| 1501 | JIM | Sark International Airways | | | ICAO1 |
| 1502 | JIMB | JIMBO TRANSPORTATION | | | SCAC4 |
| 1503 | JIMC | JIMMIES TRUCKIN INC | | | SCAC4 |
| 1504 | JIMH | JOHNNY ICE MAN TRUCKING INC | | | SCAC4 |
| 1505 | JIMI | JIMS TRANSPORTATION INC | | | SCAC4 |
| 1506 | JIMM | JIMMYS TRANSPORT EXPRESS | | | SCAC4 |
| 1507 | JIMV | JUST IN TIME SERVICES INC | | | SCAC4 |
| 1508 | JIMX | Custom Car Service Corp. | added 10/1959; elminated 4/1960 | | NAKINA |
| 1509 | JIMX | Reese Tank Line Co. | added 10/1958; eliminated 10/1959 | | NAKINA |
| 1510 | JIMX | Reese Tank Line Co. | added 10/58; eliminated 10/59 | | NRHS |
| 1511 | JIMX | Custom Car Service Corp. | added 10/59 | | NRHS |
| 1512 | JIMX | CUSTOM CAR SERVICE CORP. [REESE TANK LINE CO.] | | | PWRC |
| 1513 | JINC | JET INC | | | SCAC4 |
| 1514 | JINK | JACKMANS INC | | | SCAC4 |
| 1515 | JINM | JUST IN TIME LLC | | | SCAC4 |
| 1516 | JIS | Air Jupiter | Callsign: Jupair, | WAN | AVCODES |
| 1517 | JISP | JH INTERNATIONAL SHIPPING | | | SCAC4 |
| 1518 | JISS | JACKS INTERMODAL SERVICES | | | SCAC4 |
| 1519 | JISU | QINGDAO JI SOURCE INTERNATIONAL LOGISTICS CO.,LTD. | | PRC | BIC |
| 1520 | JIT | Jet It, LLC | Callsign: Jet It, | USA | AVCODES |
| 1521 | JITA | JIT ROAD TRANSPORTATION | | | SCAC4 |
| 1522 | JITE | JIT EXPRESS INC | | | SCAC4 |
| 1523 | JITG | JIMS TRUCKING INC | | | SCAC4 |
| 1524 | JITJ | JUST IN TIME SERVICES INC | | | SCAC4 |
| 1525 | JITK | J I T EXPRESS, JITEX INC | | | SCAC4 |
| 1526 | JITL | JIT STEEL SERVICE INC | | | SCAC4 |
| 1527 | JITM | JUST IN TIME MESSENGER | | | SCAC4 |
| 1528 | JITN | JUST IN TIME TRUCKING | | | SCAC4 |
| 1529 | JITP | JAPAN INTERMODAL TRANSPORT | | | SCAC1 |
| 1530 | JITT | JIT TRANSPORTATION | | | SCAC4 |
| 1531 | JITW | JIT WAREHOUSING & LOGISTICS LLC | | | SCAC4 |
| 1532 | JITY | JIT-EX INC | | | SCAC4 |
| 1533 | JIV | Jivair AB | Callsign: Jivair, Established in 1981 | S | AVCODES |
| 1534 | JIXC | J & I TRANSPORT CO INC | | | SCAC4 |
| 1535 | JJ | TAM Linhas Aereas S.A. | ICAO: TAM, Callsign: TAM, IATA Prefix: 957, Name changed to TAM Linhas Aereas S.A. d/b/a LATAM Airlines Brasil. Name change from TAM - Transportes Aereos Meridionais S.A. | BR | AVCODES |
| 1536 | JJ | Aviogenex | ICAO: AGX, Callsign: Genex, Ceased operations in Febraury 2015. ICAO callsign changed from Juliett Juliett | YU | AVCODES |
| 1537 | JJ | Aviogenex | ICAO: AGX, Callsign: Juliett Juliett, ICAO callsign changed to Genex | YU | AVCODES |
| 1538 | JJ | TAM Linhas Aereas S.A. d/b/a LATAM Airlines Brasil | ICAO: TAM, Callsign: TAM, IATA Prefix: 957, Name changed from TAM Linhas Aereas S.A. Name change from TAM - Transportes Aereos Meridionais S.A. | BR | AVCODES |
| 1539 | JJ | Joliet Junction | | USA | TRAFFIC |
| 1540 | JJA | Jeju Air Co. Ltd. | IATA: 7C, | ROK | AVCODES |
| 1541 | JJA | Jeju Air | IATA: 7C | | ICAO1 |
| 1542 | JJA | Jeju Air | | ROK | TRAFFIC |
| 1543 | JJAB | J & J TRUCK LINES LLC | | | SCAC4 |
| 1544 | JJAE | JONES, JUDY TRUCKING INC | | | SCAC4 |
| 1545 | JJAF | J & J AIRFREIGHT TRUCKING CO INC | | | SCAC4 |
| 1546 | JJAH | JJADE HAULING INC | | | SCAC4 |
| 1547 | JJAL | JJ & A ALLIANCE LLC | | | SCAC4 |
| 1548 | JJAN | JOHNSON, JAN OLD MASTER MODERN PRIN | | | SCAC4 |
| 1549 | JJAP | J & J TRANSPORTATION | | | SCAC4 |
| 1550 | JJAR | JOHNSON, J A TRUCKING | | | SCAC4 |
| 1551 | JJAT | J & J TRUCKING BRANDON LLC | | | SCAC4 |
| 1552 | JJAU | JINGJIANG ASIAN-PACIFIC LOGISTICS EQUIPMENT CO.,LTD. | | PRC | BIC |
| 1553 | JJBC | J & J TRUCKING INC | | | SCAC4 |
| 1554 | JJBO | JJB LOGISTIC | | | SCAC4 |
| 1555 | JJBP | JJB EXPRESS | | | SCAC4 |
| 1556 | JJBS | JONES, J BUILDERS LLC | | | SCAC4 |
| 1557 | JJBY | JUSTICE, J B & | | | SCAC4 |
| 1558 | JJCI | JJC TRANSPORT INC | | | SCAC4 |
| 1559 | JJCK | J & J TRUCKING | | | SCAC4 |
| 1560 | JJCN | J & J CARRIERS INC | | | SCAC4 |
| 1561 | JJCP | JJ & C TRANSPORT | | | SCAC4 |
| 1562 | JJCT | JOE & JANS CHARTER AND TOURS INC | | | SCAC4 |
| 1563 | JJDL | J & J DELIVERY INC | | | SCAC4 |
| 1564 | JJDN | JONES, JERRY D | | | SCAC4 |
| 1565 | JJDR | JJD TRUCKING INC | | | SCAC4 |
| 1566 | JJDS | JOHNSON, J DISTRIBUIDORES SA DE CV | | | SCAC4 |
| 1567 | JJDT | J & J DISPATCH | | | SCAC4 |
| 1568 | JJDU | ITEC ENGINEERING | | F | BIC |
| 1569 | JJDW | J & J DRIVE AWAY INC | | | SCAC4 |
| 1570 | JJEA | JUSTICE, JERRY EXCAVATING INC | | | SCAC4 |
| 1571 | JJED | JJE EXPRESS TRUCKING | | | SCAC4 |
| 1572 | JJEH | J & J EXHIBIT | | | SCAC4 |
| 1573 | JJEJ | JUMPING JACK EXPRESS | | | SCAC4 |
| 1574 | JJEO | JONES, JOHN E OIL CO INC | | | SCAC4 |
| 1575 | JJEP | JOHNSON, J E TRANSPORT | | | SCAC4 |
| 1576 | JJET | J & J EXPEDITING INC | | | SCAC4 |
| 1577 | JJEU | JJ EXPRESS SERVICES SDN. BHD. | | MAL | BIC |
| 1578 | JJEY | JACKSON, J E FUEL COMPANY LLC | | | SCAC4 |
| 1579 | JJFA | JARRO, JON FINE ART | | | SCAC4 |
| 1580 | JJFO | JENNINGS & JENNINGS FUEL OIL CO INC | | | SCAC4 |
| 1581 | JJFQ | JENKINS, JOHN F & CO INC | | | SCAC4 |
| 1582 | JJFU | JJ FORWARDER SL | | E | BIC |
| 1583 | JJHA | HAINES, J J AND COMPANY INC | | | SCAC4 |
| 1584 | JJHG | J & J HAULAGE | | | SCAC4 |
| 1585 | JJHI | J & J HOLDINGS INC | | | SCAC4 |
| 1586 | JJHO | J & J TRUCKING LLC | | | SCAC4 |
| 1587 | JJIA | JIA JIA INTERNATIONAL MOVING INC | | | SCAC4 |
| 1588 | JJIC | J & J INC | | | SCAC4 |
| 1589 | JJIN | J & J INTERNATIONAL LLC | | | SCAC4 |
| 1590 | JJIR | JEHOVAH-JIREH ENTERPRISES | | | SCAC4 |
| 1591 | JJIU | JAYNES INVESTMENTS INC | | | SCAC4 |
| 1592 | JJJB | JERUE, JOHN J TRUCK BROKER INC | | | SCAC4 |
| 1593 | JJJI | JJJ TRANSPORT INC | | | SCAC4 |
| 1594 | JJJK | JJJ TRUCKING | | | SCAC4 |
| 1595 | JJJP | JARDINA, J J COMPANY | | | SCAC4 |
| 1596 | JJJR | JJJ TRANSPORTATION | | | SCAC4 |
| 1597 | JJJT | JERUE, JOHN J TRANSPORTATION INC | | | SCAC4 |
| 1598 | JJJX | Legend Marketing Ltd. | added 4/2005; 7/2005 | | NAKINA |
| 1599 | JJJX | JJ Rail Car Leasing Ltd. | added 1/1995; 7/2000; eliminated 4/2005 | | NAKINA |
| 1600 | JJJX | JJ Rail Car Leasing Ltd. | added 1/95; 7/2000 | | NRHS |
