| 1 | FRE | Aviation Services, Ltd. d/b/a Freedom Air | IATA: FP, Callsign: Freedom, Operations suspended on 01 April 2014. | GUM | AVCODES |
| 2 | FRE | Boeing Tactical | Callsign: Freedom, ICAO callsign changed from Hornet | USA | AVCODES |
| 3 | FRE | Freedom Air | IATA: FP | | ICAO1 |
| 4 | FREA | FREEPORT TRANSPORT, INC | | | SCAC3 |
| 5 | FREA | FREEPORT TRANSPORT INDUSTRIES INC | | | SCAC4 |
| 6 | FREB | FRASER, E B INC | | | SCAC3 |
| 7 | FREB | FREEBIRD TRANSPORTATION CO INC | | | SCAC4 |
| 8 | FREC | FRECHETTE, RICHARD INC | | | SCAC4 |
| 9 | FRED | FREEDOM TRANSPORT | | | SCAC4 |
| 10 | FREF | FREEL BROS | | | SCAC3 |
| 11 | FREF | FREIGHT SYSTEMS LOGISTICS | | | SCAC4 |
| 12 | FREG | FREIGHT SPECIALISTS | | | SCAC3 |
| 13 | FREG | FREMA REFRIGERADOS | | | SCAC4 |
| 14 | FREIS | Stadt/Landkresi Freising Bus | | D | TRAFFIC |
| 15 | FREJ | FREEMAN, JACK, TRUCKING CO | | | SCAC3 |
| 16 | FREK | FARRELL TRUCKING LLC | | | SCAC4 |
| 17 | FREL | FRIESEN LIVESTOCK | | | SCAC4 |
| 18 | FREN | FRENETTE TRANSPORT INC | | | SCAC3 |
| 19 | FREN | FRENCH CREEK SEAFOOD LTD | | | SCAC4 |
| 20 | FREN | France Renouvellement | | F | TRAFFIC |
| 21 | FREQ | FREIGHTWAY CORPORATION | | | SCAC3 |
| 22 | FREQ | FREEDOM INTERNATIONAL | | | SCAC4 |
| 23 | FRER | FRERICHS FREIGHT LINES INC | | | SCAC3 |
| 24 | FRER | FRERICHS FREIGHT LINES INC | | | SCAC4 |
| 25 | FRES | FRIENDSHIP TRUCKING INC | | | SCAC3 |
| 26 | FRET | | | F | TRAFFIC |
| 27 | FRETIT | FRET Italia | | I | TRAFFIC |
| 28 | FREU | ABS INDUSTRIAL VERIFICATION, INC. | | | PWRC |
| 29 | FREU | ABS Industrial Verification | | | RSRV |
| 30 | FREU | HARAN FRERES SARL | | | SCAC4 |
| 31 | FREV | FT RECOVERY EQUITY EXCHANGE | | | SCAC4 |
| 32 | FREX | Fremont Elevator Co. | added 7/1970; eliminated 10/1974 | | NAKINA |
| 33 | FREX | Federal Refrigerator Express Co. | 7/1930 | | NAKINA |
| 34 | FREX | Fremont Elevator Co. | added 7/70; eliminated 10/74 | | NRHS |
| 35 | FREX | *EDERAL REFRIGERATOR EXPRESS CO. | | | PWRC |
| 36 | FREX | *FREMONT ELEVATOR CO. | | | PWRC |
| 37 | FREY | FREYS MOTOR EXPRESS, INC | | | SCAC3 |
| 38 | FREY | FREYA SHIPPING LIMITED | | | SCAC4 |
