petrochemical Manufacturing1,300 employees
Isobutylene polymer resins manufacturing325211 Plastics Material and Resin Manufacturing1,250 employees
Isobutylene-isoprene rubber manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Isocyanate rubber manufacturing325212 Synthetic Rubber Manufacturing1,000 employees
Isocyanates manufacturing325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 employees
Isolation transformers manufacturing335311 Power, Distribution, and Specialty Transformer Manufacturing800 employees
Isopentane recovered from oil and gas field gases211130 Natural Gas Extraction1,250 employees
Isoprene made from refined petroleum or liquid hydrocarbons325110 Petrochemical Manufacturing1,300 employees
Isopropyl alcohol manufacturing325199 All Other Basic Organic Chemical Manufacturing1,250 employees
Issuing, credit card522210 Credit Card Issuing$850 million in assets
Italian foods canning311422 Specialty Canning1,400 employees
IV apparatus manufacturing339112 Surgical and Medical Instrument Manufacturing1,000 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

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
Try for free Login