| Abbreviation | Definition |
|---|---|
| TLM | Talisman Energy Incorporated |
| TLN | Thallion Pharmaceuticals Inc. |
| TLN | Thallion Pharmaceuticals, Incorporated |
| TLO | Talon Metals Corp. |
| TLO | Talon Metals Corporation |
| TMA | Trimac Income Fund |
| TMB | Tembec Inc. |
| TMB | Tembec Incorporated |
| TMC | Timbercreek Mortgage Investment Corporation |
| TML | Treasury Metals, Inc. |
| TNP | TransAtlantic Petroleum Ltd. |
| TNX | Tanzanian Royalty Exploration Corporation |
| TO | Tax Optimized Return Oriented Securities Trust |
| TOR | TriAusMin, Limited |
| TOS | TSO3 Inc. |
| TOS | TSO3 Incorporated |
| TOT | Total Energy Services Inc. |
| TOT | Total Energy Services Incorporated |
| TOU | Tourmaline Oil Corp. |
| TOU | Tourmaline Oil Corporation |