| Rank | Abbreviation | Meaning |
|---|
| ***** | GAPC | Geographical Area of Particular Concern
| |
| ***** | GAPC | General Assembly Planning Committee
| |
| ***** | GAPC | Gum Arabic Processing Co
| |
| ***** | GAPC | Georgia Association for Pastoral Care
| |
| **** | GAPC | General Assembly Production Centre
| |
| **** | GAPC | Gum Arabic Processing Company
| |
| **** | GAPC | Graduate Admissions and Progression Committee
| |
| **** | GAPC | Geographic Areas of Particular Concern
| |
| **** | GAPC | Global Alternative Propulsion Center
| |
| **** | GAPC | Grand Avenue Presbyterian Church
| |
| **** | GAPC | Governmental Affairs Policy Committee
| |
| *** | GAPC | Great American Photo Contest
| |
| *** | GAPC | Global Alumina Products Corporation
| |
| *** | GAPC | Gold Art Promotion Council
| |
| *** | GAPC | Global Alternative Propulsion Centre
| |
| *** | GAPC | Groupement Achats Plombiers Chauffagistes Électriciens
| |
| *** | GAPC | G A Publishing Company
| |
| *** | GAPC | Grupo de Assistência aos Portadores de Câncer
| |
| ** | GAPC | General Assembly Production Center
| |
| ** | GAPC | Graduate Assistance Policy Committee
| |
| ** | GAPC | Global AIDS Policy Coalition
| |
| ** | GAPC | General Adult Primary Care
| |
| ** | GAPC | Good Agricultural Practice Code
| |
| ** | GAPC | Georgia Alliance of Private Clubs
| |
| ** | GAPC | Greenfield Avenue Presbyterian Church
| |