| Abbreviation | Definition |
|---|---|
| TREE | Lending Tree, Inc. |
| TRES | Treesource Industries |
| TREV | Treev, Inc. |
| TREVF | Trevali Mining Corporation |
| TREVP | Treev. Inc. |
| TREVP | Trevali Mining Corporation Preferred (de-listed) |
| TREVP | Trevali Mining Corporation Preferred (de-listed) |
| TREY | Treasury International, Inc. |
| TREY | Treasury International, Incorporated (de-listed) |
| TREY | Treasury International, Incorporated (de-listed) |
| TRFDF | Tramford International, Inc. |
| TRFDF | Tramford International, Incorporated (de-listed) |
| TRFDF | Tramford International, Incorporated (de-listed) |
| TRFWF | Tramford International, Inc. |
| TRFWF | Tramford International, Incorporated (de-listed) |
| TRFWF | Tramford International, Incorporated (de-listed) |
| TRGA | Trega Biosciences, Inc. |
| TRGA | Trega Biosciences, Incorporated (de-listed) |
| TRGA | Trega Biosciences, Incorporated (de-listed) |
| TRGC | Trinity Energy Resources, Inc. |