| Acronym | Definition |
|---|
| GBSC➣Galway Bay Sailing Club (Ireland) |
| GBSC➣Geraldton Building Services & Cabinets (Australia) |
| GBSC➣Green Buildings and Sustainable Cities (Italy) |
| GBSC➣Gondolbong Snowboard Club (Vermont) |
| GBSC➣Greater Boston Soaring Club (aviation) |
| GBSC➣Group of Blocks Start Code |
| GBSC➣Global Bondholder Services Corporation (New York, NY) |
| GBSC➣Great Britain Ice Hockey Supporters Club |
| GBSC➣Global Biologics Supply Chain, LLC |
| GBSC➣General Biometric Service and Consulting (Belgium) |
| GBSC➣Georgian Bay Sailing Centre (Canada) |