| Abbreviation | Definition |
|---|---|
| TVB | Tennessee Valley Authority Class B |
| TVC | Tennessee Valley Authority Class C |
| TVE | Tennessee Valley Authority Class E |
| TVF | Templeton Vietnam & Southwest Asia Fund |
| TVL | LIN TV Corporation |
| TVX | T V X Gold, Inc. |
| TW | 21st Century Insurance Group |
| TWE | T D Waterhouse Group, Inc. |
| TWI | Titan International, Inc., of Illinois |
| TWK | Trenwick Group, LTD. |
| TWN | Taiwan Fund, Inc. |
| TWP | Trex, Inc. |
| TWR | Tower Automotive, Inc. |
| TWW | Terremark Worldwide, Inc. |
| TWX | Time Warner, Inc. (now AOL Time Warner) |
| TWXPT | Time Warner, Inc., Capital I |
| TX | Texaco, Inc. (now Chevron- Texaco) |
| TXA | Tribune Company |
| TXCPA | Texaco Capital, L. L. C. Preferred A |
| TXCPB | Texaco Capital, L. L. C. Preferred B |