| NAICS code | NAICS Text
| SIC code | SIC Text
|
| 111335 | Tree Nut Farming | 0173 | Tree Nuts |
| 111910 | Tobacco Farming | 0132 | Tobacco |
| 112330 | Turkey Production | 0253 | Turkey and Turkey Eggs |
| 1131 | Timber Tract Operations | | |
| 113110 | Timber Tract Operations | 0811 | Timber Tracts (long term timber farms) |
| 235430 | Tile, Marble, Terrazzo, and Mosaic Contractors | 1743 | Terrazzo, Tile, Marble, and Mosaic Work (except fresco work) |
| 311830 | Tortilla Manufacturing | 2099 | Food Preparations, NEC (tortillas) |
| 3122 | Tobacco Manufacturing | | |
| 312210 | Tobacco Stemming and Redrying | 2141 | Tobacco Stemming and Redrying (redrying and stemming) |
| 312220 | Tobacco Product Manufacturing | | |
| 313 | Textile Mills | | |
| 313113 | Thread Mills | 2284 | Thread Mills (except finishing) |
| 313113 | Thread Mills | 2299 | Textile Goods, NEC (thread of hemp, linen, and ramie) |
| 3133 | Textile and Fabric Finishing and Fabric Coating Mills | | |
| 313310 | Textile and Fabric Finishing Mills | | |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2231 | Broadwoven Fabric Mills, Wool (wool finishing only, except broadwoven fabric) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2251 | Women's Full-Length and Knee-Length Hosiery, Except Socks (dyeing and finishing only) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2252 | Hosiery, NEC (dyeing and finishing only) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2253 | Knit Outerwear Mills (dyeing and finishing only) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2254 | Knit Underwear and Nightwear Mills (dyeing and finishing only) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2257 | Weft Knit Fabric Mills (finishing) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2258 | Lace and Warp Knit Fabric Mills (finishing) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2259 | Knitting Mills, NEC (dyeing and finishing knit gloves and mittens) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2269 | Finishers of Textiles, NEC |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2284 | Thread Mills (thread finishing) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 2299 | Textile Goods, NEC (finishing hard fiber thread and yarn) |
| 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills | 5131 | Piece Goods and Notions (converters, except broadwoven fabric) |
| 314 | Textile Product Mills | | |
| 3141 | Textile Furnishings Mills | | |
| 314910 | Textile Bag and Canvas Mills | | |
| 314911 | Textile Bag Mills | 2392 | Housefurnishings, Except Curtains and Draperies (blanket, laundry, and garment storage bags) |
| 314911 | Textile Bag Mills | 2393 | Textile Bags |
| 314992 | Tire Cord and Tire Fabric Mills | 2296 | Tire Cord and Fabrics |
| 321214 | Truss Manufacturing | 2439 | Structural Wood Members, NEC (trusses) |
| 323121 | Tradebinding and Related Work | 2789 | Bookbinding and Related Work |
| 325620 | Toilet Preparation Manufacturing | 2844 | Perfumes, Cosmetics, and Other Toilet Preparations (except toothpaste) |
| 326210 | Tire Manufacturing | | |
| 326211 | Tire Manufacturing (except Retreading) | 3011 | Tires and Inner Tubes |
| 326212 | Tire Retreading | 7534 | Tire Retreading and Repair Shops (rebuilding) |
| 332720 | Turned Product and Screw, Nut, and Bolt Manufacturing | | |
| 333292 | Textile Machinery Manufacturing | 3552 | Textile Machinery |
| 333611 | Turbine and Turbine Generator Set Units Manufacturing | 3511 | Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units |
| 334210 | Telephone Apparatus Manufacturing | 3661 | Telephone and Telegraph Apparatus (except consumer external modems) |
| 334514 | Totalizing Fluid Meter and Counting Device Manufacturing | 3824 | Totalizing Fluid Meters and Counting Devices |
| 334514 | Totalizing Fluid Meter and Counting Device Manufacturing | 3825 | Instruments for Measuring and Testing of Electricity and Electrical Signals (automotive ammeters and volt |
| 334514 | Totalizing Fluid Meter and Counting Device Manufacturing | 3829 | Measuring and Controlling Devices, NEC (motor vehicle gauges) |
| 336 | Transportation Equipment Manufacturing | | |
| 336212 | Truck Trailer Manufacturing | 3715 | Truck Trailers |
| 336214 | Travel Trailer and Camper Manufacturing | 3792 | Travel Trailers and Campers |
| 336214 | Travel Trailer and Camper Manufacturing | 3799 | Transportation Equipment, NEC (automobile, boat, utility and light truck trailers) |
| 421130 | Tire and Tube Wholesalers | 5014 | Tires and Tubes (except tires sold via retail method) |
| 421860 | Transportation Equipment and Supplies (except Motor Vehicle) Wholesalers | 5088 | Transportation Equipment and Supplies, Except Motor Vehicles |
| 421860 | Transportation Equipment and Supplies (except Motor Vehicle) Wholesalers | 7389 | Business Services, NEC (yacht brokers) |
| 421920 | Toy and Hobby Goods and Supplies Wholesalers | 5092 | Toys and Hobby Goods and Supplies |
| 422940 | Tobacco and Tobacco Product Wholesalers | 5194 | Tobacco and Tobacco Products |
| 441320 | Tire Dealers | 5014 | Tires and Tubes (Wholesale) (tires and tubes sold via retail method) |
| 441320 | Tire Dealers | 5531 | Auto and Home Supply Stores (tires and tubes) |
| 453991 | Tobacco Stores | 5993 | Tobacco Stores and Stands |
| 484 | Truck Transportation | | |
| 485 | Transit and Ground Passenger Transportation | | |
| 4853 | Taxi and Limousine Service | | |
| 485310 | Taxi Service | 4121 | Taxicabs |
| 485310 | Taxi Service | 4899 | Communications Services, NEC (taxi cab dispatch services) |
| 48-490 | Transportation and Warehousing | | |
| 512191 | Teleproduction and Other Postproduction Services | 7819 | Services Allied to Motion Picture Production (teleproduction and postproduction services) |
| 513120 | Television Broadcasting | 4833 | Television Broadcasting Stations |
| 5133 | Telecommunications | | |
| 513330 | Telecommunications Resellers | 4812 | Radio Communications (paging and cellular resellers) |
| 513330 | Telecommunications Resellers | 4813 | Telephone Communications, Except Radiotelephone (wired resellers) |
| 523991 | Trust, Fiduciary, and Custody Activities | 6091 | Nondeposit Trust Facilities |
| 523991 | Trust, Fiduciary, and Custody Activities | 6099 | Functions Related to Depository Banking, NEC (escrow and fiduciary agencies) |
| 523991 | Trust, Fiduciary, and Custody Activities | 6289 | Services Allied With the Exchange of Securities or Commodities, NEC (security custodians) |
| 523991 | Trust, Fiduciary, and Custody Activities | 6733 | Trusts, Except Educational, Religious, and Charitable (administrators of private estates) |
| 524292 | Third Party Administration of Insurance and Pension Funds | 6371 | Pension, Health, and Welfare Funds (administrators) |
| 524292 | Third Party Administration of Insurance and Pension Funds | 6411 | Insurance Agents, Brokers, and Service (processors) |
| 525920 | Trusts, Estates, and Agency Accounts | 6733 | Trusts, Except Educational, Religious, and Charitable (personal trusts, estates, and agency accounts) |
| 532120 | Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | 7513 | Truck Rental and Leasing Without Drivers |
| 532120 | Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | 7519 | Utility Trailers and Recreational Vehicle Rental |
| 541191 | Title Abstract and Settlement Offices | 6541 | Title Abstract Offices |
| 541213 | Tax Preparation Services | 7291 | Tax Return Preparation Services |
| 541380 | Testing Laboratories | 8734 | Testing Laboratories (except veterinary testing laboratories) |
| 541930 | Translation and Interpretation Services | 7389 | Business Services, NEC (translation and interpretation services) |
| 561320 | Temporary Help Services | 7363 | Help Supply Services (except employee leasing service) |
| 561420 | Telephone Call Centers | | |
| 561421 | Telephone Answering Services | 7389 | Business Services, NEC (telephone answering) |
| 561422 | Telemarketing Bureaus | 7389 | Business Services, NEC (telemarketing bureaus and telephone soliciting) |
| 5615 | Travel Arrangement and Reservation Services | | |
| 561510 | Travel Agencies | 4724 | Travel Agencies |
| 561520 | Tour Operators | 4725 | Tour Operators |
| 6115 | Technical and Trade Schools | | |
| 611510 | Technical and Trade Schools | | |
| 624221 | Temporary Shelters | 8322 | Individual and Family Social Services (temporary shelter) |
| 711110 | Theater Companies and Dinner Theaters | 5812 | Eating Places (dinner theaters) |
| 711110 | Theater Companies and Dinner Theaters | 7922 | Theatrical Producers (Except Motion Pictures) and Miscellaneous Theatrical Services (theater companies, o |
| 7211 | Traveler Accommodation | | |