| 1 | FLP | Aeroclub Flaps | Callsign: Aeroclub Flaps, | E | AVCODES |
| 2 | FLP | FL140 Parachutisme Bordeaux | Callsign: Parapro, | F | AVCODES |
| 3 | FLP | | | | ICAO1 |
| 4 | FLP | Ferrovia Lugano-Ponte Tresa | | CH | TRAFFIC |
| 5 | FLP | Ferrovie Luganesi (Ferrovia Lugano - Ponte Tresa) | | CH | VKM |
| 6 | FLPC | FILE SHIPPING CO LTD LONDON ENGLAND | | | SCAC3 |
| 7 | FLPE | FLOTA PETROLERA ECUATORIANA | | | SCAC3 |
| 8 | FLPE | FLOTA PETROLERA ECUATORIANA | | | SCAC4 |
| 9 | FLPG | FORTNER L P GAS CO INC | | | SCAC4 |
| 10 | FLPI | FLIPPEN, E D TRUCKING | | | SCAC3 |
| 11 | FLPK | FLORA PACK INC | | | SCAC4 |
| 12 | FLPO | FALCONER GLASS CORP | | | SCAC3 |
| 13 | FLPP | FLIPPENCE TRUCKING INC | | | SCAC4 |
| 14 | FLPQ | FINE LINE PACIFIC LLC | | | SCAC4 |
| 15 | FLPS | FERELPIS SHIPPING LIMITED | | | SCAC3 |
| 16 | FLPS | FERELPIS SHIPPING LIMITED | | | SCAC4 |
| 17 | FLPT | FLIPPO TRANSPORT SERVICES INC | | | SCAC3 |
| 18 | FLPU | FLUMAR PARAGUAY, S.A. | | | SCAC3 |
| 19 | FLPX | Fidelity Petroleum Co. | 8/1920 | | NAKINA |
| 20 | FLPX | FIDELITY PETROLEUM CO. | | | PWRC |
| 21 | FLPZ | FRUITLAND LOUISIANA POWER PLANT | | | PWRC |
