| Acronym | Definition |
|---|
| TCIG➣The Cohen International Group (UK) |
| TCIG➣Turks and Caicos Islands Government |
| TCIG➣Tribal Councils Investment Group of Manitoba Ltd. (Manitoba, Canada) |
| TCIG➣Tower Crane Interest Group (Construction Plant-Hire Association; trade association; UK) |
| TCIG➣The Clinical Innovation Group (Medical University of South Carolina; Charleston, SC) |
| TCIG➣Transportation Corridor Improvement Group (St. Louis, MO) |
| TCIG➣The Chief Information Group, Inc. (Falls Church, PA) |