Airlines
| Airline Name | Country | IATA Code | ICAO | AWB Prefix |
|---|---|---|---|---|
| Caribbean Star Airlines | Antigua And Barbuda | 8B | GFI | |
| Cobham Aviation Services | Australia | NC | NJS | |
| Compass Airlines | Australia | CYM | 612 | |
| Carib Express | Barbados | BCB | ||
| Cargo B | Belgium | BB | CBB | 600 |
| Challengair | Belgium | CHG | ||
| City Bird Airlines | Belgium | H2 | CTB | |
| Cruizeiro (Servicos Aereos Cr. Do Sol) | Brazil | SC | CRZ | |
| Cargo Air | Bulgaria | CGF | ||
| Cargo Airways International | Cameroon | |||
| Canadian North | Canada | 5T | MPE | 518 |
| Canadian Regional Airlines | Canada | CDR | ||
| CanAir Cargo | Canada | WW | CWW | |
| Canjet Airlines | Canada | C6 | CJA | |
| Cargojet Airways | Canada | W8 | CJT | 489 |
| Central Mountain Air | Canada | 9M | GLR | 634 |
| Calm Air International ltd | Canada | MO | CAV | 622 |
| Conair Aviation | Canada | CRC | ||
| Canadian Airlines International | Canada | CP | CDN | 18 |
| Cabo Verde Express | Cape Verde | CVE |