| 1 | JA | Air Bosna | ICAO: BON, Callsign: Air Bosna, IATA Prefix: 995, Name changed to B & H Airlines June 2005. Suspended operations on 05 Septmeber 2003. Re-started | BIH | AVCODES |
| 2 | JA | Norways Airlines | ICAO: NOS, | N | AVCODES |
| 3 | JA | Regionair | ICAO: RGL, Callsign: Regair, Ceased operations in 1990. | GB | AVCODES |
| 4 | JA | Scimitar Airlines Ltd. | Declared bankrupt on 23 December 1981. | GB | AVCODES |
| 5 | JA | Jetair, Luftfahrt-Verwaltungsgellschaft | ICAO: JAG, Callsign: Jetair, | D | AVCODES |
| 6 | JA | Club Air | ICAO: CLS, Callsign: Irish Club, | IRL | AVCODES |
| 7 | JA | Jagson Airlines Limited | ICAO: JGL, Callsign: Jagson, | IND | AVCODES |
| 8 | JA | B & H Airlines | ICAO: BON, Callsign: BH Airlines, Suspended operations on 11 June 2015. Founded in 1994 as Air Bosna. Name changed in June 2005. | BIH | AVCODES |
| 9 | JA | JetSMART SpA | ICAO: JAT, Callsign: Rocksmart, | RCH | AVCODES |
| 10 | JA | Japanese Army | | J | TRAFFIC |
| 11 | JAA | Japan Asia Airways Co. Ltd. | IATA: EG, Callsign: Asia, IATA Prefix: 688, Ceased operations on 31 March 2008. | J | AVCODES |
| 12 | JAA | Jet Asia Airways Company Limited dba Jet Asia | IATA: JF, Callsign: Jet Asia, IATA Prefix: 884, Ceased operations during September 2020. | T | AVCODES |
| 13 | JAA | Japan Asia Airways | IATA: EG | | ICAO1 |
| 14 | JAA | Japan Asia Airways | | J | TRAFFIC |
| 15 | JAAC | JAMES MOVERS & STORAGE INC | | | SCAC4 |
| 16 | JAAD | J & A TRANSPORTATION LLC | | | SCAC4 |
| 17 | JAAJ | Järnvägssällskapet Åmål-Årjängs Järnväg | | SE | VKM |
| 18 | JAAL | JADE SKY LOGISTICS CORP | | | SCAC4 |
| 19 | JAAN | J A A R LLC | | | SCAC4 |
| 20 | JAAO | JUAREZ ALVARADO, ALFREDO | | | SCAC4 |
| 21 | JAAQ | JAAT TRANSPORT INC | | | SCAC4 |
| 22 | JAAR | JAMES GLOBAL LOGISTICS INC | | | SCAC4 |
| 23 | JAAT | JetAsia Airways | Real: JAA | T | TRAFFIC |
| 24 | JAAU | JORDAN BROMINE COMPANY LIMITED | | JOR | BIC |
| 25 | JAAU | JORDAN BROMINE COMPANY | | | PWRC |
| 26 | JAAU | Jordan Bromine | | | RSRV |
| 27 | JAAU | JORDAN BROMINE COMPANY LIMITED | | | SCAC4 |
| 28 | JAB | Juan Air (!979) Ltd. | Callsign: Juan Air, | CDN | AVCODES |
| 29 | JAB | Jet Business Airlines | Callsign: Jet Business, | B | AVCODES |
| 30 | JAB | Air Bagan Limited | IATA: W9, Callsign: Air Bagan, IATA Prefix: 017, Designator W9* recalled by IATA | MYA | AVCODES |
| 31 | JAB | Air Bagan Limited | Callsign: Air Bagan, Designator W9* recalled by IATA | MYA | AVCODES |
| 32 | JAB | Air Bagan | IATA: W9 | | ICAO1 |
| 33 | JAB | J & A Brown (coal mining) | | AUS | TRAFFIC |
| 34 | JABB | JOHAL NATIONAL INC | | | SCAC4 |
| 35 | JABC | J A B LOGISTICS INC | | | SCAC4 |
| 36 | JABE | JAMES CARTAGE CO INC | | | SCAC4 |
| 37 | JABH | JA-LYN FARMS LTD | | | SCAC4 |
| 38 | JABL | JACKSON TRANSPORTATION SERVICES INC | | | SCAC4 |
| 39 | JABM | J&B MURPHY TRUCKING, INC | | | SCAC1 |
| 40 | JABO | JAMERSON BROTHERS TRUCKING COMPANY | | | SCAC4 |
| 41 | JABP | JABEZ EXPEDITING & LOGISTICS CO | | | SCAC4 |
| 42 | JABQ | JAGRUP ENTERPRISES LTD | | | SCAC4 |
| 43 | JABR | J A B TRUCKING | | | SCAC4 |
| 44 | JAC | Japan Air Commuter Co. Ltd. | IATA: 3X, Callsign: Commuter, IATA designator changed to JC. | J | AVCODES |
| 45 | JAC | Japan Air Commuter Co. Ltd. | IATA: JC, Callsign: Commuter, IATA designator changed from 3X. | J | AVCODES |
| 46 | JAC | Japan Air Commuter | | | ICAO1 |
| 47 | JACC | JACKSON CARTAGE CO | | | SCAC1 |
| 48 | JACEK | PPHU Jacek Surdyk | | PL | VKM |
| 49 | JACF | J A C 'S EXPRESS LIMITED LIABILITY | | | SCAC4 |
| 50 | JACH | JAC | | | SCAC4 |
| 51 | JACI | JACINTO TRANSPORT | | | SCAC4 |
| 52 | JACJ | JTI TRANSPORTATION INC | | | SCAC4 |
| 53 | JACL | JACQUIN, CHARLES ET CIE INC | | | SCAC4 |
| 54 | JACN | JACOBSON TRANSPORT INC | | | SCAC4 |
| 55 | JACO | JACKSON, H L & SON | | | SCAC4 |
| 56 | JACS | JACKS TRUCKING LLC | | | SCAC4 |
| 57 | JACT | J A C TRUCKING LLC | | | SCAC4 |
| 58 | JACU | ALPHA SHIPPING AGENCY (PTY) LTD | | ZA | BIC |
| 59 | JACV | JACKSON OIL AND SOLVENTS INC | | | SCAC4 |
| 60 | JACW | JACOBSON, W TRUCKING | | | SCAC4 |
| 61 | JACX | Johnstown America Corp. | added 7/1992; 1/1994-7/2005 | | NAKINA |
| 62 | JACX | Johnstown America Corp. | added 7/92; 1/94-7/2000 | | NRHS |
| 63 | JACX | JOHNSTOWN AMERICA CORPORATION | | | PWRC |
| 64 | JACX | Johnstown America Corporation | | | RSRV |
| 65 | JACX | JOHNSTOWN AMERICA CORPORATION | | | SCAC4 |
| 66 | JACY | JASON MARITIME INC | | | SCAC4 |
| 67 | JAD | Aerojal, S.A. de C.V. | Callsign: Aerojal, | MEX | AVCODES |
| 68 | JAD | Air Arabia Jordan | IATA: 9P, Callsign: Arabia Jordan, Ceased operatsions during April 2018. Joint venture between Air Arabia/RUM Group. Commenced operations on 19 May 2015. Name changed from Petra Airlines. ICAO Designator changed from PTR. | JOR | AVCODES |
| 69 | JAD | Aerojal | | | ICAO1 |
| 70 | JADD | JAMED DE MEXICO SA DE CV | | | SCAC4 |
| 71 | JADE | JADE LINE HOLDINGS LTD | | | SCAC4 |
| 72 | JADF | JADE EXPRESS INC | | | SCAC4 |
| 73 | JADN | JADEN 2005 LIMITED | | | SCAC4 |
| 74 | JADP | J A D POWER TRANSPORT INC | | | SCAC4 |
| 75 | JADR | J A D E TRUCKING INC | | | SCAC4 |
| 76 | JADT | J A D TRANSPORT CORP | | | SCAC4 |
| 77 | JADU | JAYDEX CONTAINERS PTE LTD. | | SGP | BIC |
| 78 | JADV | JADE TRANSPORTATION SERVICES | | | SCAC4 |
| 79 | JADX | Hellerworx, Inc. | 7/2005 (not listed) | | NAKINA |
| 80 | JADX | HELLERWORX, INC. | | | PWRC |
| 81 | JADX | HELLERWORX INC | | | SCAC4 |
| 82 | JAE | Jade Cargo International Company Limited | IATA: JI, Callsign: Jade Cargo, IATA Prefix: 189, Founded in 2004. Ceased operations on 31 December 2011. Joint venture between Shenzhen Airlines and Lufthansa Cargo | PRC | AVCODES |
| 83 | JAE | Jade Cargo International | | | ICAO1 |
| 84 | JAE | Jade Cargo International | | PRC | TRAFFIC |
| 85 | JAEB | JASON EXPRESS, INC | | | SCAC1 |
| 86 | JAEB | JASON EXPRESS INC | | | SCAC4 |
| 87 | JAEF | JAE FOREST LOGGING LLC. | | | SCAC4 |
| 88 | JAEG | JAMISON ENERGY | | | SCAC4 |
| 89 | JAEK | JAEKEL, GEO INC | | | SCAC4 |
| 90 | JAEW | JAEGLE, WILLIAM J | | | SCAC4 |
| 91 | JAEY | JAELYN CORPORATION | | | SCAC4 |
| 92 | JAF | Jetalliance Flugbetriebs AG | Callsign: Jetalliance, ICAO designator changed to JAG | A | AVCODES |
| 93 | JAF | TUI Airlines Belgium S.A/N.V. t/a Jetairfly | IATA: TB, Callsign: Beauty, Name changed to TUI Airlines Belgium NV t/a TUI fly Belgium w.e.f. 19 October 2016. Name changed from TUI Airlines Belgium. ICAO code changed from TUB w.e.f. 31 October 2006. | B | AVCODES |
| 94 | JAF | TUI Airlines Belgium NV t/a TUI fly Belgium | IATA: TB, Callsign: Beauty, Name changed from TUI Airlines Belgium t/a Jetairfly w.e.f. 19 October 2016. Name changed from TUI Airlines Belgium. ICAO code changed from TUB w.e.f. 31 October 2006. | B | AVCODES |
| 95 | JAF | Jetairfly | IATA: JF | | ICAO1 |
| 96 | JAFD | JOES AIB FREIGHT PICKUP & | | | SCAC4 |
| 97 | JAFE | JAFETT SHIPPING INC | | | SCAC4 |
| 98 | JAFG | J & A FREIGHT SYSTEMS INC | | | SCAC4 |
| 99 | JAFI | J A FRATE INC | | | SCAC4 |
| 100 | JAFN | JAF (DIV OF TFI TRANSPORT 3) | | | SCAC4 |
