| 1 | FFT | Frontier Airlines, Inc. | IATA: F9, Callsign: Frontier Flight, IATA Prefix: 422, | USA | AVCODES |
| 2 | FFT | Frontier Airlines | IATA: F9 | | ICAO1 |
| 3 | FFTA | FIRST FREIGHT TRANSPORT INC | | | SCAC3 |
| 4 | FFTA | FIRST FREIGHT TRANSPORT INC | | | SCAC4 |
| 5 | FFTD | FITZGERALD, FRED TRUCKING | | | SCAC4 |
| 6 | FFTE | FAMILIES FIRST TRANSPORTATION INC | | | SCAC4 |
| 7 | FFTF | FIFTY FIVE (55) TRANSFER & STORAGE | | | SCAC3 |
| 8 | FFTG | FIFE, FRED TRUCKING | | | SCAC3 |
| 9 | FFTG | F & F TRUCKING | | | SCAC4 |
| 10 | FFTI | FIRSTFLEET INC | | | SCAC3 |
| 11 | FFTI | FIRSTFLEET INC | | | SCAC4 |
| 12 | FFTL | FFE TRANSPORTATION (LTL DIVISION) | | | SCAC4 |
| 13 | FFTM | F F TRUCK | | | SCAC3 |
| 14 | FFTM | FORTIS TRANSPORT INC | | | SCAC4 |
| 15 | FFTN | F & F TRUCKING COMPANY INC | | | SCAC3 |
| 16 | FFTO | FRESH FOOD TRANSPORT INC | | | SCAC3 |
| 17 | FFTP | F & F TRANSPORT INC | | | SCAC4 |
| 18 | FFTT | FAST FUEL TRANSPORT SERVICE | | | SCAC4 |
| 19 | FFTU | FLAX FIELD TRADING B.V. (TANKCONTAINER ENGINEERING & SALES) | | NL | BIC |
| 20 | FFTX | Fun Trains, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 21 | FFTX | Fun Trains, Inc. | Jul-00 | | NRHS |
| 22 | FFTX | FUN TRAINS INCORPORATED (OPERATORS OF THE FLORIDA FUN TRAIN) | | | PWRC |
| 23 | FFTX | Fun Trains Inc. | | | RSRV |
| 24 | FFTX | FUN TRAINS INC | | | SCAC4 |
| 25 | FFTY | FIFTY (50) TAXI INC | | | SCAC3 |
