| TOYO | | Miscellaneous Manufacturing Industries | 1985273 |
| TPB | | Tobacco Products | 1290677 |
| TPC | | General Bldg Contractors - Nonresidential Bldgs | 77543 |
| TPCS | | Fabricated Structural Metal Products | 1328792 |
| TPET | | Crude Petroleum & Natural Gas | 1898766 |
| TPG | | Investment Advice | 1880661 |
| TPH | | Operative Builders | 1561680 |
| TPHS | | Opeators of Nonresidential Buildings | 724742 |
| TPICQ | | Engines & Turbines | 1455684 |
| TPL | | Oil Royalty Traders | 1811074 |
| TPR | | Leather & Leather Products | 1116132 |
| TPST | | Pharmaceutical Preparations | 1544227 |
| TPTA | | Real Estate Investment Trusts | 1674356 |
| TPVG | | - | 1580345 |
| TPZEY | | - | 2073655 |
| TR | | Sugar & Confectionery Products | 98677 |
| TRAK | | Services-Computer Processing & Data Preparation | 50471 |
| TRAW | | Pharmaceutical Preparations | 1130598 |
| TRBMF | | - | 1406944 |
| TRC | | Real Estate | 96869 |
| TRCK | | Communications Equipment, NEC | 1045942 |
| TRDA | | Pharmaceutical Preparations | 1689375 |
| TREE | | Loan Brokers | 1434621 |
| TREO | | Metal Mining | 2041208 |
| TREX | | Lumber & Wood Products (No Furniture) | 1069878 |
| TRGP | | Natural Gas Transmission | 1389170 |
| TRI | | Miscellaneous Publishing | 1075124 |
| TRIB | | In Vitro & In Vivo Diagnostic Substances | 888721 |
| TRIN | | - | 1786108 |
| TRIP | | Services-Computer Programming, Data Processing, Etc. | 1526520 |
| TRLC | | Finance Services | 1550453 |
| TRLEF | | Crude Petroleum & Natural Gas | 1648636 |
| TRMB | | Measuring & Controlling Devices, NEC | 864749 |
| TRMD | | Deep Sea Foreign Transportation of Freight | 1655891 |
| TRMK | | National Commercial Banks | 36146 |
| TRMOY | | - | 2071881 |
| TRN | | Railroad Equipment | 99780 |
| TRNO | | Real Estate | 1476150 |
| TRNR | | Electronic & Other Electrical Equipment (No Computer Equip) | 1785056 |
| TRNS | | Instruments For Meas & Testing of Electricity & Elec Signals | 99302 |
| TRON | | Finance Services | 1956744 |
| TROO | | Miscellaneous Business Credit Institution | 1412095 |
| TROW | | Investment Advice | 1113169 |
| TROX | | Industrial Inorganic Chemicals | 1530804 |
| TRP | | Natural Gas Transmission | 1232384 |
| TRS | | Metal Forgings & Stampings | 842633 |
| TRSG | | Construction, Mining & Materials Handling Machinery & Equip | 1943444 |
| TRSO | | Services-Computer Programming, Data Processing, Etc. | 1758699 |
| TRST | | State Commercial Banks | 357301 |
| TRT | | Special Industry Machinery, NEC | 732026 |
