Czech Gas Association (formerly Czech Gas and Oil Association)
Controlled Gain Amplifier
Concord Grape Association
Configurable Gate Array
Credit Guarantee Assurance
Central of Georgia Railway Company
Congressional Golfers Association
Cornhole Game Association
Conditional Gaussian Approximation
Computer Graphics Architect
Caractérisation et Gestion de l'Atmosphère (French: Characterization and Management of the Atmosphere; degree program; University of Lyon; Lyon, France)