| Abbreviation | Definition |
|---|---|
| TGET | Target Therapeutics, Inc. |
| TGIC | Triad Guaranty, Inc. |
| TGIE | Thunderstone Group, Inc., of Nevada |
| TGIE | Thunderstone Group, Incorporated, of Nevada (de-listed) |
| TGIE | Thunderstone Group, Incorporated, of Nevada (de-listed) |
| TGIS | Thomas Group, Inc. |
| TGLEF | Transglobe Energy Corporation |
| TGLO | TheGlobe.Com, Inc. |
| TGNT | Teligent, Inc. |
| TGPAF | Technigen Corporation |
| TGPEE | Technigen Corporation Class A |
| TGPEE | Technigen Corporation Class A (de-listed) |
| TGPEE | Technigen Corporation Class A (de-listed) |
| TGPFE | Technigen Corporation Class B |
| TGPFE | Technigen Corporation Class B (de-listed) |
| TGPFE | Technigen Corporation Class B (de-listed) |
| TGSI | Trans Global Services, Inc. |
| TGSI | Trans Global Services, Incorporated (de-listed) |
| TGSI | Trans Global Services, Incorporated (de-listed) |
| THBC | Troy Hill Bancorp, Inc. |