| 1 | JN | Excel Airways | ICAO: XLA, Callsign: Expo, IATA Prefix: 812, Name changed to XL Airways UK Limited w.e.f. 23 November 2006. Name changed from Sabre Airways Ltd w.e.f. 01 November 2000. ICAO designator changed from SBE. ICAO callsign changed from Sabre | GB | AVCODES |
| 2 | JN | Rich International Airways, Inc. | ICAO: RIA, Callsign: Richair, | USA | AVCODES |
| 3 | JN | Sabre Airways Ltd. | ICAO: SBE, Callsign: Sabre, Started operations on 17 December 1994. Name changed to Excel Airways 29 December 2000. ICAO designator changed to XLA. Was using TJ unofficially. | GB | AVCODES |
| 4 | JN | Avia Jaynar, Air Company LLC | ICAO: SAP, Callsign: Tobol, | KZ | AVCODES |
| 5 | JN | John Nurminen Oy | Callsign: Nurminenair, | FIN | AVCODES |
| 6 | JN | XL Airways UK Limited | ICAO: XLA, Callsign: Expo, IATA Prefix: 812, Ceased operations on 12 September 2008. Name changed from Excel Airways w.e.f. 30 November 2006. Name changed from Sabre Airways Ltd w.e.f. 01 November 2000. ICAO designator changed from SBE. ICAO callsign changed from Sabre | GB | AVCODES |
| 7 | JN | New Livingston S.p.A. | ICAO: NLV, Callsign: Seagull, Ceased Operations on 06 October 2014. Founded 2011 | I | AVCODES |
| 8 | JN | JOON | ICAO: JON, 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 |
| 9 | JN | J and M Alaska Air Tours, Inc. d/b/a Alaska Air Transit | | USA | AVCODES |
| 10 | JN | Johannes Janßen GmbH & Co.KG | | DE | VKM |
| 11 | JNA | John Nurminen O/Y | Callsign: Nurminenair, | FIN | AVCODES |
| 12 | JNA | Jin Air Co. Ltd. | IATA: LJ, Callsign: Jin Air, Formerly Air Korea | ROK | AVCODES |
| 13 | JNA | Jin Air | | ROK | TRAFFIC |
| 14 | JNAF | JATANA FREIGHTLINES INC | | | SCAC4 |
| 15 | JNAI | JONAR INDUSTRIA S DE RL DE CV | | | SCAC4 |
| 16 | JNAL | JOHNSON AG LLC | | | SCAC4 |
| 17 | JNAO | KNAPP, OTTO TRANSPORTATION INC | | | SCAC4 |
| 18 | JNAR | JORDAN AIR | | | SCAC4 |
| 19 | JNAU | JUMBO AMERICA, INC. | | | SCAC4 |
| 20 | JNAV | JANELLE AVIATION | | | SCAC4 |
| 21 | JNB | JEANS BUS SERVICE | | | SCAC4 |
| 22 | JNBG | J & N FREIGHT | | | SCAC4 |
| 23 | JNBR | JUNE BERRY PATCH, THE | | | SCAC4 |
| 24 | JNBS | JENSEN BROS & SON INC | | | SCAC4 |
| 25 | JNBT | J AND B TRANSPORTATION SERVICES | | | SCAC4 |
| 26 | JNBY | JOHNSON, BYRON | | | SCAC4 |
| 27 | JNCH | JONES TRANSPORT, INC. | | | SCAC1 |
| 28 | JNCH | JONES TRANSPORT INC | | | SCAC4 |
| 29 | JNCM | J & C TRUCKING | | | SCAC4 |
| 30 | JNCP | JNC TRANSPORTATION CORP | | | SCAC4 |
| 31 | JNCR | J N C TRANSPORTATION INC | | | SCAC4 |
| 32 | JNCT | J & C TRANSPORT | | | SCAC4 |
| 33 | JNCU | JENGCO SDN BHD | | | SCAC4 |
| 34 | JNCX | Diamond Crossing Enterprises, LLC | added 7/2008 | | NAKINA |
| 35 | JNCY | JONES, CASEY TRUCKING INC | | | SCAC4 |
| 36 | JND | Air East Africa Ltd. | Callsign: Eastaf, | EAK | AVCODES |
| 37 | JNDI | JANDO LOGISTICS INC | | | SCAC4 |
| 38 | JNDP | JAY-DAN TRANSPORT LTD | | | SCAC4 |
| 39 | JNEF | J & N EQUIPMENT INC | | | SCAC4 |
| 40 | JNEI | JONES TRUCKING INC | | | SCAC4 |
| 41 | JNEK | JENSEN PRECAST | | | SCAC4 |
| 42 | JNEL | JONESERS EXPRESS TRANSPORTATION | | | SCAC4 |
| 43 | JNEQ | JACKSON ENTERPRISES INC | | | SCAC4 |
| 44 | JNES | JONES TRUCKING | | | SCAC4 |
| 45 | JNFE | J & S TRUCKING | | | SCAC4 |
| 46 | JNFS | JANES FRAMES | | | SCAC4 |
| 47 | JNGL | JUNG LOGISTICS INC | | | SCAC4 |
| 48 | JNGM | JENNINGS GENERAL MAINTENANCE INC | | | SCAC4 |
| 49 | JNGO | JONES GAS & OIL INC | | | SCAC4 |
| 50 | JNGP | JENNINGS OIL COMPANY | | | SCAC4 |
| 51 | JNGS | JENNINGS & SONS TRANSPORT | | | SCAC4 |
| 52 | JNGU | JONGS ORGANIC FERTILIZERS | | USA | BIC |
| 53 | JNGV | JENSON LOGISTICS INC | | | SCAC4 |
| 54 | JNH | M & N Equipment, LLC d/b/a M & N Aviation | IATA: MJ, Callsign: Jonah, Designator MJ* recalled by IATA. | USA | AVCODES |
| 55 | JNH | M & N Equipment, LLC d/b/a M & N Aviation | Callsign: Jonah, Designator MJ* recalled by IATA. | USA | AVCODES |
| 56 | JNH | M & N Aviation | | | ICAO1 |
| 57 | JNHK | JONAHS TRUCKING | | | SCAC4 |
| 58 | JNHQ | J & H TRUCKING INC | | | SCAC4 |
| 59 | JNHY | JANZEN, HENRY | | | SCAC4 |
| 60 | JNIL | JONES OIL COMPANY INC | | | SCAC4 |
| 61 | JNIU | NJI CONSULTING LTD | | | SCAC4 |
| 62 | JNJ | Journey Jet Co., Ltd. | Callsign: Journey Jet, | T | AVCODES |
| 63 | JNJB | JOHNSON, JAMES B | | | SCAC4 |
| 64 | JNJF | J & J FARMS INC | | | SCAC4 |
| 65 | JNJJ | J & J BAIT | | | SCAC4 |
| 66 | JNJN | JOHN, JOHN N III INC | | | SCAC4 |
| 67 | JNJP | J N J TRANSPORT LLC | | | SCAC4 |
| 68 | JNJQ | J AND J TRUCK LINE | | | SCAC1 |
| 69 | JNJQ | J & J TRUCK LINE | | | SCAC4 |
| 70 | JNJR | JNJ EXPRESS INC | | | SCAC4 |
| 71 | JNJW | JONES, JOHN W TRUCKING COMPANY INC | | | SCAC4 |
| 72 | JNK | Aircompany Jonika LLC | Callsign: Jonika, | UA | AVCODES |
| 73 | JNKA | JORDANS TRUCKING | | | SCAC4 |
| 74 | JNKC | J & K CUSTOM TRANSPORTATION INC | | | SCAC4 |
| 75 | JNKD | JENKINS, D CORPORATION | | | SCAC4 |
| 76 | JNKF | JENKINS FARM TRUCKING INC | | | SCAC4 |
| 77 | JNKJ | JONES TRUCKING INC | | | SCAC4 |
| 78 | JNKL | JANET TRUCKING LLC | | | SCAC4 |
| 79 | JNKQ | JONICK & CO INC | | | SCAC4 |
| 80 | JNKW | JOHNSON, KEN W | | | SCAC4 |
| 81 | JNL | JetNetherlands B.V. | Callsign: JetNetherlands, | NL | AVCODES |
| 82 | JNLA | JNL LOGISTICS LLC | | | SCAC4 |
| 83 | JNLB | JSX NORTH LLC | | | SCAC4 |
| 84 | JNLG | JEAN LARRIVEE GUITARS LTD | | | SCAC4 |
| 85 | JNLL | JUNELL CORP | | | SCAC4 |
| 86 | JNLO | JEANES LTL TRANSPORT | | | SCAC4 |
| 87 | JNLX | J. Neils Lumber Co. | 7/1935-4/1938; 7/1954-10/1957; eliminated 10/1958 | | NAKINA |
| 88 | JNLX | J. Neils Lumber Co. | 4/38 & 10/57; eliminated 10/58 | | NRHS |
| 89 | JNLX | J. NEILS LUMBER CO. | | | PWRC |
| 90 | JNMB | JONES, M B OIL INC | | | SCAC4 |
| 91 | JNMI | J&M CARTAGE, INC | | | SCAC1 |
| 92 | JNMM | J & M MFG CO INC | | | SCAC4 |
| 93 | JNMN | JOHNS MANVILLE INTERNATIONAL INC | | | SCAC4 |
| 94 | JNMS | JENSEN MARINE SERVICES | | | SCAC4 |
| 95 | JNMT | JNM TOOL & MANUFACTURE INC | | | SCAC4 |
| 96 | JNNP | JENNCORP LOGISTICS INC | | | SCAC4 |
| 97 | JNOA | JONES TRUCKING | | | SCAC4 |
| 98 | JNOK | JONESCO TRUCKING INC | | | SCAC4 |
| 99 | JNOL | JONES OIL INC | | | SCAC4 |
| 100 | JNPC | JANA EXPRESS INC | | | SCAC4 |
