| TECK | | Mining & Quarrying of Nonmetallic Minerals (No Fuels) | 886986 |
| TECTP | | State Commercial Banks | 1766526 |
| TECX | | Biological Products, (No Diagnostic Substances) | 1681087 |
| TEF | | Telephone Communications (No Radiotelephone) | 814052 |
| TEI | | - | 909112 |
| TEICY | | - | 2089506 |
| TEL | | Wholesale-Electronic Parts & Equipment, NEC | 1385157 |
| TELA | | Surgical & Medical Instruments & Apparatus | 1561921 |
| TELNY | | Telephone Communications (No Radiotelephone) | 1126113 |
| TELO | | Pharmaceutical Preparations | 1971532 |
| TEM | | Services-Computer Programming, Data Processing, Etc. | 1717115 |
| TEN | | Deep Sea Foreign Transportation of Freight | 1166663 |
| TENB | | Services-Prepackaged Software | 1660280 |
| TENX | | Pharmaceutical Preparations | 34956 |
| TEO | | Telephone Communications (No Radiotelephone) | 932470 |
| TER | | Instruments For Meas & Testing of Electricity & Elec Signals | 97210 |
| TERN | | Pharmaceutical Preparations | 1831363 |
| TESI | | Services-Computer Programming Services | 1514056 |
| TETEF | | Services-Business Services, NEC | 1900679 |
| TETH | | Commodity Contracts Brokers & Dealers | 1992508 |
| TETOF | | - | 1783432 |
| TEVA | | Pharmaceutical Preparations | 818686 |
| TEX | | Industrial Trucks, Tractors, Trailors & Stackers | 97216 |
| TFC | | National Commercial Banks | 92230 |
| TFII | | Trucking & Courier Services (No Air) | 1588823 |
| TFIN | | State Commercial Banks | 1539638 |
| TFLM | | Services-Prepackaged Software | 1885849 |
| TFPM | | Mineral Royalty Traders | 1829726 |
| TFSA | | Real Estate Investment Trusts | 1577134 |
| TFSL | | Savings Institution, Federally Chartered | 1381668 |
| TFX | | Surgical & Medical Instruments & Apparatus | 96943 |
| TG | | Rolling Drawing & Extruding of Nonferrous Metals | 850429 |
| TGB | | Gold and Silver Ores | 878518 |
| TGCB | | Services-Computer Programming, Data Processing, Etc. | 1815632 |
| TGE | | Periodicals: Publishing or Publishing & Printing | 2053456 |
| TGEN | | Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip | 1537435 |
| TGHL | | Services-Computer Processing & Data Preparation | 2024114 |
| TGL | | Services-Business Services, NEC | 1905956 |
| TGLO | | Services-Advertising | 1066684 |
| TGLS | | Flat Glass | 1534675 |
| TGNA | | Television Broadcasting Stations | 39899 |
| TGNT | | Short-Term Business Credit Institutions | 846377 |
| TGOPF | | - | 1078716 |
| TGS | | Natural Gas Transmission | 931427 |
| TGT | | Retail-Variety Stores | 27419 |
| TGTX | | Pharmaceutical Preparations | 1001316 |
| TH | | Hotels, Rooming Houses, Camps & Other Lodging Places | 1712189 |
| THAR | | Pharmaceutical Preparations | 1861657 |
| THC | | Services-General Medical & Surgical Hospitals, NEC | 70318 |
| THCH | | Retail-Eating Places | 1877333 |
