Showing 1,012 registered airlines with a combined fleet of 8,742 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Corporate Jets | CJI | 0 |
| Courier Services | CSD | 0 |
| Crow Executive Air | CWX | 0 |
| Crown Air Systems | CKR | 0 |
| Crown Airways | CRO | 0 |
| Cryderman Air Service | CTY | 0 |
| Crystal Shamrock | CYT | 0 |
| CSA Air | IRO | 20 |
| Cumberland Airways (Nicholson Air Service) | CBL | 0 |
| Custom Air Transport | CTT | 0 |