| GRDC | Geographic Resources for Development Center 
| Others |
| GRDC | Geological Research and Development Center
| Others |
| GRDC | Geological Research and Development Centre
| Others |
| GRDC | Georgian Reconstruction and Development Company
| Others |
| GRDC | Ginetta Racing Drivers Club
| Others |
| GRDC | Global Runoff Data Centre
| Others |
| GRDC | Gold River Discovery Center
| Others |
| GRDC | Goods Returned to Distribution Center
| Others |
| GRDC | Grains Research and Development Corporation
| Others |
| GRDC | Grandmont Rosedale Development Corporation
| Others |
| GRDC | Greenville Reynolds Development Corporation
| Others |