| Acronym | Definition |
|---|
| CTSG➣Carol/Trevelyan Strategy Group |
| CTSG➣Creative Technology Services Group (Fredericksburg, VA) |
| CTSG➣Cryptographic Technology Standards and Guidance (NIST) |
| CTSG➣Chinatown Singapore (gaming clan) |
| CTSG➣Channel Tunnel Study Group (civil engineering) |
| CTSG➣Citibank Treasury Services Group |
| CTSG➣Canadian Transplant Study Group |