| Abbreviation | Definition |
|---|---|
| TIW | Telesystem International Wireless, Inc. |
| TIW | Texas Iron Works |
| TIW | Toronto Image Works |
| TIW | Townsville Industry Week |
| TIW | Transglobal Independent Wholesalers |
| TIX | Tallinn Internet eXchange |
| TIZ | Technologie- und Innovationszentrum |
| TJB | Travis J. Bumgardner, Graphic Designer |
| TJC | Tata Johnson Controls Automotive, Limited |
| TJC | The Jennifer Collection |
| TJC | The Johnston Company |
| TJC | The Joseph Company |
| TJC | Thomas James Culinary |
| TJD | Taylor's Just Desserts |
| TJD | The Junk Drawer |
| TJD | Thomas J. Davis Consulting |
| TJE | The Jewish Exchange |
| TJG | The Johnson Group |
| TJG | The Johnsson Group |
| TJG | The Joseph Group |