| 3401 | LHRE | L & H REFRIGERATED EXPRESS | | | SCAC3 |
| 3402 | LHRE | LITTAU HARVESTER INC | | | SCAC4 |
| 3403 | LHRN | LONGHORN TRUCKING CO | | | SCAC3 |
| 3404 | LHRR | The Longhorn R.R. | 7/2005 | | NAKINA |
| 3405 | LHRR | The Longhorn R.R., a Division of Central of Tennessee Ry. & Navigation Co. | eliminated 10/2000 | | NAKINA |
| 3406 | LHRR | The Longhorn R.R. | added 10/1997; 7/2000 | | NAKINA |
| 3407 | LHRR | The Longhorn R.R. | added 10/97; 7/2000 | | NRHS |
| 3408 | LHRR | The Longhorn R.R., a Division of Central of Tennessee Ry. & Navigation Co. | eliminated 10/2000 | | NRHS |
| 3409 | LHRR | LONGHORN RAILROAD | | | PWRC |
| 3410 | LHRR | Longhorn Railroad | | | RSRV |
| 3411 | LHRX | LONGHORN RAILROAD | | | PWRC |
| 3412 | LHS | Luhansk, Aviation Enterprise | Callsign: Enterprise Luhansk, Ceased operations. | UA | AVCODES |
| 3413 | LHS | Luhansk | | | ICAO1 |
| 3414 | LHS | Louisville & Nashville R.R. | 1/1941-1/1952 | | NAKINA |
| 3415 | LHS | Louisville & Nashville R.R. | Jan-52 | | NRHS |
| 3416 | LHS | LOUISVILLE & NASHVILLE RAILROAD | | | PWRC |
| 3417 | LHS | PKP Linia Hutnicza Szerokotorowa Spólka z.o.o. w Zamosciu | | PL | VKM |
| 3418 | LHSA | LIGHTHOUSE SHIPPING AGENCY INC | | | SCAC4 |
| 3419 | LHSC | LAPHAM-HICKEY STEEL CORP | | | SCAC4 |
| 3420 | LHSG | LIGHTHOUSE LOGISTICS | | | SCAC4 |
| 3421 | LHSI | LOUISIANA HOT SHOT SERVICE INC | | | SCAC3 |
| 3422 | LHSK | LHS TRUCKING LLC | | | SCAC4 |
| 3423 | LHSL | LIGHTHOUSE TRANSPORTATION GROUP INC | | | SCAC4 |
| 3424 | LHSN | L H SERVICE INC | | | SCAC4 |
| 3425 | LHSO | LEGER HOT SHOT AND DELIVERY SERVICE | | | SCAC3 |
| 3426 | LHSQ | LYON, H S TRUCKING INC | | | SCAC3 |
| 3427 | LHSR | LAUGHING HORSE ENTERPRISES | | | SCAC4 |
| 3428 | LHST | LADYHAWK SPECIALIZED TRANSPORT | | | SCAC4 |
| 3429 | LHSV | LAUGHLIN HAULING SERVICES LLC | | | SCAC4 |
| 3430 | LHSX | LAKE HUBBARD STEAM & ELECTRIC | | | PWRC |
| 3431 | LHT | Lufthansa Technik AG | Callsign: Lufthansa Technik, | D | AVCODES |
| 3432 | LHT | Lufthansa Technik | | | ICAO1 |
| 3433 | LHTA | LINE HAUL TRANSPORT INC | | | SCAC3 |
| 3434 | LHTA | LAKE HAMILTON TRANSPORTATION INC | | | SCAC4 |
| 3435 | LHTC | LAUREL HILL TRUCKING COMPANY INC | | | SCAC3 |
| 3436 | LHTE | L H T ENTERPRISES INC | | | SCAC4 |
| 3437 | LHTF | L H TRUCKING LLC | | | SCAC4 |
| 3438 | LHTG | LEACH TRUCKING COMPANY INC | | | SCAC3 |
| 3439 | LHTG | LCH TRUCKING | | | SCAC4 |
| 3440 | LHTH | LONG HAUL TRUCKING CO INC | | | SCAC3 |
| 3441 | LHTI | LEHNUS TRUCKING | | | SCAC3 |
| 3442 | LHTK | LONG HORN TRUCKING COMPANY INC | | | SCAC3 |
| 3443 | LHTL | LAMA HANDLING & TRANSPORT LTD | | | SCAC3 |
| 3444 | LHTN | L & H TRANSFER CO INC | | | SCAC3 |
| 3445 | LHTP | L & H TRANSPORTATION SYSTEMS | | | SCAC3 |
| 3446 | LHTP | L H TRANSPORT LTD | | | SCAC4 |
| 3447 | LHTR | LEACH TRUCKING CO | | | SCAC3 |
| 3448 | LHTS | L H T INC | | | SCAC3 |
| 3449 | LHTS | LIGHTHOUSE TRANSPORT SERVICE LTD | | | SCAC4 |
| 3450 | LHTU | LIGHTHOUSE R & D | | | SCAC4 |
| 3451 | LHTX | Larsen Farms | 7/2000-7/2005 (not listed) | | NAKINA |
| 3452 | LHTX | Larsen Farms | Jul-00 | | NRHS |
| 3453 | LHTX | LARSEN FARMS | | | PWRC |
| 3454 | LHTX | Larsen Farms | | | RSRV |
| 3455 | LHTX | LARSEN FARMS | | | SCAC4 |
| 3456 | LHUN | LOAD HUNTER TRANSPORT INC | | | SCAC4 |
| 3457 | LHWE | LITTLE HOWLIN WOLF ENTERPRISES | | | SCAC3 |
| 3458 | LHWI | LONGACRE, HORACE W INC | | | SCAC3 |
| 3459 | LHWI | LOTHLORIEN WOODWORKING LTD | | | SCAC4 |
| 3460 | LHXC | LIAHONA EXPRESS LLC | | | SCAC4 |
| 3461 | LHXI | LIGHTHOUSE EXPRESS INC | | | SCAC3 |
| 3462 | LHXL | LH EXPRESS LLC | | | SCAC4 |
| 3463 | LHXU | XIAMEN LUHAIXIANG CONTAINER SERVICE LTD | | PRC | BIC |
| 3464 | LHZU | LVIV CHEMICAL PLANT JSC | | UA | BIC |
| 3465 | LI | Leeward Islands Air Transport (1974) Ltd. (LIAT) | ICAO: LIA, Callsign: LIAT, IATA Prefix: 140, | AG | AVCODES |
| 3466 | LI | Leeward Islands Air Transport Ltd. (LIAT) | Callsign: LIAT, Ceased operations | AG | AVCODES |
| 3467 | LI | LIAT (1974) Ltd. | ICAO: LIA, Callsign: LIAT, IATA Prefix: 140, Entered in administration on 24/07/2020. | AG | AVCODES |
| 3468 | LI | ETF Airways d.o.o. | ICAO: EZZ, Callsign: Enterprize, | HR | AVCODES |
| 3469 | LI | The Long Island Rail Road Co. | 1/1975-1/1994; eliminated 1/1998; 7/2000-7/2005 | | NAKINA |
| 3470 | LI | The Long Island Rail Road Co. | 1/75-1/94; eliminated 1/98; 7/2000 | | NRHS |
| 3471 | LI | LONG ISLAND RAIL ROAD CO. | | | PWRC |
| 3472 | LI | Long Island Rail Road | | | RSRV |
| 3473 | LI | Linea S.p.A. | | IT | VKM |
| 3474 | LIA | Leeward Islands Air Transport (1974) Ltd. (LIAT) | IATA: LI, Callsign: LIAT, IATA Prefix: 140, | AG | AVCODES |
| 3475 | LIA | LIAT (1974) Ltd. | IATA: LI, Callsign: LIAT, IATA Prefix: 140, Entered in administration on 24/07/2020. | AG | AVCODES |
| 3476 | LIA | Leeward Islands Air Transport | IATA: LI | | ICAO1 |
| 3477 | LIAE | LIDO VAN & STORAGE | | | SCAC4 |
| 3478 | LIAF | LINCOLN AVIATION INSTITUTE | | | SCAC3 |
| 3479 | LIAF | LIBERTY GAIT INC | | | SCAC4 |
| 3480 | LIAG | LOGISTICS INTERNATIONAL LLC | | | SCAC4 |
| 3481 | LIAI | LINGTNING AIR FREIGHT | | | SCAC3 |
| 3482 | LIAK | LANELINKS INC | | | SCAC4 |
| 3483 | LIAL | LISMORE COLONY | | | SCAC4 |
| 3484 | LIAO | LIEBMAN, LEO DRAYAGE | | | SCAC3 |
| 3485 | LIAO | LINCOLN FREIGHT COMPANY LLC | | | SCAC4 |
| 3486 | LIAQ | LIAN TRUCKING INC | | | SCAC4 |
| 3487 | LIAS | LIMA & SONS | | | SCAC3 |
| 3488 | LIAS | LIPHAM CONSTRUCTION COMPANY INC | | | SCAC4 |
| 3489 | LIAT | LINK, ARTHUR TRUCKING INC | | | SCAC3 |
| 3490 | LIAT | LINC ALL TRUCK INC | | | SCAC4 |
| 3491 | LIAV | LION TRAVEL | | | SCAC3 |
| 3492 | LIAZ | Likinskiy Avtobusnyi Zavod | | SU | TRAFFIC |
| 3493 | LIB | AOM-Minerve S.A. t/a Air Liberte | IATA: IJ, Callsign: Air Liberte, IATA Prefix: 718, Name changed to Air Lib. IATA changed from VD. Name changed from Air Liberte | F | AVCODES |
| 3494 | LIB | Air Liberte | IATA: VD, Callsign: Air Liberte, IATA designator changed to IJ | F | AVCODES |
| 3495 | LIB | Air Liberte | IATA: BT, Callsign: Air Liberte, IATA designator changed to VD | F | AVCODES |
| 3496 | LIB | Air Liberte | IATA: IJ, Callsign: Air Liberte, IATA Prefix: 718, Name changed to AOM-Minerve S.A. t/a Air Liberte. IATA changed from VD | F | AVCODES |
| 3497 | LIB | AOM-Minerve S.A. t/a Air Lib | IATA: IW, Callsign: Air Liberte, IATA Prefix: 646, Ceased operations on 17 Febraury 2003. Name changed to Air Lib w.e.f. 22 September 2001. IATA changed from VD. Name changed from AOM - Air Liberte | F | AVCODES |
| 3498 | LIB | Ploizeihubschrauberstaffel Hamburg | | | ICAO1 |
| 3499 | LIB | Lebanon | | | TRAFFIC |
| 3500 | LIBC | LIBERTY CARTAGE CO, THE | | | SCAC3 |
