| Abbreviation | Definition |
|---|---|
| TAC | Tomografia Assiale Computerizzata |
| TAC | Trustee Assistance Corporation |
| TACO | tal Automation of Company Operations |
| TACO | Tata Auto Components |
| TACS | Training And Consultancy Services |
| TACT | The Actors Company Theatre |
| TACT | Triangle Area Centers For Technology |
| TAD | The Associated Designers |
| TADC | Tarboro Area Development Corporation |
| TADC | Templeton Area Development Corporation |
| TADC | Terengganu Agrotech Development Corporation |
| TAEA | Transparency, Accountability, Efficiency and Agility |
| TAECO | Taikoo (Xiamen) Aircraft Engineering Co., Ltd. |
| TAFC | The Authentic Food Company |
| TAFW | Time Away From Work |
| TAG | Talal Abu-Ghazaleh |
| TAG | Thomas Aircraft Group |
| TAGOrg | Talal Abu-Ghazaleh Organization |
| TAGS | Trans Alaska Gas System |
| TAHITI | The Alien Hidden In The Incubator |