| 1 | FIF | Frifly S.p.A. | Callsign: Frifly, | I | AVCODES |
| 2 | FIF | Air Finland Ltd. | IATA: OF, Callsign: Air Finland, Ceased operations and declared bankrupt on 26 June 2012. | FIN | AVCODES |
| 3 | FIF | Air Finland | IATA: OF | | ICAO1 |
| 4 | FIFE | Walter Alexander and Sons (Fife) Ltd. | | GB | TRAFFIC |
| 5 | FIFF | FILBIN, W R & COMPANY | | | SCAC3 |
| 6 | FIFG | FIF LOGISTICS | | | SCAC4 |
| 7 | FIFH | F IN FAST FREIGHT | | | SCAC4 |
| 8 | FIFL | FILLMORE FREIGHT LINES, INC | | | SCAC3 |
| 9 | FIFM | FIFE MOVING & STORAGE CO | | | SCAC3 |
| 10 | FIFN | FIF N A CUSTOMS BROKERS | | | SCAC3 |
| 11 | FIFR | FIRST IN FREIGHT | | | SCAC4 |
| 12 | FIFS | FLINT INTERNATIONAL FORWARDERS LTD | | | SCAC3 |
| 13 | FIFT | FIFTY TWO WRECKER SERVICE | | | SCAC3 |
| 14 | FIFU | FLORIDA INTERNATIONAL FORWARDERS IN | | | SCAC3 |
| 15 | FIFV | FOREMOST INTL FREIGHT SERVICES CORP | | | SCAC4 |
| 16 | FIFW | FIFTH WHEEL TRUCKING INC | | | SCAC3 |
| 17 | FIFZ | FISHER FARMER ELEVATOR | | | PWRC |
