| CCCCC | Cape Cod Classic Car Club 
| Others |
| CCCCC | Cape Cod Climate Change Collaborative
| Others |
| CCCCC | Caribbean Community Climate Change Center
| Others |
| CCCCC | Caribbean Community Climate Change Centre
| Others |
| CCCCC | Cloud City Cruisers Car Club
| Others |
| CCCCC | Colorado Child Care Contribution Credit
| Others |
| CCCCC | Copy Corrupt Copyright Circulate Control
| Others |
| CCCCC | Corporal Christopher Condor Cargo Chief
| Others |
| CCCCC | Cosmic Construction Catalysis and Colonisation
| Others |