| 1 | FJ | Air Pacific Ltd. | ICAO: FJI, Callsign: Pacific, IATA Prefix: 260, Name changed to Air Pacific Ltd. t/a Fiji Airways w.e.f. 27 June 2013. ICAO callsign changed to Fiji | FJI | AVCODES |
| 2 | FJ | Air Pacific Ltd. t/a Fiji Airways | ICAO: FJI, Callsign: Fiji, IATA Prefix: 260, Name changed from Air Pacific Ltd. w.e.f. 27 June 2013. ICAO callsign changed from Pacific | FJI | AVCODES |
| 3 | FJA | Fiji Airlines Limited t/a Fiji Link | Callsign: Pac Sun, ICAO callsign changed to Link Fiji. Found in 2006. | FJI | AVCODES |
| 4 | FJA | Fiji Airlines Limited t/a Fiji Link | Callsign: Link Fiji, ICAO callsign changed from Pac Sun. Found in 2006. | FJI | AVCODES |
| 5 | FJAC | FARRELL, JAMES & COMPANY | | | SCAC3 |
| 6 | FJAD | FANCY, JARROD | | | SCAC4 |
| 7 | FJAI | FUERTADO, J A INC JAMAICA NY | | | SCAC3 |
| 8 | FJAT | FEDERICO, J & A TRUCKING | | | SCAC3 |
| 9 | FJAU | ALCOA FJARDAAL SF | | IS | BIC |
| 10 | FJB | Fastjet Zambia Limited | Callsign: Fastbird, | Z | AVCODES |
| 11 | FJBL | FOLEY, JOE BUS LINES (MADOC) LTD | | | SCAC3 |
| 12 | FJBQ | F J B HAULAGE CORP | | | SCAC3 |
| 13 | FJBS | FREDS F & B SERVICE CORP | | | SCAC3 |
| 14 | FJC | Falcon Jet Centre | Callsign: Falconjet, Designator FN recalled by IATA | GB | AVCODES |
| 15 | FJC | Falcon Jet Centre | IATA: FN, Callsign: Falconjet, Designator FN recalled by IATA | GB | AVCODES |
| 16 | FJC | Falcon Jet Centre | | | ICAO1 |
| 17 | FJCI | FLEMING, J CLINT INC | | | SCAC3 |
| 18 | FJCT | FLYING J CANADA TRANSPORT INC | | | SCAC4 |
| 19 | FJDT | F J D TRANSPORT INC | | | SCAC3 |
| 20 | FJDT | FARRIS, JD TRUCKING LLC | | | SCAC4 |
| 21 | FJE | Flyjet Limited | Callsign: Jetsfly, ICAO callsign changed to Envoy | GB | AVCODES |
| 22 | FJE | Flyjet Limited | IATA: Y7, Callsign: Envoy, IATA Prefix: 362, Name changed to Flyjet Limited t/a Silverjet. ICAO callsign changed from Jetsfly | GB | AVCODES |
| 23 | FJE | Flyjet Limited t/a Silver | IATA: Y7, Callsign: Envoy, IATA Prefix: 362, Name changed from Flyjet Limited. ICAO callsign changed from Jetsfly | GB | AVCODES |
| 24 | FJE | FairJets Luftverkehrs AG | Name changed to Luxavation Germany GmbH. ICAO designator changed to LXG. | D | AVCODES |
| 25 | FJE | Fanjet Express Ltd. | Callsign: Fanjet, | EAK | AVCODES |
| 26 | FJE | Silverjet | | | ICAO1 |
| 27 | FJEF | FOSTER, JEFF TRUCKING INC | | | SCAC3 |
| 28 | FJEP | FIRST JOHN ENTERPRISE | | | SCAC3 |
| 29 | FJEQ | FRETZ, JAMES E TRANSFER | | | SCAC3 |
| 30 | FJG | The New York, Susquehanna and Western Ry. Corp. | eliminated 4/1991 | | NAKINA |
| 31 | FJG | Fonda, Johnstown & Gloversville R.R. Co. (transferred to New York, Susquehanna and Western Ry. Corp.) | added 10/1988 | | NAKINA |
| 32 | FJG | Fonda, Johnstown & Gloversville R.R. Co. | 1/1975; added 4/1975; 1/1980; eliminated 10/1988 | | NAKINA |
| 33 | FJG | Fonda, Johnstown & Gloversville R.R. Co. | 1/75; added 4/75; 1/80; eliminated 10/88 | | NRHS |
| 34 | FJG | Fonda, Johnstown & Gloversville R.R. Co. (transferred to New York, Susquehanna and Western Ry. Corp.) | added 10/88 | | NRHS |
| 35 | FJG | The New York, Susquehanna and Western Ry. Corp. | eliminated 4/91 | | NRHS |
| 36 | FJG | NEW YORK, SUSQUEHANNA & WESTERN RWY. CORP. [FONDA, JOHNSTOWN & GLOVERSVILLE RAILROAD] | | | PWRC |
| 37 | FJG | Fonda, Johnstown and Gloversville Railroad | | | RSRV |
| 38 | FJG | Fonda, Johnstown & Gloversville R.R. Co | transferred to New York, Susquehanna and Western Ry. Corp. | USA | TRAFFIC |
| 39 | FJGB | FERME JACQUES GOBEIL | | | SCAC4 |
| 40 | FJGI | FLORES, JOSE G INC | | | SCAC4 |
| 41 | FJGS | FRENCH, JOHN G & SONS TRUCKING INC | | | SCAC3 |
| 42 | FJGS | FRENCH, JOHN G & SONS TRUCKING INC | | | SCAC4 |
| 43 | FJHD | F & J HAULING LTD | | | SCAC4 |
| 44 | FJHL | FISK, J HOWARD LIMOUSINE INC | | | SCAC3 |
| 45 | FJHL | FORD, JOHN A TRUCKING LTD | | | SCAC4 |
| 46 | FJHN | FRENCH, JOHN TRUCKING INC | | | SCAC4 |
| 47 | FJHT | FERGUSON, JOHN HERBERT | | | SCAC4 |
| 48 | FJI | Air Pacific Ltd. | IATA: FJ, Callsign: Pacific, IATA Prefix: 260, Name changed to Air Pacific Ltd. t/a Fiji Airways w.e.f. 27 June 2013. ICAO callsign changed to Fiji | FJI | AVCODES |
| 49 | FJI | Air Pacific Ltd. t/a Fiji Airways | IATA: FJ, Callsign: Fiji, IATA Prefix: 260, Name changed from Air Pacific Ltd. w.e.f. 27 June 2013. ICAO callsign changed from Pacific | FJI | AVCODES |
| 50 | FJI | Air Pacific | IATA: FJ | | ICAO1 |
| 51 | FJJJ | FOUR J'S LIMOUSINE SERVICE | | | SCAC3 |
| 52 | FJJJ | FOUR J'S LIMOUSINE SERVICE | | | SCAC4 |
| 53 | FJJO | FIVE J (5J) OILFIELD SERVICES LLC | | | SCAC4 |
| 54 | FJJQ | FLANAGAN, JAMES J STEVEDORES | | | SCAC3 |
| 55 | FJK | Fly Jet.kz | | KZ | AVCODES |
| 56 | FJKI | FUJIKI USA INC | | | SCAC3 |
| 57 | FJKT | FOIL, J K TRUCKING | | | SCAC3 |
| 58 | FJKU | FLORENS ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
| 59 | FJL | Fly Jinnah | IATA: 9P, Callsign: Okaab, IATA Prefix: 772, Joint venture company between the Lakson group and Air Arabia Group. | PK | AVCODES |
| 60 | FJLC | FLAME/J & L COURIER INC | | | SCAC4 |
| 61 | FJLCX | Fabrica de Jabon La Corona (Crown Soap Factory) | | MEX | TRAFFIC |
| 62 | FJLX | Big West Oil Co. | 1/1994-7/2005 | | NAKINA |
| 63 | FJLX | F.J. Lewis Petroleum Co. (Liquids Despatch Line) | 8/1920-7/1923 | | NAKINA |
| 64 | FJLX | Big West Oil Co. | 1/94-7/2000 | | NRHS |
| 65 | FJLX | *LIQUIDS DESPATCH LINE [F. J. LEWIS PETROLEUM CO.] | | | PWRC |
| 66 | FJLX | +BIG WEST OIL COMPANY | | | PWRC |
| 67 | FJLX | F.J. Lewis Petroleum (Big West Oil) | | | RSRV |
| 68 | FJM | Fly Jamaica Airways Limited | IATA: OJ, Callsign: Greenheart, Founded in 2012, Commenced operations on 14 February 2013. Ceased operations on 31 March 2019. | JA | AVCODES |
| 69 | FJMA | FARMER JOHN MEATS | | | SCAC4 |
| 70 | FJMC | F J M COMPANY INC | | | SCAC3 |
| 71 | FJMN | FLORES JIMENEZ, JESUS ALBERTO | | | SCAC4 |
| 72 | FJMT | FRUITT, JIM TRUCKING INC | | | SCAC4 |
| 73 | FJMW | FAYARD, JOHN MOVING & WAREHOUSING L | | | SCAC4 |
| 74 | FJO | Flexjet Operations Malta Limited | Callsign: Flex Malta, | M | AVCODES |
| 75 | FJOH | FREEMAN, JOHN | | | SCAC3 |
| 76 | FJOR | FJORD TRANSPORT LLC | | | SCAC4 |
| 77 | FJOY | FAITH JOURNEY | | | SCAC4 |
| 78 | FJPM | F & J PIANO MOVERS | | | SCAC3 |
| 79 | FJPS | FOREMANS, JOHN PROFESSIONAL SERVICE | | | SCAC3 |
| 80 | FJPX | F.J. Peterson, Inc. (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 81 | FJPX | FORT JAMES PENNINGTON, INC. | | | PWRC |
| 82 | FJR | Solitaire Air Ltd. Co. (d/b/a Fly Jordan) | IATA: F0, Callsign: Solitaire Air, ICAO Designaotr changed from STR | JOR | AVCODES |
| 83 | FJRA | F J R ASSOCIATES | | | SCAC3 |
| 84 | FJS | Florida Jet Service, Inc. | Callsign: Floridajet, | USA | AVCODES |
| 85 | FJS | Florida Jet Service | | | ICAO1 |
| 86 | FJSC | FESMIRE, J S HAULING INCORPORATED | | | SCAC4 |
| 87 | FJSD | FJERSTAD TRUCKING | | | SCAC4 |
| 88 | FJSI | FULKROAD, JAY & SONS INC | | | SCAC4 |
| 89 | FJSN | F & J & SONS TRUCKING | | | SCAC3 |
| 90 | FJT | Fly Jet | Callsign: Fly Jet, | I | AVCODES |
| 91 | FJT | Future Air Co., Ltd. | Callsign: Future Air, | PRC | AVCODES |
| 92 | FJTA | FOSTER, JEFF TRUCKING BROKERAGE DIV | | | SCAC4 |
| 93 | FJTG | FABIAN, JACK TRUCKING CORP | | | SCAC3 |
| 94 | FJTG | FLORES, JUAN TRUCKING | | | SCAC4 |
| 95 | FJTI | FLEMING, JOHN TRUCKING INC | | | SCAC3 |
| 96 | FJTK | F&J TRUCKING, INC | | | SCAC3 |
| 97 | FJTK | F & J TRUCKING INC | | | SCAC4 |
| 98 | FJTO | FOX, J TRANSPORT INC | | | SCAC3 |
| 99 | FJTP | FLYING J TRANSPORTATION CANADA INC | | | SCAC4 |
| 100 | FJTQ | FIORILLO, JOSEPH TRUCKING CORP | | | SCAC3 |
