| Acronym | Definition |
|---|
| GSSC➣Gauteng Shared Service Centre (South Africa) |
| GSSC➣Girl Scouts of Suffolk County (Long Island, New York) |
| GSSC➣Guelph Synchronized Swim Club (Canada) |
| GSSC➣GLAST Science Support Center (NASA) |
| GSSC➣General Security Services Corporation (Bloomington, MN) |
| GSSC➣Global South Steering Committee (various organizations) |
| GSSC➣Genesee Star Soccer Club |
| GSSC➣Gulf States Shipbuilders Consortium (est. 2006; Mobile, AL) |
| GSSC➣Global Shared Service Centre (Malaysia) |
| GSSC➣German Shepherd Schutzhund Club (dog training group; various locations) |
| GSSC➣General Support Services Contractor |
| GSSC➣Girl Scouts Susitna Council (Anchorage, AK) |
| GSSC➣Glory Shed Supporters Club (Western Australian soccer fan club) |
| GSSC➣Global SATCOM (Satellite Communications) Support Center (US DoD) |