Canadian Coast Guard 
Children's Cancer Group 
Collectable Card Game 
Combat Communications Group 
Computer Clock Generator 
Control Clock Generator 
Crisis Coordination Group 
Cabin Configuration Guide 
Calibration Coordination Group 
Canada Communications Group 
Cancer Group 
Cancer Study Group 
Cartesian Coordinate Grid 
Catalytic Coal Gasification 
cationic colloidal gold 
Central Clock Generator 
Central Commission for Germany 
Central Connect Airlines 
cervical ganglion 
Change Control Group 
chlorcycloguanil 
Christian Churches of God 
chromic catgut suture 
clinically coherent group 
Cold Cathode Gauge 
Collectible Card Game 
Combat Cargo Group 
Combat Control Group 
Command and Control Group 
Commander, Carrier Group