Caledonian Airways

Canada 3000 airlines

Canadian Airlines

Canadian Pacific (CP Air)

Caravelair

Cathay Pacific

Cayman Airways

Chartair

Chicago & Southern

China Airlines

China Eastern Airlines

China Southwest

China Yunnan Airlines

Civil Aviation Administration of China(CAAC)

Colonial Airlines

Conair US

Concorde

Condor

Conti Flug

Continental Airlines

Copa

Corendon

Crossair

Cyprus Airlines

Czechoslovan Airlines (CSA)