NAICS Codes by Business Activity: T (T-shirt to Tin)
Activities 1–642 of 1,284
| Business activity | NAICS code | Size standard |
|---|---|---|
| T-shirt shops | 448190 Other Clothing Stores | $27.5 million in average annual receipts |
| T-shirts, outerwear, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| T-shirts, outerwear, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| T-shirts, outerwear, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| T-shirts, outerwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| T-shirts, outerwear, men's, boys' and unisex, cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| T-shirts, outerwear, unisex (i.e., sized without regard to gender), cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| T-shirts, outerwear, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| T-shirts, outerwear, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| T-shirts, outerwear, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315232 Women's and Girls' Cut and Sew Blouse and Shirt Manufacturing | — |
| T-shirts, underwear, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| T-shirts, underwear, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| T-shirts, underwear, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| T-shirts, underwear, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| T-shirts, underwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| T-shirts, underwear, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| T-shirts, underwear, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| T-shirts, underwear, women's, misses', girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| T-squares (drafting) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Table and banquet accessory rental | 532289 All Other Consumer Goods Rental | $12.5 million in average annual receipts |
| Table articles, coarse earthenware, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Table articles, earthenware, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Table articles, fine earthenware (i.e., whiteware), manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Table articles, vitreous china, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Table cutlery, nonprecious and precious plated metal, manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Table cutlery, precious metal, manufacturing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Table lamps (i.e., lighting fixtures) manufacturing | 335121 Residential Electric Lighting Fixture Manufacturing | 750 employees |
| Table linen supply services | 812331 Linen Supply | $40 million in average annual receipts |
| Table oil made from purchased oils | 311225 Fats and Oils Refining and Blending | 1,100 employees |
| Table oil, corn, made by wet milling | 311221 Wet Corn Milling and Starch Manufacturing | 1,300 employees |
| Table salt manufacturing | 311942 Spice and Extract Manufacturing | 650 employees |
| Table tops, marble, manufacturing | 327991 Cut Stone and Stone Product Manufacturing | 500 employees |
| Tablecloths (except paper) made from purchased materials | 314120 Curtain and Linen Mills | 750 employees |
| Tablecloths made in broadwoven fabric mills | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Tablecloths made in lace mills | 313240 Knit Fabric Mills | 500 employees |
| Tablecloths made in warp knitting mills | 313249 Other Knit Fabric and Lace Mills | — |
| Tablecloths made in warp or weft knitting mills | 313240 Knit Fabric Mills | 500 employees |
| Tablecloths made in weft knitting mills | 313241 Weft Knit Fabric Mills | — |
| Tablecloths, paper, made from purchased paper | 322291 Sanitary Paper Product Manufacturing | 1,500 employees |
| Tables (except wood), office-type, manufacturing | 337214 Office Furniture (except Wood) Manufacturing | 1,100 employees |
| Tables, metal household-type, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Tables, wood household-type, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Tables, wood, office-type, manufacturing | 337211 Wood Office Furniture Manufacturing | 1,000 employees |
| Tablets (e.g., memo, note, writing) made from purchased paper | 322230 Stationery Product Manufacturing | 750 employees |
| Tablets (e.g., memo, note, writing) made in paper mills | 322121 Paper (except Newsprint) Mills | 1,250 employees |
| Tablets, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Tableware (except disposable, plated, precious) merchant wholesalers | 423220 Home Furnishing Merchant Wholesalers | 100 employees |
| Tableware made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Tableware made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Tableware rental | 532289 All Other Consumer Goods Rental | $12.5 million in average annual receipts |
| Tableware, disposable, merchant wholesalers | 424130 Industrial and Personal Service Paper Merchant Wholesalers | 150 employees |
| Tableware, precious and plated, merchant wholesalers | 423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers | 125 employees |
| Tableware, vitreous china, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Tachometer generators manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Tack shops | 451110 Sporting Goods Stores | $23.5 million in average annual receipts |
| Tackle blocks, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Tackle shops (i.e., fishing) | 451110 Sporting Goods Stores | $23.5 million in average annual receipts |
| Tackle, fishing (except line, nets, seines), manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Tacks merchant wholesalers | 423710 Hardware Merchant Wholesalers | 150 employees |
| Tacks, iron or steel, made in wire drawing plants | 331222 Steel Wire Drawing | 1,000 employees |
| Tacks, metal, made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Taconite concentrates or agglomerates beneficiating | 212210 Iron Ore Mining | 1,400 employees |
| Taconite ores mining and/or beneficiating | 212210 Iron Ore Mining | 1,400 employees |
| Taffrail logs manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Tailing in oil and gas field wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Tailor shops, alterations only | 811490 Other Personal and Household Goods Repair and Maintenance | $9 million in average annual receipts |
| Tailored dress and sport coats cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Tailored dress and sport coats, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Tailored dress and sport coats, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Tailors' scissors, nonelectric, manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Tailors' supplies merchant wholesalers | 423850 Service Establishment Equipment and Supplies Merchant Wholesalers | 125 employees |
| Take out eating places | 722513 Limited-Service Restaurants | $13.5 million in average annual receipts |
| Talc mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Talc processing beyond beneficiation | 327992 Ground or Treated Mineral and Earth Manufacturing | 600 employees |
| Talcum powders manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Talent agencies | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Talent agents | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Talent payment services | 541214 Payroll Services | $39 million in average annual receipts |
| Tall oil (except skimmings) manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Tallow produced in a slaughtering plant | 311611 Animal (except Poultry) Slaughtering | 1,150 employees |
| Tallow produced in rendering plant | 311613 Rendering and Meat Byproduct Processing | 750 employees |
| Tally counters manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Tallying meters (except clocks, electricity meters, watches) manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Tampers, powered, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Tampion guns manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Tangelo groves | 111320 Citrus (except Orange) Groves | $4.3 million in average annual receipts |
| Tangerine groves | 111320 Citrus (except Orange) Groves | $4.3 million in average annual receipts |
| Tank artillery manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Tank bodies for trucks manufacturing | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Tank cleaning and disposal services, commercial or industrial | 562998 All Other Miscellaneous Waste Management Services | $16.5 million in average annual receipts |
| Tank cleaning services, septic | 562991 Septic Tank and Related Services | $9 million in average annual receipts |
| Tank lining contractors | 238990 All Other Specialty Trade Contractors | $19 million in average annual receipts |
| Tank tops cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Tank tops, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Tank tops, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Tank tops, outerwear, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Tank tops, outerwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Tank tops, outerwear, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315232 Women's and Girls' Cut and Sew Blouse and Shirt Manufacturing | — |
| Tank tops, underwear, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Tank tops, underwear, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Tank tops, underwear, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Tank tops, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Tank tops, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Tank trailer, liquid and dry bulk, manufacturing | 336212 Truck Trailer Manufacturing | 1,000 employees |
| Tank truck meters manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Tank trucks (e.g., fuel oil, milk, water) assembling on purchased chassis | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Tanker rental or leasing | 532411 Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing | $45.5 million in average annual receipts |
| Tanker trucking (e.g., chemical, juice, milk, petroleum), local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Tanker trucking (e.g., chemical, juice, milk, petroleum), long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Tanks, concrete, manufacturing | 327390 Other Concrete Product Manufacturing | 500 employees |
| Tanks, flush, vitreous china, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Tanks, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Tanks, military (including factory rebuilding), manufacturing | 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing | 1,500 employees |
| Tanks, photographic developing, fixing, and washing, manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Tanks, storage metal, merchant wholesalers | 423510 Metal Service Centers and Other Metal Merchant Wholesalers | 200 employees |
| Tanks, storage, plastics or fiberglass, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Tanks, wood, coopered, manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Tannery leather manufacturing | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Tannery machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Tannic acid (i.e., tannins) manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Tanning agents, inorganic, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Tanning agents, synthetic organic, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Tanning and currying furs | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Tanning extracts and materials, natural, manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Tanning salons | 812199 Other Personal Care Services | $9 million in average annual receipts |
| Tantalite mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Tantalum ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Tantalum refining, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Tap dance companies | 711120 Dance Companies | $18 million in average annual receipts |
| Tape dispensers manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Tape distribution for television | 512120 Motion Picture and Video Distribution | $39 million in average annual receipts |
| Tape measures, metal, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Tape players and recorders, household-type, manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Tape players and recorders, household-type, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Tape recorder rental | 532210 Consumer Electronics and Appliances Rental | $47 million in average annual receipts |
| Tape slitting (e.g., cutting plastic or leather into widths) for the trade | 561990 All Other Support Services | $16.5 million in average annual receipts |
| Tape storage units (e.g., drive backups), computer peripheral equipment, manufacturing | 334112 Computer Storage Device Manufacturing | 1,250 employees |
| Tape transfer service | 512191 Teleproduction and Other Postproduction Services | $39 million in average annual receipts |
| Tapered roller bearings manufacturing | 332991 Ball and Roller Bearing Manufacturing | 1,250 employees |
| Tapes (e.g., adding machine, calculator, cash register) made from purchased paper | 322230 Stationery Product Manufacturing | 750 employees |
| Tapes weaving | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Tapes, blank, audio and video, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Tapes, cellophane, merchant wholesalers | 424120 Stationery and Office Supplies Merchant Wholesalers | 150 employees |
| Tapes, magnetic recording (i.e., audio, data, video), blank, manufacturing | 334613 Blank Magnetic and Optical Recording Media Manufacturing | 1,000 employees |
| Tapes, medical adhesive, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Tapes, medical and surgical, merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Tapes, nonwoven fabric, manufacturing | 313230 Nonwoven Fabric Mills | 850 employees |
| Tapes, prerecorded, audio or video, merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Tapes, pressure sensitive (e.g., cellophane, masking), gummed, made from purchased paper or other materials | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Tapes, surveyor's, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Tapes, textile, merchant wholesalers | 424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | 100 employees |
| Tapes, varnished and coated (except magnetic), made from purchased fabric | 313320 Fabric Coating Mills | 1,000 employees |
| Taping and finishing drywall | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Tapioca manufacturing | 311221 Wet Corn Milling and Starch Manufacturing | 1,300 employees |
| Tapping machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Taps and dies (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Taps, current, attachment plug and screw shell types, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Taps, shoe, leather, manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Tar acid resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Tar and asphalt paving mixtures made from purchased asphaltic materials | 324121 Asphalt Paving Mixture and Block Manufacturing | 500 employees |
| Tar and tar oils made by distillation of wood | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Tar made by distillation of coal tar | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Tar made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Tar paper made from purchased asphaltic materials and paper | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Tar paper, building and roofing, made from purchased paper | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Tar paper, building and roofing, made in paper mills | 322121 Paper (except Newsprint) Mills | 1,250 employees |
| Tar roofing cements and coatings made from purchased asphaltic materials | 324122 Asphalt Shingle and Coating Materials Manufacturing | 1,100 employees |
| Tar sands mining | 211120 Crude Petroleum Extraction | 1,250 employees |
| Target drones, aircraft, manufacturing | 336411 Aircraft Manufacturing | 1,500 employees |
| Targets, trailer type, aircraft, manufacturing | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Tariff rate consulting services | 541614 Process, Physical Distribution, and Logistics Consulting Services | $20 million in average annual receipts |
| Tariff rate information services | 541614 Process, Physical Distribution, and Logistics Consulting Services | $20 million in average annual receipts |
| Taro farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Tarpaulins made from purchased fabrics | 314910 Textile Bag and Canvas Mills | 500 employees |
| Tarred felts merchant wholesalers | 423330 Roofing, Siding, and Insulation Material Merchant Wholesalers | 225 employees |
| Tarring roads | 237310 Highway, Street, and Bridge Construction | $45 million in average annual receipts |
| Tartar sauce manufacturing | 311941 Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing | 850 employees |
| Tartaric acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Tartrates, not specified elsewhere by process, manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Tattoo parlors | 812199 Other Personal Care Services | $9 million in average annual receipts |
| Taverns (i.e., drinking places) | 722410 Drinking Places (Alcoholic Beverages) | $9 million in average annual receipts |
| Tax collection services on a contract or fee basis | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Tax law attorneys' offices | 541110 Offices of Lawyers | $15.5 million in average annual receipts |
| Tax law attorneys' private practices | 541110 Offices of Lawyers | $15.5 million in average annual receipts |
| Tax liens dealing (i.e., acting as a principal in dealing tax liens to investors) | 523910 Miscellaneous Intermediation | $47 million in average annual receipts |
| Tax return preparation services | 541213 Tax Preparation Services | $25 million in average annual receipts |
| Taxation departments | 921130 Public Finance Activities | — |
| Taxicab card advertising services | 541850 Indoor and Outdoor Display Advertising | $34.5 million in average annual receipts |
| Taxicab dispatch services | 485310 Taxi and Ridesharing Services | $19 million in average annual receipts |
| Taxicab fleet operators | 485310 Taxi and Ridesharing Services | $19 million in average annual receipts |
| Taxicab merchant wholesalers | 423110 Automobile and Other Motor Vehicle Merchant Wholesalers | 250 employees |
| Taxicab organizations | 485310 Taxi and Ridesharing Services | $19 million in average annual receipts |
| Taxicab owner-operators | 485310 Taxi and Ridesharing Services | $19 million in average annual receipts |
| Taxicab services | 485310 Taxi and Ridesharing Services | $19 million in average annual receipts |
| Taxidermists, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Taxidermy supplies merchant wholesalers | 423850 Service Establishment Equipment and Supplies Merchant Wholesalers | 125 employees |
| Taximeters manufacturing | 334514 Totalizing Fluid Meter and Counting Device Manufacturing | 850 employees |
| Taxpayers' advocacy organizations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Tea (except herbal) manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Tea and coffee (i.e., packaged) stores | 445299 All Other Specialty Food Stores | $9 million in average annual receipts |
| Tea blending | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Tea farming | 111998 All Other Miscellaneous Crop Farming | $2.5 million in average annual receipts |
| Tea merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Tea, herbal, manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Tea, iced, manufacturing | 312111 Soft Drink Manufacturing | 1,400 employees |
| Tea, instant, manufacturing | 311920 Coffee and Tea Manufacturing | 1,000 employees |
| Teaberries gathering | 113210 Forest Nurseries and Gathering of Forest Products | $20.5 million in average annual receipts |
| Teacher certification bureaus | 923110 Administration of Education Programs | — |
| Teacher registries | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Teaching machines (e.g., flight simulators) manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Teaching machines (except computers), electronic, merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Teakettles and coffee pots, fabricated metal (except electric, glass), manufacturing | 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing | 1,000 employees |
| Teakettles, electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Teakettles, glass and glass ceramic, made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Team athletic uniforms cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Team athletic uniforms cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Team athletic uniforms, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Team athletic uniforms, women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Tear gas manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Teaseling broadwoven fabrics | 313311 Broadwoven Fabric Finishing Mills | — |
| Teaseling fabrics | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Teaseling fabrics (except broadwoven) | 313312 Textile and Fabric Finishing (except Broadwoven Fabric) Mills | — |
| Technetium medicinal preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Technical glassware and glass products, pressed or blown, made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Technical glassware made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Technical magazine and periodical publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Technical magazine and periodical publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Technical magazine and periodical publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Technical magazines and periodicals commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Technical magazines and periodicals flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Technical magazines and periodicals lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Technical magazines and periodicals printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Technical magazines and periodicals screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Technical manual and paperback book publishers (except exclusive Internet publishing) | 511130 Book Publishers | 1,000 employees |
| Technical manual and paperback book publishers and printing combined | 511130 Book Publishers | 1,000 employees |
| Technical manual paper (books) binding without printing | 323120 Support Activities for Printing | 550 employees |
| Technical manual publishers (except exclusive Internet publishing) | 511130 Book Publishers | 1,000 employees |
| Technical manual publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Technical manuals and papers (books) printing and binding without publishing | 323117 Books Printing | 1,250 employees |
| Technical manuals and papers (books) printing without publishing | 323117 Books Printing | 1,250 employees |
| Technical writers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Teddies cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Teddies, women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Teddies, women's, cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Teddies, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Teen outreach services | 624110 Child and Youth Services | $15.5 million in average annual receipts |
| Teeth (except customized) manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Teeth whiteners (e.g., pastes, gels) manufacturing | 325611 Soap and Other Detergent Manufacturing | 1,100 employees |
| Teeth, custom made in dental laboratories | 339116 Dental Laboratories | 500 employees |
| Teeth, dental, merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Telecommunications carriers, cellular telephone | 517312 Wireless Telecommunications Carriers (except Satellite) | 1,500 employees |
| Telecommunications carriers, wired | 517311 Wired Telecommunications Carriers | 1,500 employees |
| Telecommunications equipment and wiring (except transmission line) installation contractors | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Telecommunications equipment rental or leasing | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Telecommunications management consulting services | 541618 Other Management Consulting Services | $19 million in average annual receipts |
| Telecommunications resellers | 517911 Telecommunications Resellers | 1,500 employees |
| Teleconferencing services | 561499 All Other Business Support Services | $21.5 million in average annual receipts |
| Telegram services, singing | 812990 All Other Personal Services | $15 million in average annual receipts |
| Telegraph equipment merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Telemarketing bureaus | 561422 Telemarketing Bureaus and Other Contact Centers | $25.5 million in average annual receipts |
| Telemarketing services on a contract or fee basis | 561422 Telemarketing Bureaus and Other Contact Centers | $25.5 million in average annual receipts |
| Telemetering instruments, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Telemetry and tracking system operations on a contract or fee basis | 517919 All Other Telecommunications | $35 million in average annual receipts |
| Telephone and telegraph transformers, electronic component-type, manufacturing | 334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing | 550 employees |
| Telephone answering machines manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Telephone answering machines merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Telephone answering services | 561421 Telephone Answering Services | $19 million in average annual receipts |
| Telephone booths manufacturing | 337215 Showcase, Partition, Shelving, and Locker Manufacturing | 500 employees |
| Telephone call centers | 561422 Telemarketing Bureaus and Other Contact Centers | $25.5 million in average annual receipts |
| Telephone carrier line equipment manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Telephone carrier switching equipment manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Telephone communications carriers, satellite | 517410 Satellite Telecommunications | $44 million in average annual receipts |
| Telephone communications carriers, wireless (except satellite) | 517312 Wireless Telecommunications Carriers (except Satellite) | 1,500 employees |
| Telephone communications resellers (except satellite) | 517911 Telecommunications Resellers | 1,500 employees |
| Telephone counseling services | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Telephone directories commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Telephone directories flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Telephone directories lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Telephone directories printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Telephone directories screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Telephone directory distribution services, door-to-door | 541870 Advertising Material Distribution Services | $28.5 million in average annual receipts |
| Telephone directory publishers (except exclusive Internet publishing) | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Telephone directory publishers and printing combined | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Telephone directory publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Telephone equipment and building wiring installation | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Telephone equipment merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Telephone equipment repair and maintenance services without retailing new telephone equipment | 811213 Communication Equipment Repair and Maintenance | $19.5 million in average annual receipts |
| Telephone installation contractors | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Telephone line construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Telephone line stringing | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Telephone solicitation services on a contract or fee basis | 561422 Telemarketing Bureaus and Other Contact Centers | $25.5 million in average annual receipts |
| Telephone stores (including cellular) | 443112 Radio, Television, and Other Electronics Stores | — |
| Telephone-based recorded information services | 519190 All Other Information Services | $30 million in average annual receipts |
| Telephones (except cellular telephone) manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Telephones merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Telephones, cellular, manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Telephones, coin-operated, manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Teleprinters (i.e., computer terminals) manufacturing | 334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing | 1,000 employees |
| Teleproduction services | 512191 Teleproduction and Other Postproduction Services | $39 million in average annual receipts |
| Telescopes manufacturing | 333314 Optical Instrument and Lens Manufacturing | 500 employees |
| Television (TV) sets manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Television advertising representatives (i.e., independent of media owners) | 541840 Media Representatives | $21 million in average annual receipts |
| Television and radio stores | 443142 Electronics Stores | $35 million in average annual receipts |
| Television broadcasting networks | 515120 Television Broadcasting | $41.5 million in average annual receipts |
| Television broadcasting stations | 515120 Television Broadcasting | $41.5 million in average annual receipts |
| Television cabinets (i.e., housings), wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Television cameras merchant wholesalers | 423410 Photographic Equipment and Supplies Merchant Wholesalers | 200 employees |
| Television commercial production | 512110 Motion Picture and Video Production | $40 million in average annual receipts |
| Television employment agencies | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Television guide publishers (except exclusive Internet publishing) | 511120 Periodical Publishers | 1,000 employees |
| Television guide publishers and printing combined | 511120 Periodical Publishers | 1,000 employees |
| Television guide publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Television guides commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Television guides flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Television guides lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Television guides printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Television guides screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Television housings, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Television operations, closed circuit | 517311 Wired Telecommunications Carriers | 1,500 employees |
| Television order, home shopping | 454110 Electronic Shopping and Mail-Order Houses | $41.5 million in average annual receipts |
| Television picture tubes manufacturing | 334419 Other Electronic Component Manufacturing | 750 employees |
| Television producers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Television rental | 532210 Consumer Electronics and Appliances Rental | $47 million in average annual receipts |
| Television repair services without retailing new televisions | 811211 Consumer Electronics Repair and Maintenance | $22.5 million in average annual receipts |
| Television sets merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Television show production | 512110 Motion Picture and Video Production | $40 million in average annual receipts |
| Television show syndicators | 512120 Motion Picture and Video Distribution | $39 million in average annual receipts |
| Television station construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Television subscription services | 515210 Cable and Other Subscription Programming | $41.5 million in average annual receipts |
| Television tower sections, fabricated structural metal, manufacturing | 332312 Fabricated Structural Metal Manufacturing | 500 employees |
| Television transmitting antennas and ground equipment manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Television transmitting tower construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Television, closed-circuit equipment, manufacturing | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 1,250 employees |
| Telluride (gold) mining and/or beneficiating | 212221 Gold Ore Mining | 1,500 employees |
| Tellurium refining, primary | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Temperance organizations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Temperature control system installation | 238210 Electrical Contractors and Other Wiring Installation Contractors | $19 million in average annual receipts |
| Temperature controls, automatic, residential and commercial-types, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Temperature instruments, industrial process-type (except glass and bimetal thermometers), manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Temperature sensors for motor windings manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Tempered glass made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Tempering metals and metal products for the trade | 332811 Metal Heat Treating | 750 employees |
| Template, made in iron and steel mills, manufacturing | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Templates, drafting, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Temples and fronts (i.e., eyeglass frames), ophthalmic, manufacturing | 339115 Ophthalmic Goods Manufacturing | 1,000 employees |
| Temples, religious | 813110 Religious Organizations | $13 million in average annual receipts |
| Temporary employment services | 561320 Temporary Help Services | $34 million in average annual receipts |
| Temporary help services | 561320 Temporary Help Services | $34 million in average annual receipts |
| Temporary housing for families of medical patients | 624221 Temporary Shelters | $13.5 million in average annual receipts |
| Temporary shelters (e.g., battered women's, homeless, runaway youth) | 624221 Temporary Shelters | $13.5 million in average annual receipts |
| Temporary staffing services | 561320 Temporary Help Services | $34 million in average annual receipts |
| Ten pin bowling alleys | 713950 Bowling Centers | $12.5 million in average annual receipts |
| Ten pin bowling centers | 713950 Bowling Centers | $12.5 million in average annual receipts |
| Tenants' advocacy associations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Tenants' associations (except advocacy) | 813990 Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) | $13.5 million in average annual receipts |
| Tenants' associations, advocacy | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Tennis club facilities | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Tennis court, indoor, construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Tennis courts | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Tennis courts, outdoor, construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Tennis equipment and supplies merchant wholesalers | 423910 Sporting and Recreational Goods and Supplies Merchant Wholesalers | 100 employees |
| Tennis goods (e.g., balls, frames, rackets) manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Tennis instruction, camps, or schools | 611620 Sports and Recreation Instruction | $9 million in average annual receipts |
| Tennis professionals, independent (i.e., participating in sports events) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Tennis shirts cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Tennis shirts made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Tennis shirts, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Tennis shirts, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Tennis shirts, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Tennis shirts, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Tennis shirts, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Tennis shirts, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Tennis skirts cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Tennis skirts made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Tennis skirts, women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Tennis skirts, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Tennis skirts, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| TENS (transcutaneous electrical nerve stimulator) manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Tensile strength testing equipment manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Tent poles, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Tent trailers (hard top and soft top) manufacturing | 336214 Travel Trailer and Camper Manufacturing | 1,000 employees |
| Tent, camping, rental | 532284 Recreational Goods Rental | $9 million in average annual receipts |
| Tent, party, rental | 532289 All Other Consumer Goods Rental | $12.5 million in average annual receipts |
| Tents made from purchased fabrics | 314910 Textile Bag and Canvas Mills | 500 employees |
| Terminals and connectors for electrical devices manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Terminals, computer, manufacturing | 334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing | 1,000 employees |
| Terminals, petroleum | 424710 Petroleum Bulk Stations and Terminals | 225 employees |
| Termite control services | 561710 Exterminating and Pest Control Services | $17.5 million in average annual receipts |
| Termite poisons manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Terneplate made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Terneplate merchant wholesalers | 423510 Metal Service Centers and Other Metal Merchant Wholesalers | 200 employees |
| Ternes, iron or steel, long or short, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Terpineol manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Terrapin fishing | 114119 Other Marine Fishing | $11.5 million in average annual receipts |
| Terrazzo and tile refinishing | 238340 Tile and Terrazzo Contractors | $19 million in average annual receipts |
| Terrazzo contractors | 238340 Tile and Terrazzo Contractors | $19 million in average annual receipts |
| Terrazzo products, precast (except brick, block and pipe), manufacturing | 327390 Other Concrete Product Manufacturing | 500 employees |
| Terry broadwoven fabrics weaving | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Tert-butylated bis (p-phenoxyphenyl) ether fluid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Test boring for construction | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Test development and evaluation services, educational | 611710 Educational Support Services | $24 million in average annual receipts |
| Test drilling for metal mining on a contract basis | 213114 Support Activities for Metal Mining | $41 million in average annual receipts |
| Test drilling for nonmetallic minerals mining (except fuel) on a contract basis | 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining | $20.5 million in average annual receipts |
| Test equipment for electronic and electrical circuits and equipment manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Test sets, ignition harness, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Testamentary trusts | 525920 Trusts, Estates, and Agency Accounts | $40 million in average annual receipts |
| Testers for checking hydraulic controls on aircraft manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Testing and measuring equipment, electrical (except automotive), merchant wholesalers | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Testing equipment (e.g., abrasion, shearing strength, tensile strength, torsion) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Testing laboratories (except medical, veterinary) | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Testing laboratories, medical | 621511 Medical Laboratories | $41.5 million in average annual receipts |
| Testing laboratories, veterinary | 541940 Veterinary Services | $10 million in average annual receipts |
| Testing services for veterinarians | 541940 Veterinary Services | $10 million in average annual receipts |
| Testing services, aircraft | 488190 Other Support Activities for Air Transportation | $40 million in average annual receipts |
| Testing services, educational | 611710 Educational Support Services | $24 million in average annual receipts |
| Testing, weighing, inspecting, packaging machinery manufacturing | 333993 Packaging Machinery Manufacturing | 600 employees |
| Tetrachloroethylene manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Tetracycline, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Tetraethyl lead manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Tetryl explosive materials manufacturing | 325920 Explosives Manufacturing | 750 employees |
| Textbooks printing and binding without publishing | 323117 Books Printing | 1,250 employees |
| Textbooks printing without publishing | 323117 Books Printing | 1,250 employees |
| Textile bags made from purchased woven or knitted materials | 314910 Textile Bag and Canvas Mills | 500 employees |
| Textile bags merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Textile broadwoven fabrics mills | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Textile cutting services | 561990 All Other Support Services | $16.5 million in average annual receipts |
| Textile design services | 541490 Other Specialized Design Services | $13.5 million in average annual receipts |
| Textile finishing assistants manufacturing | 325613 Surface Active Agent Manufacturing | 1,100 employees |
| Textile finishing machinery (e.g., bleaching, dyeing, mercerizing, printing) manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Textile fire hose made from purchased material | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Textile folding and packaging services | 561910 Packaging and Labeling Services | $19.5 million in average annual receipts |
| Textile glass fibers made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Textile guides, porcelain, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Textile leathers (e.g., apron picker leather, mill strapping) manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Textile machinery and equipment merchant wholesalers | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Textile machinery rental or leasing | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Textile machinery repair and maintenance services | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $12.5 million in average annual receipts |
| Textile making machinery (except sewing machines) manufacturing | 333292 Textile Machinery Manufacturing | — |
| Textile making machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Textile mill construction | 236210 Industrial Building Construction | $45 million in average annual receipts |
| Textile mills, broadwoven fabrics | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Textile mills, narrow woven fabric | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Textile narrow woven fabric mills | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Textile printing inks manufacturing | 325910 Printing Ink Manufacturing | 750 employees |
| Textile printing machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Textile products (except apparel) made in broadwoven fabric mills | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Textile products (except apparel) made in lace mills | 313240 Knit Fabric Mills | 500 employees |
| Textile products (except apparel) made in narrow woven fabric mills | 313220 Narrow Fabric Mills and Schiffli Machine Embroidery | 550 employees |
| Textile products (except apparel) made in warp knitting mills | 313249 Other Knit Fabric and Lace Mills | — |
| Textile products (except apparel) made in warp or weft knitting mills | 313240 Knit Fabric Mills | 500 employees |
| Textile products (except apparel) made in weft knitting mills | 313241 Weft Knit Fabric Mills | — |
| Textile products finishing | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Textile scouring agents manufacturing | 325613 Surface Active Agent Manufacturing | 1,100 employees |
| Textile waste merchant wholesalers | 423930 Recyclable Material Merchant Wholesalers | 125 employees |
| Textile waterproofing | 313320 Fabric Coating Mills | 1,000 employees |
| Textiles (except burlap, felt) merchant wholesalers | 424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | 100 employees |
| Texturizing cellulosic yarn made in the same establishment | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Texturizing machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Texturizing noncellulosic yarn made in the same establishment | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Texturizing purchased yarn | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Thallium mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Theater companies (except dance) | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theater companies (except dance), amateur | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theater companies, dance | 711120 Dance Companies | $18 million in average annual receipts |
| Theater construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Theater equipment (except seats) merchant wholesalers | 423410 Photographic Equipment and Supplies Merchant Wholesalers | 200 employees |
| Theater festival managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theater festival managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theater festival organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theater festival organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theater festival promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theater festival promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theater operators | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theater schools | 611610 Fine Arts Schools | $9 million in average annual receipts |
| Theater seating manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Theater seats merchant wholesalers | 423210 Furniture Merchant Wholesalers | 100 employees |
| Theater, property operation, rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Theaters, dance | 711120 Dance Companies | $18 million in average annual receipts |
| Theaters, dinner | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theaters, live theatrical production (except dance) | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theaters, motion picture (except drive-in) | 512131 Motion Picture Theaters (except Drive-Ins) | $47 million in average annual receipts |
| Theaters, motion picture, drive-in | 512132 Drive-In Motion Picture Theaters | $12.5 million in average annual receipts |
| Theaters, motion picture, indoor | 512131 Motion Picture Theaters (except Drive-Ins) | $47 million in average annual receipts |
| Theaters, musical | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theaters, outdoor motion picture | 512132 Drive-In Motion Picture Theaters | $12.5 million in average annual receipts |
| Theatrical booking agencies (except motion picture) | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theatrical costumes cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Theatrical costumes cut and sewn from purchased fabric (except apparel contractors) | 315280 Other Cut and Sew Apparel Manufacturing | 750 employees |
| Theatrical costumes, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Theatrical costumes, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Theatrical dance productions, live | 711120 Dance Companies | $18 million in average annual receipts |
| Theatrical employment agencies | 561311 Employment Placement Agencies | $34 million in average annual receipts |
| Theatrical equipment (except costumes) rental or leasing | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Theatrical production managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theatrical production managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theatrical production organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theatrical production organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theatrical production promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Theatrical production promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Theatrical repertory companies | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theatrical road companies | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theatrical scenery manufacturing | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Theatrical stock companies | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Theatrical talent agents | 711410 Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures | $17.5 million in average annual receipts |
| Theatrical ticket offices | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Theatrical wardrobe and costume rental | 532281 Formal Wear and Costume Rental | $25 million in average annual receipts |
| Theft prevention signaling devices (e.g., door entrance annunciation, holdup signaling devices, personal duress signaling devices), manufacturing | 334290 Other Communications Equipment Manufacturing | 800 employees |
| Theme parks, amusement | 713110 Amusement and Theme Parks | $47 million in average annual receipts |
| Theobromine and derivatives (i.e., basic chemicals) manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Theodolites manufacturing | 333314 Optical Instrument and Lens Manufacturing | 500 employees |
| Theodolites, surveying, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Theological seminaries offering baccalaureate or graduate degrees | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Therapeutic X-ray apparatus and tubes (e.g., medical, industrial, research) manufacturing | 334517 Irradiation Apparatus Manufacturing | 1,200 employees |
| Therapy equipment merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Thermal analysis instruments, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Thermal conductivity instruments and sensors manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Thermal conductivity instruments, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Thermal insulation, polystyrene foam, manufacturing | 326140 Polystyrene Foam Product Manufacturing | 1,000 employees |
| Thermal power plant construction | 237130 Power and Communication Line and Related Structures Construction | $45 million in average annual receipts |
| Thermal testing laboratories or services | 541380 Testing Laboratories and Services | $19 million in average annual receipts |
| Thermistors manufacturing | 334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing | 550 employees |
| Thermistors, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Thermocouples (except industrial process, aircraft type, glass vacuum) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Thermocouples, glass vacuum, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Thermocouples, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Thermoelectric generators manufacturing | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | 600 employees |
| Thermoform, blister, and skin packaging machinery manufacturing | 333993 Packaging Machinery Manufacturing | 600 employees |
| Thermoforming machinery for plastics manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Thermogravimetric analyzers manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Thermometer, liquid-in-glass and bimetal types (except medical), manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Thermometers merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Thermometers, filled system industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Thermometers, medical, manufacturing | 339112 Surgical and Medical Instrument Manufacturing | 1,000 employees |
| Thermoplastic resins and plastics materials manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Thermosetting plastics resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Thermosetting vulcanizable elastomers manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Thermostatic traps, industrial-type, manufacturing | 332911 Industrial Valve Manufacturing | 750 employees |
| Thermostats (e.g., air-conditioning, appliance, comfort heating, refrigeration) manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Thickness gauging instruments, ultrasonic, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Thimbles for wire rope manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Thin film integrated circuits manufacturing | 334413 Semiconductor and Related Device Manufacturing | 1,250 employees |
| Thin layer deposition equipment, semiconductor, manufacturing | 333242 Semiconductor Machinery Manufacturing | 1,500 employees |
| Thinning of crops, mechanical and chemical | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Thiocyanate manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Thioglycolic acid manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Thiol rubber manufacturing | 325212 Synthetic Rubber Manufacturing | 1,000 employees |
| Thorite mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Thorium ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Thoroughbred racetracks | 711212 Racetracks | $47 million in average annual receipts |
| Thread (except industrial) merchant wholesalers | 424310 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | 100 employees |
| Thread cutting dies (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Thread finishing | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Thread making machinery manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Thread mills | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Thread rolling machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Thread, all fibers, manufacturing | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Thread, industrial, merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Thread, rubber (except fabric covered), manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Threading machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Threshing service | 115113 Crop Harvesting, Primarily by Machine | $13.5 million in average annual receipts |
| Thrift shops, used merchandise | 453310 Used Merchandise Stores | $12.5 million in average annual receipts |
| Through-hole machinery, printed circuit board loading, manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Throwing cellulosic yarn made in the same establishment | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Throwing noncellulosic yarn made in the same establishment | 325220 Artificial and Synthetic Fibers and Filaments Manufacturing | 1,050 employees |
| Throwing purchased yarn | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Thrust power indicators, aircraft engine, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Thrust roller bearings manufacturing | 332991 Ball and Roller Bearing Manufacturing | 1,250 employees |
| Thyristors manufacturing | 334413 Semiconductor and Related Device Manufacturing | 1,250 employees |
| Thyroid preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Tick powders or sprays manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Ticket (e.g., airline, bus, cruise ship, sports, theatrical) offices | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket (e.g., airline, bus, cruise ship, sports, theatrical) sales offices | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket (e.g., amusement, sports, theatrical) agencies | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket (e.g., amusement, sports, theatrical) sales agencies | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket agencies, amusement | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket agencies, sports | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket agencies, theatrical | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Ticket offices for foreign cruise ship companies | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Tie plates, iron or steel, made in iron and steel mills | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Tie shops | 448150 Clothing Accessories Stores | $29.5 million in average annual receipts |
| Tie wires made in wire drawing plants | 331222 Steel Wire Drawing | 1,000 employees |
| Ties cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Ties made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Ties, concrete, railroad, manufacturing | 327390 Other Concrete Product Manufacturing | 500 employees |
| Ties, men's and boys' hand sewn (except apparel contractors), manufacturing | 315990 Apparel Accessories and Other Apparel Manufacturing | 600 employees |
| Ties, men's and boys' hand sewn, cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Ties, railroad, made from logs or bolts | 321113 Sawmills | 550 employees |
| Ties, wood railroad bridge, cross, and switch, treating | 321114 Wood Preservation | 550 employees |
| Ties, wood, made from logs or bolts | 321113 Sawmills | 550 employees |
| Ties, wood, merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Tights knitting or knitting and finishing | 315110 Hosiery and Sock Mills | 750 employees |
| Tilapia production | 112511 Finfish Farming and Fish Hatcheries | $3.8 million in average annual receipts |
| Tile (except resilient) contractors | 238340 Tile and Terrazzo Contractors | $19 million in average annual receipts |
| Tile (except resilient) laying and setting | 238340 Tile and Terrazzo Contractors | $19 million in average annual receipts |
| Tile adhesives manufacturing | 325520 Adhesive Manufacturing | 550 employees |
| Tile making machinery (except kilns) manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Tile stores, ceramic | 444190 Other Building Material Dealers | $22 million in average annual receipts |
| Tile, ceramic wall and floor, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Tile, clay, refractory, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Tile, clay, structural, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Tile, cork, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Tile, roofing and drain, clay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Tile, sewer, clay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Tile, structural clay (except refractory), merchant wholesalers | 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers | 150 employees |
| Tilefish fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Tilemaking kilns manufacturing | 333994 Industrial Process Furnace and Oven Manufacturing | 500 employees |
| Tiles, floor (i.e., linoleum, rubber, vinyl), manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Tillers, farm and garden, merchant wholesalers | 423820 Farm and Garden Machinery and Equipment Merchant Wholesalers | 125 employees |
| Tillers, lawn and garden-type, manufacturing | 333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing | 1,500 employees |
| Timber and timber products (except lumber) merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Timber piling | 113310 Logging | 500 employees |
| Timber pole cutting | 113310 Logging | 500 employees |
| Timber removal, underwater | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Timber tract operations | 113110 Timber Tract Operations | $19 million in average annual receipts |
| Timber valuation | 115310 Support Activities for Forestry | $11.5 million in average annual receipts |
| Timber, structural, treating | 321114 Wood Preservation | 550 employees |
| Timbers, made from logs or bolts | 321113 Sawmills | 550 employees |
| Timbers, structural, glue laminated or pre-engineered wood, manufacturing | 321213 Engineered Wood Member (except Truss) Manufacturing | 750 employees |
| Time clocks and time recording devices manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Time cycle and program controllers, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Time locks manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Time planners/organizers and refills manufacturing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Time program controls, air-conditioning systems, manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Time recording machines merchant wholesalers | 423420 Office Equipment Merchant Wholesalers | 200 employees |
| Time share exchange services, condominium | 561599 All Other Travel Arrangement and Reservation Services | $32.5 million in average annual receipts |
| Time stamps containing clock mechanisms manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Time switches, electrical switchgear apparatus, manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Time-share condominium construction for-sale builders | 236117 New Housing For-Sale Builders | $45 million in average annual receipts |
| Time-share condominium construction general contractors | 236115 New Single-Family Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Timers for industrial use, clockwork mechanism, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Timing belt, rubber or plastics, manufacturing | 326220 Rubber and Plastics Hoses and Belting Manufacturing | 800 employees |
| Timing devices, mechanical and solid-state (except clockwork), manufacturing | 335314 Relay and Industrial Control Manufacturing | 750 employees |
| Timing gears and chains, automotive and truck gasoline engine, manufacturing | 336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing | 1,050 employees |
| Timing mechanisms, clockwork, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Timing motors, synchronous, electric, manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Tin and tin alloy bar, pipe, rod, sheet, strip, and tubing made from purchased metals or scrap | 331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding | 900 employees |
| Tin base alloys made in primary tin smelting and refining mills | 331410 Nonferrous Metal (except Aluminum) Smelting and Refining | 1,000 employees |
| Tin chloride manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Tin compounds, not specified elsewhere by process, manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Tin metal concentrates beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Tin metal ores mining and/or beneficiating | 212299 All Other Metal Ore Mining | 750 employees |
| Tin oxide manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 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
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