Showing 1,012 registered airlines with a combined fleet of 8,717 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Citationshares | FIV | 0 |
| Citibank | XCX | 0 |
| City of Bangor | XBG | 0 |
| Citylink Airlines | HSR | 0 |
| CKC Services | CKC | 0 |
| Clark Aviation | CLK | 0 |
| Clay Lacy Aviation | CLY | 12 |
| Coastal Air Transport | TCL | 0 |
| Coastal Airways | CNG | 0 |
| Cohlmia Aviation | CHL | 0 |