| 1 | CEY | Air Century, S.A. | IATA: Y2, Callsign: Centuryflight, | DOM | AVCODES |
| 2 | CEYA | CHERRY AF | | | SCAC3 |
| 3 | CEYB | COOLEY LUMBER COMPANY | | | SCAC3 |
| 4 | CEYC | CENTURY CARRIERS INC | | | SCAC3 |
| 5 | CEYC | CENTURY CARRIERS INC | | | SCAC4 |
| 6 | CEYE | CHEYENNE CHARTER SERVICE INC | | | SCAC3 |
| 7 | CEYF | CAREY TRANSPORT | | | SCAC3 |
| 8 | CEYI | CHANEY TANK TRUCK INC | | | SCAC3 |
| 9 | CEYL | COPLEY LIMOUSINE SERVICE INC | | | SCAC3 |
| 10 | CEYM | CENTURY MOVING & DISTRIBUTION SYSTE | | | SCAC3 |
| 11 | CEYN | CHEYENNE APACHE ENTERPRISES | | | SCAC3 |
| 12 | CEYP | CEYLON SHIPPING CORPORATION | | | SCAC3 |
| 13 | CEYP | CEYLON SHIPPING CORPORATION | | | SCAC4 |
| 14 | CEYQ | CIMARRON ENERGY INC | | | SCAC4 |
| 15 | CEYT | CHEYENNE TRANSPORTATION INC | | | SCAC3 |
| 16 | CEYT | CEYCAN LOGISTICS SOLUTIONS INC. | | | SCAC4 |
| 17 | CEYV | COBRA ENERGY SERVICES | | | SCAC4 |
| 18 | CEYW | CENTROCOM LTD | | | SCAC4 |
