| 1401 | LCLW | LINCOLN TRAIL TOWING & STORAGE | | | SCAC4 |
| 1402 | LCLX | Ledcor Communications Ltd. | 7/2000-7/2005 (not listed) | | NAKINA |
| 1403 | LCLX | Liberty Car Line, Mr. E. Almer | 1/1941-1/1943 | | NAKINA |
| 1404 | LCLX | Ledcor Communications Ltd. | Jul-00 | | NRHS |
| 1405 | LCLX | *LIBERTY CAR LINE, MR. E. ALMER | | | PWRC |
| 1406 | LCLX | +LEDCOR COMMUNICATIONS, LTD. | | | PWRC |
| 1407 | LCLX | Ledcor Communications | | | RSRV |
| 1408 | LCM | Lineas Aereas Comerciales, S.A. de C.V. | Callsign: Lineas Comerciales, | MEX | AVCODES |
| 1409 | LCM | Lineas Aereas Comerciales | | | ICAO1 |
| 1410 | LCM | LAKE CHAMPLAIN & MORIAH RAILROAD CO. | | | PWRC |
| 1411 | LCMH | LA CASA MOBILE HOME TRANSPORTERS | | | SCAC3 |
| 1412 | LCML | LOCH, M AND L INC | | | SCAC3 |
| 1413 | LCMN | L & C MARINE | | | SCAC4 |
| 1414 | LCMO | LOCAL MOVING COMPANY | | | SCAC3 |
| 1415 | LCMO | LACTO COMERCIAL ORGANIZADA SA DE CV | | | SCAC4 |
| 1416 | LCMS | LANCASTER MOVING & STORAGE CO | | | SCAC3 |
| 1417 | LCMS | LANCASTER MOVING & STORAGE INC | | | SCAC4 |
| 1418 | LCMT | L C MERCHANTS TRUCKING CO | | | SCAC3 |
| 1419 | LCMU | L & C MARINE LIMITED | | | SCAC3 |
| 1420 | LCMU | L & C MARINE | | | SCAC4 |
| 1421 | LCMV | LANE COUNTY MOVING & STORAGE | | | SCAC3 |
| 1422 | LCMV | LUCAS MOVING SYSTEMS INC | | | SCAC4 |
| 1423 | LCMW | LC ONE (1) LOGISTIC | | | SCAC4 |
| 1424 | LCN | Lineas Aereas Canarias, SA | IATA: 9L, Callsign: LCN, Merged into Meridiana Air, SA on 01 March 1991. | E | AVCODES |
| 1425 | LCN | Lineas Aereas Canarias, SA | IATA: EN, Callsign: LCN, Commenced operations in 1985. | E | AVCODES |
| 1426 | LCN | Lineas Aereas Canedo LAC | | | ICAO1 |
| 1427 | LCNA | LANDSTAR CANADA INC | | | SCAC4 |
| 1428 | LCNC | LECON INC | | | SCAC4 |
| 1429 | LCNE | London Country North-East | LCNE included the Hertfordshire New Towns, Stevenage, Welwyn Garden City, Hatfield, Hertford and Harlow, as well as the Thameside traffic around isolated Grays. | GB | TRAFFIC |
| 1430 | LCNF | LINCOLN FREIGHT INC | | | SCAC3 |
| 1431 | LCNF | LEFTI | | | SCAC4 |
| 1432 | LCNI | LACINA, I. A | | | SCAC3 |
| 1433 | LCNL | LA COMPAGNIE NORMAND LTEE | | | SCAC4 |
| 1434 | LCNM | LINDE CANADA LIMITED | | | SCAC4 |
| 1435 | LCNS | LECOLST & SONS TRUCKING INC | | | SCAC3 |
| 1436 | LCNU | LOCONAV | | | SCAC3 |
| 1437 | LCNV | LARCH COMPANIA NAVIERA S A | | | SCAC3 |
| 1438 | LCNW | LEGO CONSOLIDATORS & WAREHOUSE CO | | | SCAC3 |
| 1439 | LCNW | London Country North West | London Country North-West contained Watford, and part of the Uxbridge - Hemel Hempstead - Watford - St Albans conurbation, with Heathrow close by. | GB | TRAFFIC |
| 1440 | LCNY | LOUDON COUNTY TRUCKING INC | | | SCAC4 |
| 1441 | LCO | Ladeco S.A. d/b/a Ladeco Airlines | IATA: UC, Callsign: Ladeco, IATA Prefix: 145, Name changed to LANExpress 01 November 2001. | RCH | AVCODES |
| 1442 | LCO | Ladeco S.A. d/b/a LANExpress | IATA: UC, Callsign: Ladeco, IATA Prefix: 145, Name changed from Ladeco S.A. d/b/a Ladeco Airlines | RCH | AVCODES |
| 1443 | LCO | LAN Cargo S.A. d/b/a LATAM Cargo Chile | IATA: UC, IATA Prefix: 527, Name changed from LAN Cargo S.A. w.e.f. 05 May 2016. | RCH | AVCODES |
| 1444 | LCO | LAN Cargo | | | ICAO1 |
| 1445 | LCOA | London Coaches | | GB | TRAFFIC |
| 1446 | LCOD | LANDFORCE CORPORATION | | | SCAC4 |
| 1447 | LCOE | LCO ENTERPRISES | | | SCAC3 |
| 1448 | LCOG | LC ONE (1) | | | SCAC4 |
| 1449 | LCOH | LACOH TRANSPORT INC | | | SCAC4 |
| 1450 | LCOI | LARCO INC | | | SCAC4 |
| 1451 | LCOL | LANDCO LLC | | | SCAC4 |
| 1452 | LCOP | LINDENWOOD CO-OPERATIVE EXCHANGE | | | SCAC3 |
| 1453 | LCOQ | LALEMANT CARIBBEAN OPERATORS INC | | | SCAC3 |
| 1454 | LCOR | LINCOR TRANSPORTATION INC | | | SCAC4 |
| 1455 | LCOS | LACO SHIPPING LTD GIBRALTER | | | SCAC3 |
| 1456 | LCOU | LOCOTRANSSPED SP. Z O.O. | | PL | BIC |
| 1457 | LCOX | L.A. Colo & Sons, Inc. | added 1/2003; 7/2005 | | NAKINA |
| 1458 | LCOX | L. A. COLO & SONS, IMC. | | | PWRC |
| 1459 | LCOX | L A Colo and Sons | | | RSRV |
| 1460 | LCOX | L A COLO & SONS INC | | | SCAC4 |
| 1461 | LCOY | LAS CRUCES OIL COMPANY | | | SCAC4 |
| 1462 | LCPE | LAVERNE COOPERATIVE CITRUS ASSN | | | SCAC3 |
| 1463 | LCPG | LAIDLAW CARRIERS PCS GP INC | | | SCAC4 |
| 1464 | LCPT | LUCAS CONCEPTS LLC | | | SCAC4 |
| 1465 | LCPU | LTG CARGO POLSKA SP. Z O.O. | | PL | BIC |
| 1466 | LCPX | General American Marks Co. | added 1/1998; 7/2000-7/2005 | | NAKINA |
| 1467 | LCPX | General American Transportation Corp. | added 10/1990; 1/1994; eliminated 1/1998 | | NAKINA |
| 1468 | LCPX | LCP Transportation, Inc. | added 7/1982; eliminated 10/1990 | | NAKINA |
| 1469 | LCPX | LCP Transportation, Inc., a subsidiary of Linden Chemicals & Plastics, Inc. | added 4/1980; eliminated 7/1982 | | NAKINA |
| 1470 | LCPX | LCP Transportation, Inc., a subsidiary of Linden Chemicals & Plastics, Inc. | added 4/80; eliminated 7/82 | | NRHS |
| 1471 | LCPX | LCP Transportation, Inc. | added 7/82; eliminated 10/90 | | NRHS |
| 1472 | LCPX | General American Transportation Corp. | added 10/90; 1/94; eliminated 1/98 | | NRHS |
| 1473 | LCPX | General American Marks Co. | added 1/98; 7/2000 | | NRHS |
| 1474 | LCPX | GENERAL AMERICAN MARKS COMPANY (LCP TRANSPORTATION, INC.- Lessee) | | | PWRC |
| 1475 | LCPX | LCP Transportation (GATX) | | | RSRV |
| 1476 | LCQC | LEFT COAST LOGISTICS INC | | | SCAC4 |
| 1477 | LCQL | LCS LOGISTICS LLC | | | SCAC4 |
| 1478 | LCR | Libyan Arab Company For Air Cargo | Callsign: Libac, | LAR | AVCODES |
| 1479 | LCR | Libyan Arab Air Cargo | | | ICAO1 |
| 1480 | LCR | Lake County R.R. | 7/2000-7/2005 | | NAKINA |
| 1481 | LCR | Lake County R.R. | Jul-00 | | NRHS |
| 1482 | LCR | LAKE COUNTY RAILROAD | | | PWRC |
| 1483 | LCR | Lake County Railroad | | | RSRV |
| 1484 | LCR | LAKE COUNTY RAILROAD | | | SCAC4 |
| 1485 | LCR | Low Cost Rail | | E | TRAFFIC |
| 1486 | LCRA | LACKAWANNA COUNTY RAILROAD AUTHORITY | | | PWRC |
| 1487 | LCRC | Lenawee County R.R. Co., Inc. | added 1/1978; eliminated 10/1978; 1/1980; eliminated 4/1988; eliminated 10/1990 | | NAKINA |
| 1488 | LCRC | Lenawee County R.R. Co., Inc. | added 1/78; eliminated 10/78; 1/80; eliminated 4/88; eliminated 10/90 | | NRHS |
| 1489 | LCRC | LENAWEE COUNTY RAILROAD CO. | | | PWRC |
| 1490 | LCRC | Lenawee County Railroad | | | RSRV |
| 1491 | LCRC | L C R ENTERPRISES INC | | | SCAC4 |
| 1492 | LCRC | Lenawee County R.R. Co., Inc. | | USA | TRAFFIC |
| 1493 | LCRE | LCR TRUCK&EQUIPMENT CO | | | SCAC3 |
| 1494 | LCRG | LORAIN CAR RELEASING COMPANY | | | SCAC3 |
| 1495 | LCRI | LATTOE CAR RENTAL INC | | | SCAC3 |
| 1496 | LCRK | L C TRUCKING | | | SCAC4 |
| 1497 | LCRL | LACRETE TRANSPORT 79 LTD | | | SCAC4 |
| 1498 | LCRN | LICORNE PACIFIQUE INC. | | | SCAC3 |
| 1499 | LCRN | LICORNE PACIFIQUE INC. | | | SCAC4 |
| 1500 | LCRO | LACROIX, PIERRE LOGGING INC | | | SCAC4 |
