| 1 | FSD | EFS-Flugservice GmbH | Callsign: Flugservice, | D | AVCODES |
| 2 | FSD | EFS-Flugservice | | | ICAO1 |
| 3 | FSDA | FRONTIER SOUTH (DEDICATED DIVISION) | | | SCAC4 |
| 4 | FSDC | FREIGHT SOLUTIONS DIRECT LLC | | | SCAC4 |
| 5 | FSDE | FLEXCOAH SA DE CV | | | SCAC4 |
| 6 | FSDF | FOSTER, S D TRUCKING | | | SCAC4 |
| 7 | FSDI | FREIGHTSIDE INC | | | SCAC3 |
| 8 | FSDI | FONTASY SIGN & DISPLAY INC | | | SCAC4 |
| 9 | FSDK | FRISARDS TRUCKING CO INC | | | SCAC4 |
| 10 | FSDL | FOSTER SALES & DELIVERY INC | | | SCAC4 |
| 11 | FSDQ | FRASIER DEDICATED SERVICES INC | | | SCAC4 |
| 12 | FSDR | FRIONET S DE RL | | | SCAC4 |
| 13 | FSDS | FAST DELIVERY SERVICE | | | SCAC3 |
| 14 | FSDT | FROSCH DUFF TRANSPORTATION INC | | | SCAC3 |
