| 1 | CYA | Cheyenne Airways, Inc. | Callsign: Cheyenne Air, | USA | AVCODES |
| 2 | CYA | Cheyenne Airways | | | ICAO1 |
| 3 | CYA | CRYSTAL TRANSPORTATION INC | | | SCAC4 |
| 4 | CYAB | CARRY-ALL BROKERAGE INC | | | SCAC3 |
| 5 | CYAC | CARTY & CARTY INC | | | SCAC3 |
| 6 | CYAE | CYA ENTERPRISES | | | SCAC3 |
| 7 | CYAF | CITY AIR FREIGHT, INC | | | SCAC3 |
| 8 | CYAK | CARRY ALL TRUCKING INC | | | SCAC4 |
| 9 | CYAL | CARRY ALL VAN LINES | | | SCAC3 |
| 10 | CYAN | COSTLEY, ANDY TRUCKING | | | SCAC3 |
| 11 | CYAN | COUNTRY MFG | | | SCAC4 |
| 12 | CYAP | CHANEYS ASPHALT PAVING COMPANY | | | SCAC3 |
| 13 | CYAR | CAYUGA AIR FREIGHT | | | SCAC3 |
| 14 | CYAS | CLENSY & SON TRANSPORTATION | | | SCAC3 |
| 15 | CYAU | CYANCO INTERNATIONAL,LLC | | USA | BIC |
| 16 | CYAU | Cyanco International | | | RSRV |
