| Abbreviation | Definition |
|---|---|
| TG | Tredegar Industries, Inc. |
| TGG | Templeton Global Government Trust, Inc. |
| TGH | Trigon Healthcare, Inc. |
| TGI | Triumph Group, Inc. |
| TGL | Triangle Bancorp, Inc. |
| TGN | Trigen Energy Corporation |
| TGNA | TEGNA (an anagram of'' Gannett'' - founder of the company) |
| TGNA | TEGNA (an anagram of'' Gannett'' - founder of the company) |
| TGO | Teleglobe, Inc. |
| TGP | Georgia Pacific Corporation |
| TGS | Transportadora de Gas S. A. de C. V. |
| TGT | Target Corporation |
| TGX | Theragenics Corporation |
| THC | Tenet Healthcare |
| THC | Tenet Healthcare Corporation |
| THO | Thor Industries, Inc. |
| THW | Tag Heuer International, S. A. |
| THX | Houston Exploration Company |
| TI | Telecom Italia, SPA. |
| TIE | Titanium Metals Corporation |