| Abbreviation | Definition |
|---|---|
| TRAC | Toyota Rent A Car |
| TRAC | Twyning Recreation Amenity Complex |
| TRACO | Trainer Corporation |
| TRADPROF | Traducciones Profesionales |
| TRAE | Triton American Energy Corporation |
| TRAMOC | Transport Management and Operations Centre |
| TRANCO | TRust ANd COoperation |
| TransCo | Transmission Corporation |
| TRANSCOP | Transnational Corporation of Nigeria |
| TRBC | Thomson Reuters Business Classification |
| TRBF | Thomas R Brown Foundations |
| TRBF | Tropen und Reisemedizinische Beratung Freiburg |
| TRBG | The Red Building Group |
| TRBN | The Rugby Business Network |
| TRBN | Tim Reformasi Birokrasi Nasional |
| TRBP | Thames River Basin Partnership |
| TRC | Technical Rubber Company |
| TRC | Technology Research Corporation |
| TRC | Technology Resource Center |
| TRC | The Record Company |