| 1 | FI | Icelandair | ICAO: ICE, Callsign: Iceair, IATA Prefix: 108, | IS | AVCODES |
| 2 | FIA | Air First | | ROK | AVCODES |
| 3 | FIA | Four Island Air Ltd. (Antigua) | IATA: FX, Callsign: Islandair, Designator FX recalled by IATA | AG | AVCODES |
| 4 | FIA | FlyOne Airlines S.R.L. | IATA: 5F, Callsign: Fia Airlines, | MD | AVCODES |
| 5 | FIA | Four Island Air | | | ICAO1 |
| 6 | FIAA | FISHERS AND ARNOLD INC | | | SCAC3 |
| 7 | FIAC | FIRST AMERICAN CARRIERS INC | | | SCAC3 |
| 8 | FIAD | FELICITAE INVESTMENT LTD | | | SCAC4 |
| 9 | FIAF | FISHER CAPESPAN USA LLC | | | SCAC4 |
| 10 | FIAF | Finnish Air Force | Ilmavoimat | FIN | TRAFFIC |
| 11 | FIAG | FRONTLINE AG LLC | | | SCAC4 |
| 12 | FIAL | FORTUNATO, SHEILA | | | SCAC4 |
| 13 | FIAN | FINSA | | | SCAC4 |
| 14 | FIAP | FIRST PRIORITY | | | SCAC4 |
| 15 | FIAS | FINE ART SERVICES TRANSPORT LTD | | | SCAC3 |
| 16 | FIAT | Fiat | | I | TRAFFIC |
| 17 | FIAU | FRIO INDUSTRIAS ARGENTINAS SA | | RA | BIC |
| 18 | FIB | Freeway Iberica, S.A. | Callsign: Free Iberica, | E | AVCODES |
| 19 | FIBA | FIBA CANNING INC | | | SCAC4 |
| 20 | FIBI | FEIBUS & CO INC | | | SCAC3 |
| 21 | FIBK | FIBERMARK | | | SCAC4 |
| 22 | FIBQ | FISHER & BROTHER OF FLORIDA INC | | | SCAC3 |
| 23 | FIBQ | FITCH, R W & SON TRUCKING COMPANY | | | SCAC4 |
| 24 | FIBR | FIBER CORP | | | SCAC4 |
| 25 | FIBS | FIRSTBORN SHIPPING CO LTD NICOSIA | | | SCAC3 |
| 26 | FIBS | FISHER BAY SEAFOOD LTD | | | SCAC4 |
| 27 | FIBT | FIVE BORO TRUCKING CORP | | | SCAC3 |
| 28 | FIBT | FILIPPETTI | | | SCAC4 |
| 29 | FIBU | FLEXITANK INC. | | USA | BIC |
| 30 | FIBU | Flexitank | | | RSRV |
| 31 | FIBU | FLEXITANK INC | | | SCAC4 |
| 32 | FIBW | FIBERWERX | | | SCAC4 |
| 33 | FIC | Aerosafin, S.A. de C.V. | Callsign: Aerosafin, | MEX | AVCODES |
| 34 | FIC | Aerosafin | | | ICAO1 |
| 35 | FICA | FIRST INTERSTATE CARRIERS CORPORPOR | | | SCAC3 |
| 36 | FICA | FIVE POINT TRANSPORT LTD | | | SCAC4 |
| 37 | FICB | FINKLE, CLIFFORD B JR | | | SCAC3 |
| 38 | FICE | FALCON INTERNATIONAL CARRIERS LLC | | | SCAC4 |
| 39 | FICF | FIRST CLASS FREIGHT SERVICES | | | SCAC3 |
| 40 | FICF | FIRST CLASS FREIGHT SERVICES INC | | | SCAC4 |
| 41 | FICG | FITES TRUCKING | | | SCAC3 |
| 42 | FICH | FISCHER, ERVIN | | | SCAC3 |
| 43 | FICH | FIRST CHOICE MANUFACTURING MANSONVI | | | SCAC4 |
| 44 | FICK | FINCK, DALE C | | | SCAC3 |
| 45 | FICK | FICK, C F & SONS | | | SCAC4 |
| 46 | FICL | FINFROCK-CLEM LAND IMPROVEMENT CONT | | | SCAC3 |
| 47 | FICL | FIRST COAST LOGISTICS SERVICES INC | | | SCAC4 |
| 48 | FICM | FIC AMERICA CORPORATION | | | SCAC4 |
| 49 | FICN | FRIENDLY ICE CREAM CORPORATION | | | SCAC4 |
| 50 | FICO | FIRST CHOICE TOWING | | | SCAC3 |
| 51 | FICQ | FINCH, N E CO | | | SCAC3 |
| 52 | FICR | FREIGHT INC | | | SCAC4 |
| 53 | FICS | FICK & SONS INC | | | SCAC3 |
| 54 | FICS | FIRST INTERNATIONAL COURIER | | | SCAC4 |
| 55 | FICU | HANS FISCHER LOGISTIK AG | | CH | BIC |
| 56 | FICU | FREIGHT AWAY (IRELAND) LIMITED | | | SCAC3 |
| 57 | FICX | Frontier Industrial Corp. | 7/2005 (not listed) | | NAKINA |
| 58 | FICX | FRONTIER INDUSTRIAL CORP. | | | PWRC |
| 59 | FICX | FIC EQUIPMENT CORP | | | SCAC4 |
| 60 | FICZ | FARM & INDUSTRIAL CHEMICAL CO. | | | PWRC |
| 61 | FIDA | FIDEPAL | | | SCAC4 |
| 62 | FIDB | FISTER DISTRIBUTION INC | | | SCAC4 |
| 63 | FIDC | FIDELITY TRUCKING CORPORATION | | | SCAC3 |
| 64 | FIDE | FIDELIS SHIPPING CORPORATION | | | SCAC3 |
| 65 | FIDE | FIDELITY TRADING CO | | | SCAC4 |
| 66 | FIDF | FLETES INDUSTRIALES DEL NORTE - FIN | | | SCAC4 |
| 67 | FIDI | FIDELITY BONDED WAREHOUSE | | | SCAC3 |
| 68 | FIDJ | FIELDS, JEFF TRUCKING | | | SCAC4 |
| 69 | FIDM | FLEET INTEGRATED LOGIX INC | | | SCAC4 |
| 70 | FIDN | FIDINCO LTD | | | SCAC4 |
| 71 | FIDP | FIELDS CORPORATION | | | SCAC3 |
| 72 | FIDQ | FIDELITY MOVING CO INC | | | SCAC3 |
| 73 | FIDR | FIDERAK TRUCKING, INC | | | SCAC3 |
| 74 | FIDS | FIDELITY SHIPPING INC | | | SCAC4 |
| 75 | FIDV | FLETES INTERNACIONALES DEL BRAVO SA | | | SCAC4 |
| 76 | FIDY | FIDELITY VAN AND STORAGE COMPANY | | | SCAC3 |
| 77 | FIDY | FIDELITY TRANSPORTATION LLC | | | SCAC4 |
| 78 | FIE | Fiesta Airline | Callsign: Fiesta, | USA | AVCODES |
| 79 | FIE | FLYONE Armenia | IATA: 3F, Callsign: Armrider, IATA Prefix: 379, AOC obtained 27/10/2021. | AM | AVCODES |
| 80 | FIE | Fletchers Internationl Exports | | AUS | TRAFFIC |
| 81 | FIEC | FIFE ELECTRIC SUPPLY CO | | | SCAC3 |
| 82 | FIED | FRIESEN SEEDS LTD | | | SCAC4 |
| 83 | FIEF | FIRST ENTERPRISE FORWARDING INC | | | SCAC3 |
| 84 | FIEI | FIGMEN ENTERPRISES INC | | | SCAC3 |
| 85 | FIEM | FIELD MARKETING SERVICES INC | | | SCAC3 |
| 86 | FIEP | FINE ARTS EXPRESS INC | | | SCAC3 |
| 87 | FIEP | FIERRO PAPER INDUSTRIES LTD | | | SCAC4 |
| 88 | FIEQ | FIEDLER, DONALD T JR | | | SCAC3 |
| 89 | FIEQ | FLORIDA INTERNATIONAL ENTERPRISES I | | | SCAC4 |
| 90 | FIER | FRIENDS EXPRESS | | | SCAC3 |
| 91 | FIES | FIELD TRUCK SERVICE | | | SCAC3 |
| 92 | FIES | Fieseler: Gerhard Fieseler Werke | The Gerhard Fieseler Werke (GFW) in Kassel was a German aircraft manufacturer of the 1930s and 1940s. | D | TRAFFIC |
| 93 | FIET | FIESTA TRANSFER & STORAGE CO | | | SCAC3 |
| 94 | FIEZ | FISHER ELEVATOR | | | PWRC |
| 95 | FIF | Frifly S.p.A. | Callsign: Frifly, | I | AVCODES |
| 96 | FIF | Air Finland Ltd. | IATA: OF, Callsign: Air Finland, Ceased operations and declared bankrupt on 26 June 2012. | FIN | AVCODES |
| 97 | FIF | Air Finland | IATA: OF | | ICAO1 |
| 98 | FIFE | Walter Alexander and Sons (Fife) Ltd. | | GB | TRAFFIC |
| 99 | FIFF | FILBIN, W R & COMPANY | | | SCAC3 |
| 100 | FIFG | FIF LOGISTICS | | | SCAC4 |
