| Rank | Abbreviation | Meaning |
|---|
| ***** | CGDC | Computer Game Developers Conference (became GDC In 1998)
| |
| ***** | CGDC | China Gold Corp (OTC Bulletin Board [OTCBB])
| |
| ***** | CGDC | Constance Grant Dance Centre
| |
| ***** | CGDC | Corporate Governance Development Center
| |
| ***** | CGDC | Christian Game Developers Conference
| |
| ***** | CGDC | Commission Geologique Du Canada
| |
| ***** | CGDC | Computer Game Developers Convention
| |
| **** | CGDC | Cruise Getaways Dallas Cruise
| |
| **** | CGDC | Consultative Group for Desertification Control
| |
| **** | CGDC | China Game Developer Conference
| |
| **** | CGDC | Computer Games and Digital Cultures
| |
| **** | CGDC | Cymdeithas y Gwartheg Duon Cymreig
| |
| **** | CGDC | Colorado Geospatial Data Clearinghouse
| |
| **** | CGDC | Canadian Geospatial Data Centre
| |
| *** | CGDC | Churchill Gateway Development Corporation
| |
| *** | CGDC | CHILDGUARD, CORP.
| |
| ** | CGDC | Casual Gameplay Design Competition
| |