| 1 | JO | Japan Air Charter Co. Ltd. | ICAO: JAZ, IATA Prefix: 708, IATA designator changed from JZ* | J | AVCODES |
| 2 | JO | Japan Air Charter Co. Ltd. | ICAO: JAZ, IATA Prefix: 708, Change of name to JALWays | J | AVCODES |
| 3 | JO | JALWays Co. Ltd. | ICAO: JAZ, Callsign: Jalways, IATA Prefix: 708, JALways Co., Ltd. has been integrated into Japan Airlines International Co., Ltd. on 01 December 2010. Change of name from Japan Air Charter Co., Ltd. ICAO callsign changed from J-ways | J | AVCODES |
| 4 | JO | JALWays Co. Ltd. | ICAO: JAZ, Callsign: J-Ways, IATA Prefix: 708, Change of name from Japan Air Charter Co., Ltd. ICAO callsign changed to Jalways | J | AVCODES |
| 5 | JO | Aeronaves del Oeste, S.A. | | MEX | AVCODES |
| 6 | JO | S.A.T. Fluggesellschaft mbH | ICAO: DST, Callsign: Joker, Name changed to Germania Fluggesellschaft. ICAO designator changed to GFG | D | AVCODES |
| 7 | JO | Germania Fluggesellschaft | ICAO: GFG, Callsign: Joker, ICAO designator changed to GMI. Name changed from S.A.T. Fluggesellschaft mbH. ICAO designator changed from DST | D | AVCODES |
| 8 | JO | Royal Wings | ICAO: RYW, Callsign: Royal Wings, Founded 01 January 1996. IATA Desginator changed from RY*. ICAO designator changed to RYW. ICAO designator changed from RWA | JOR | AVCODES |
| 9 | JO | Jasmin Airways | ICAO: JAW, Callsign: Jasmine, | TN | AVCODES |
| 10 | JOA | Air Swift Aviation (PTY) Ltd. | IATA: KJ, Designator KJ recalled by IATA | AUS | AVCODES |
| 11 | JOA | Air Swift Aviation | | | ICAO1 |
| 12 | JOAD | JOHNSTONE TANK TRUCKING LTD | | | SCAC4 |
| 13 | JOAH | JOANDE HOLDINGS LTD | | | SCAC4 |
| 14 | JOAI | JOSEPH, J LIVESTOCK LTD | | | SCAC4 |
| 15 | JOAJ | J O A TRANSPORT INC | | | SCAC4 |
| 16 | JOAL | JOHNSON, ALVIN TRUCKING INC | | | SCAC4 |
| 17 | JOAN | JBR TRANSPORT LTD | | | SCAC4 |
| 18 | JOAO | JOHNSON, FLOYD ROBERT | | | SCAC4 |
| 19 | JOAR | JOHNSON GLOBAL MEDICAL PRODUCTS INC | | | SCAC4 |
| 20 | JOAY | J O TRANSPORT | | | SCAC4 |
| 21 | JOB | Aerojobeni, S.A. de C.V. | Callsign: Jobeni, | MEX | AVCODES |
| 22 | JOB | Aerojobeni | | | ICAO1 |
| 23 | JOBA | JOB TRANS LLC | | | SCAC4 |
| 24 | JOBB | JOBBERS MOVING & STORAGE CO (MINOT | | | SCAC4 |
| 25 | JOBC | JOB CONST CO INC | | | SCAC4 |
| 26 | JOBE | JONES MARINE SERVICES LTD | | | SCAC4 |
| 27 | JOBG | JOLIETTE AG SYSTEMS INC | | | SCAC4 |
| 28 | JOBN | JOB LEASING INC | | | SCAC4 |
| 29 | JOBU | JOBACHEM GMBH | | D | BIC |
| 30 | JOBX | Tealinc Ltd. | 7/2005 (not listed) | | NAKINA |
| 31 | JOBX | TEALINC, LTD. | | | PWRC |
| 32 | JOBX | Tealinc | | | RSRV |
| 33 | JOBX | TEALINC LIMITED | | | SCAC4 |
| 34 | JOC | Just-Us Air S.r.l. | {`Callsign: Just Us, AOC received April 2018. Name changed to Dan Air )AOC) S.r.l.`};SRCKEY=AVCODES | RO | |
| 35 | JOC | Dan Air (AOC) S.r.l. | IATA: DN, Callsign: Just Us, Name changed from Just-Us Air S.r.l. | RO | AVCODES |
| 36 | JOCA | JOYCE CARRIERS INC | | | SCAC4 |
| 37 | JOCB | JOYCE OIL COMPANY INC | | | SCAC4 |
| 38 | JOCD | JOHNNYS OIL CO | | | SCAC4 |
| 39 | JOCK | JOCK, WALTER E OIL CO INC | | | SCAC4 |
| 40 | JOCL | JOHNSON OIL COMPANY | | | SCAC4 |
| 41 | JOCS | JAMES OIL CO | | | SCAC4 |
| 42 | JOCY | JOHNSON OILFIELD COMPANY LTD | | | SCAC4 |
| 43 | JOCZ | JONES COUNTY | | | PWRC |
| 44 | JODD | JODELLE DESIGN | | | SCAC4 |
| 45 | JODI | JONES OIL DISTRIBUTORS INC | | | SCAC4 |
| 46 | JODP | JODI EXPRESS INC | | | SCAC4 |
| 47 | JOE | Jet-Ops Europe Ltd | Callsign: Jet-Europe, | BG | AVCODES |
| 48 | JOEA | JOHNNYS OIL & HEATING INC | | | SCAC4 |
| 49 | JOEE | JOE'S TRUCKING | | | SCAC4 |
| 50 | JOEG | JOES TRUCKING INC | | | SCAC4 |
| 51 | JOEL | JOELS VAN SERVICE INC | | | SCAC4 |
| 52 | JOEM | JOES MOVING & STORAGE INC | | | SCAC4 |
| 53 | JOEN | JONES, LARRY TRUCKING LLC | | | SCAC4 |
| 54 | JOERG | Jörger GmbH | | DE | VKM |
| 55 | JOET | JONES TRANSPORTATION INC | | | SCAC4 |
| 56 | JOFS | JOMAR FREIGHT DELIVERY INC | | | SCAC4 |
| 57 | JOFZ | JOHNSON FEED, INC. | | | PWRC |
| 58 | JOGM | JONES, G M TRANSPORT INC | | | SCAC4 |
| 59 | JOGX | JOINTA GALUSHA, LLC | | | PWRC |
| 60 | JOGX | JOINTA GALUSHA LLC | | | SCAC4 |
| 61 | JOHA | JOHNSON OIL OF HALLOCK INC | | | SCAC4 |
| 62 | JOHC | JOHNCOX TRUCKING INC | | | SCAC4 |
| 63 | JOHF | JOHANSEN TRUCK LINE INC | | | SCAC4 |
| 64 | JOHN | JOHNSON AGRO LTD | | | SCAC4 |
| 65 | JOHNSON | Johnson County Transit | | USA | TRAFFIC |
| 66 | JOHQ | JOHNNYS DELIVERY SERVICE & PDQ | | | SCAC4 |
| 67 | JOHR | JOHANS TRUCKING INC | | | SCAC4 |
| 68 | JOHS | JOHNSON AND SUNRISE OIL | | | SCAC4 |
| 69 | JOIQ | OROZCO, JOHN INDUSTRIAL HANDLING | | | SCAC3 |
| 70 | JOIT | JOINER TRANSPORTATION COMPANY | | | SCAC1 |
| 71 | JOIW | JUSTIN OIL INC | | | SCAC4 |
| 72 | JOJK | JONES, JULIO KENNETH | | | SCAC4 |
| 73 | JOKL | JOHNSON, KYLE | | | SCAC4 |
| 74 | JOKN | JOHNSON, KEN TRUCKING LTD | | | SCAC4 |
| 75 | JOKO | Shin Joban Kotsu (New Joban Transportation) | | J | TRAFFIC |
| 76 | JOKU | CLW GROUP OY | | FIN | BIC |
| 77 | JOKU | METRONOME SERVIZI INTERMODALI SPA | | | SCAC4 |
| 78 | JOL | Atyrau Aue Joly | IATA: IP, Callsign: Edil, IATA Prefix: 312, On 13 July 2009, Atyrau Airways was included in the List of air carriers banned in the European Union. Shortly thereafter (in October 2009), its airline license was revoked. | KZ | AVCODES |
| 79 | JOL | Atyrau Air Ways | IATA: IP | | ICAO1 |
| 80 | JOLD | JOLDAN BILLIARDS | | | SCAC4 |
| 81 | JOLF | JOLLIFF TRANSPORTATION, INC | | | SCAC1 |
| 82 | JOLIET | Joliet Mass Transit District | | CDN | TRAFFIC |
| 83 | JOLO | JAMES OIL CO | | | SCAC4 |
| 84 | JOLU | NEXXUS LEASING CO LTD | | | SCAC4 |
| 85 | JOMA | JO-MAA TRANSPORTATION | | | SCAC4 |
| 86 | JOML | JOMI LLC | | | SCAC4 |
| 87 | JOMO | Jomo Railway | | J | TRAFFIC |
| 88 | JOMR | JOMAR BULK CARRIERS INC | | | SCAC4 |
| 89 | JOMU | Jomu Railway | Passenger traffic ended in 1972, line closed in 1986. | J | TRAFFIC |
| 90 | JOMV | JONES & SONS MOVING & STORAGE CO | | | SCAC4 |
| 91 | JOMX | JOMINCO, LLC | | | PWRC |
| 92 | JOMX | JOMICO LLC | | | SCAC4 |
| 93 | JON | Johnsons Air Limited | Callsign: Johnsonsair, | GH | AVCODES |
| 94 | JON | JOON | IATA: JN, Callsign: Joon, Merged back into Air France on 27 June 2019. Founded on 20 July 2017. Subsidary of Air France. Commenced operatioons on 01 December 2017. | F | AVCODES |
| 95 | JON | Jonair Affärsflyg AB | | S | AVCODES |
| 96 | JON | Johnsons Air | | | ICAO1 |
| 97 | JONA | JONAS, JIM INC | | | SCAC4 |
| 98 | JONB | JONES MOTOR LOGISTICS INC | | | SCAC4 |
| 99 | JONCK | VDL Jonckheere | | B | TRAFFIC |
| 100 | JOND | JONDA ENTERPRISE INC | | | SCAC4 |
