sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Government Owned Corporations Act | *** |
| Graphic Object Content Architecture | *** |
| Guardians of Castle Anthrax | *** |
| Greater Omaha Community Action | ** |
| Guaranteed Organic Certification Agency | ** |
| General Organisation of Credit Alliance | ** |
| Gander Oceanic Control Area | ** |
| Generation Only Control Areas | ** |
| Global Offset Countertrade Association | * |
| General Organization of Civil Aviation | * |
| Gallery of Creative Adventurers | * |
| Grand Ohio Condominium Association | * |
| Greater Oella Community Association | * |
| Ground Operations Control Area | * |
| Government Owned Contractor Assisted | * |