| 1 | FSN | Fasons Air Services | Callsign: Fason Air, | WAN | AVCODES |
| 2 | FSN | Flight Plan Solutions | | USA | AVCODES |
| 3 | FSNB | FASON BROTHERS TRUCKING | | | SCAC4 |
| 4 | FSNE | FREESTONE EXPRESS | | | SCAC3 |
| 5 | FSNG | FR EIGHT (FR8) SINGAPORE PTE LTD | | | SCAC4 |
| 6 | FSNH | FATHER & SON BROKERAGE LLC | | | SCAC4 |
| 7 | FSNI | FABER & SON TRUCKING | | | SCAC4 |
| 8 | FSNK | FRANSEN TRUCKING | | | SCAC4 |
| 9 | FSNL | FREEZE SAWMILL & LUMBER CO | | | SCAC3 |
| 10 | FSNR | FIRESTONE NATURAL RUBBER COMPANY LL | | | SCAC4 |
| 11 | FSNT | FRIERSON TRUCKING | | | SCAC3 |
| 12 | FSNT | FROST TRANSPORTATION | | | SCAC4 |
| 13 | FSNU | Firestone Natural Rubber | | | RSRV |
| 14 | FSNU | FIRESTONE NATURAL RUBBER COMPANY LL | | | SCAC4 |
