English abbreviations from gccs to gcfc
- GCCS (Global Command and Control System (pronounced: geeks—IPA: giks))
- GCCS(A) (Global Command and Control System - Army)
- GCCS-A (Global Command and Control System - Army)
- GCCS-I3 (Global Command and Control System Integrated Imagery and Intelligence)
- GCCS-J (Global Command and Control System - Joint)
- GCCS-M (Global Command and Control System-Maritime)
- GCCS-N (Global Command and Control System - Navy)
- GCCT (Gladwin City/County Transit)
- GCCU (Global Community College and University)
- GCCV (Greenham and Crookham Conservation Volunteers)
- GCCW (Gulf Coast Civic Works Campaign)
- GCD (Ghana Consolidated Diamonds Ltd.)
- GCE (gun control equipment)
- GCEIC (Gulf Coast Education Initiative Consortium)
- GCEL (Georgia Compensatory Education Leaders)
- GCEU (Gold Coast Ex-Servicemen's Union)
- GCF (Greatest Common Factor)
- GCFA (Gold Coast Farmers' Association)
- GCFB (Gleaners Community Food Bank)
- GCFC (Guild of Canadian Film Composers)