| 1 | FNO | Aeroflota del Noroeste, S.L. | Callsign: Riazor, | E | AVCODES |
| 2 | FNO | Aeroflota Del Noroeste | | | ICAO1 |
| 3 | FNOC | FINOCCHIARO TRUCK LINES | | | SCAC3 |
| 4 | FNOD | FAR NORTH DELIVERY INC | | | SCAC3 |
| 5 | FNOL | FAIRFIELD NODAL | | | SCAC4 |
| 6 | FNOR | Florida Northern R.R. Co. Inc. | 1/1994-7/2005 | | NAKINA |
| 7 | FNOR | Florida Northern R.R. Co. Inc. | 1/94-7/2000 | | NRHS |
| 8 | FNOR | FLORIDA NORTHERN RAILROAD COMPANY, INC. | | | PWRC |
| 9 | FNOR | Florida Northern Railroad | | | RSRV |
| 10 | FNOR | FLORIDA NORTHERN RAILROAD COMPANY I | | | SCAC3 |
