sort by Rank | Alpha
| Possible Meanings | Rank |
| Carlo Gavazzi Computing Solutions | **** |
| Commonwealth Games Council for Scotland | **** |
| Council of the Great City Schools | *** |
| Cluster and Grid Computing Systems | *** |
| Center for Global Change Science | *** |
| College of Graduate and Continuing Studies | *** |
| Council of Greater City Schools | *** |
| Certified Golf Course Superintendents | ** |
| Corporate Governance Compliance Services | ** |
| Catalog of Galactic Carbon Stars | ** |
| Catalogue of Galactic Carbon Stars | ** |
| Caribbean Gift and Craft Show | ** |
| Cool Galactic Carbon Stars | ** |
| Common Ground Control Station | ** |
| Center of Gravity Control System | ** |
| Common Ground Common Sense | * |
| Common Ground Consulting Services | * |
| Center for Great Commission Studies | * |
| Council Great City Schools | * |
| Crop Growth Control System | * |
| Centaur Ground Computer System | * |
| Combustion Gas Control System | * |
| Cascadia Group Charles Sharples | * |
| Cascadia Group Charles Sharpless | * |
| Cline Groups Coin Site | * |