| 1 | FDY | Gulfstream Air Charter, Inc. | IATA: 6G, Callsign: Friendly, Name changed to Sun Air Express, LLC. | USA | AVCODES |
| 2 | FDY | Sun Air Express, LLC | IATA: 6G, Callsign: Friendly, Merged into Southern Airways Express on 07 March 2016. Name changed from Gulfstream Air Charter, Inc. | USA | AVCODES |
| 3 | FDY | Southern Airways Express, LLC | IATA: 9X, Callsign: Friendly, | USA | AVCODES |
| 4 | FDYE | FRANCISCO DELIVERY SERVICE | | | SCAC4 |
| 5 | FDYI | FLASH DELIVERY INC | | | SCAC3 |
| 6 | FDYS | FUEL DELIVERY SERVICES INC | | | SCAC4 |
| 7 | FDYV | FIRST DELIVERY SERVICE | | | SCAC4 |
