| 1 | CYO | Air Transport, Inc. | Callsign: Coyote, Name changed to ATI Jet, Inc. | USA | AVCODES |
| 2 | CYO | ATI Jet, Inc. | Callsign: Coyote, Name changed from Air Transport, Inc. | USA | AVCODES |
| 3 | CYO | Air Transport | | | ICAO1 |
| 4 | CYOB | CITY OF BERKLEY | | | SCAC3 |
| 5 | CYOC | CAREYS ON TIME COURIER INC | | | SCAC3 |
| 6 | CYOD | COMMODITY TRANSIT INC | | | SCAC4 |
| 7 | CYOE | COYOTE EXPRESS INC | | | SCAC3 |
| 8 | CYOE | COYOTE TRANSPORT | | | SCAC4 |
| 9 | CYOF | CANYON DE CHELLY FUELS | | | SCAC4 |
| 10 | CYOI | CADY OIL | | | SCAC4 |
| 11 | CYOL | CHACORYOLLACOM LTD | | | SCAC4 |
| 12 | CYON | CANYON TOURS INC | | | SCAC3 |
| 13 | CYOR | CORYS | | | SCAC3 |
| 14 | CYOS | CONROYS OIL SERVICE INC | | | SCAC4 |
| 15 | CYOT | CANYON TECHNICAL SERVICES LTD | | | SCAC4 |
| 16 | CYOU | CHOYANG LINES | | | SCAC3 |
