| Acronym | Definition |
|---|
| CSSG➣Combat Service Support Group (USMC) |
| CSSG➣Creative Services Support Group (India) |
| CSSG➣Communications Software Solutions Group (Tekelec) |
| CSSG➣Cultural Studies Study Group (website) |
| CSSG➣Complex Systems and Simulations Group (Massey University, New Zealand) |
| CSSG➣Competition Strategy Steering Group |
| CSSG➣Centrum Szkolenia Strazy Granicznej (Polish: Border Guard Training Center) |
| CSSG➣College Supreme Student Government |