| 1601 | LCWL | L AND C WINDSOR CABLES LTD | | | SCAC4 |
| 1602 | LCWS | L C W TRANSPORTATION SERVICE INC | | | SCAC3 |
| 1603 | LCWX | LCP Chemicals-West Virginia, Inc. | added 7/1982; 1/1994; eliminated 4/1995; 7/2000-7/2005 (not listed) | | NAKINA |
| 1604 | LCWX | LCP Chemicals-West Virginia, Inc., a subsidiary of Linden Chemicals & Plastics, Inc. | added 10/1980; eliminated 7/1982 | | NAKINA |
| 1605 | LCWX | LCP Chemicals-West Virginia, Inc. | added 7/82; 1/94; eliminated 4/95; 7/2000 | | NRHS |
| 1606 | LCWX | LCP Chemicals-West Virginia, Inc., a subsidiary of Linden Chemicals & Plastics, Inc. | added 10/80; eliminated 7/82 | | NRHS |
| 1607 | LCWX | LCP CHEMICALS-WEST VIRGINIA, INC. | | | PWRC |
| 1608 | LCWX | LCP Chemicals-West Virginia | | | RSRV |
| 1609 | LCWX | LCP CHEMICALS-WEST VIRGINIA, INC. | | | SCAC4 |
| 1610 | LCX | Lamex Chemical Corp. | 1/1952 | | NAKINA |
| 1611 | LCX | Lamex Chemical Corp. | Jan-52 | | NRHS |
| 1612 | LCX | LAMEX CHEMICAL CORP. | | | PWRC |
| 1613 | LCXD | LCX DELIVERY | | | SCAC3 |
| 1614 | LCXE | L C S | | | SCAC4 |
| 1615 | LCXP | LANCER EXPRESS | | | SCAC3 |
| 1616 | LCXR | LCS EXPRESS | | | SCAC3 |
| 1617 | LCXT | LACROIX TRANSPORTATION INC | | | SCAC3 |
| 1618 | LCXT | LUCIO TRANSIT | | | SCAC4 |
| 1619 | LCY | Eurocity Express Ltd. | IATA: II, Callsign: Stol, Renamed London city Airways Ltd. | GB | AVCODES |
| 1620 | LCY | London City Airways Ltd. | IATA: II, Callsign: Stol, Merged into British Midland. Formerly Eurocity Express Ltd. | GB | AVCODES |
| 1621 | LCY | London City Airport Jet Centre | Callsign: London City, | GB | AVCODES |
| 1622 | LCY | London City Airport Jet Centre | | | ICAO1 |
| 1623 | LCYC | LACEY TRUCKING INC | | | SCAC4 |
| 1624 | LCYG | LEGACY INC | | | SCAC4 |
| 1625 | LCYK | LYNCH, LARRY TRUCKING | | | SCAC4 |
| 1626 | LCYP | LUCKY PETROLEUM INC | | | SCAC4 |
| 1627 | LCYS | LACYS EXPRESS, INC | | | SCAC3 |
| 1628 | LCYT | LACEY TRANSPORT | | | SCAC3 |
| 1629 | LCYT | LACEY TAXIDERMY | | | SCAC4 |
| 1630 | LCYU | LCY CHEMICAL CORP. | | RC | BIC |
| 1631 | LCZ | LAUHOFF COMPANY | | | PWRC |
| 1632 | LCZM | LARA CHAVEZ, MARIO | | | SCAC4 |
| 1633 | LCZT | LA CRUZ TRANSPORT COMPANY (A DIVISI | | | SCAC3 |
| 1634 | LCZT | LACORZA PRODUCTOS S DE RL DE CV | | | SCAC4 |
| 1635 | LD | AHK Air Hong Kong Limited | ICAO: AHK, Callsign: Air Hong Kong, IATA Prefix: 288, | HK | AVCODES |
| 1636 | LD | Linea Turistica Aereotuy Lta, C.A. | ICAO: TUY, Callsign: Aereotuy, IATA designator changed to L4 | YV | AVCODES |
| 1637 | LD | Lineas Aereas Del Estado (LADE) | ICAO: LDE, Callsign: Lade, Designator LD recalled by IATA | RA | AVCODES |
| 1638 | LD | Landquart - Davos | | CH | TRAFFIC |
| 1639 | LDA | Lauda Air Luftfahrt AG | IATA: NG, Callsign: Lauda Air, IATA Prefix: 231, Merged into Austrian Airlines. IATA Designator changed from LW | A | AVCODES |
| 1640 | LDA | Lauda Air Luftfahrt AG | IATA: LW, Callsign: Lauda Air, IATA Designator changed to NG. IATA Designator changed from OE | A | AVCODES |
| 1641 | LDA | Lauda Europe Ltd. | IATA: LW, Callsign: Beaufort, Ryanair Holdings Group | M | AVCODES |
| 1642 | LDA | Lauda Air | IATA: NG | | ICAO1 |
| 1643 | LDAA | LEE, DAVID ALAN | | | SCAC4 |
| 1644 | LDAC | LANDAIR INTERNATIONAL INC | | | SCAC4 |
| 1645 | LDAD | LAKELAND DELIVERY SERVICE INC | | | SCAC4 |
| 1646 | LDAE | LAND/AIRE INC | | | SCAC3 |
| 1647 | LDAG | LANDIS, D A TRUCKING INC | | | SCAC4 |
| 1648 | LDAH | LOEW DEMERS AUCTIONS INC | | | SCAC4 |
| 1649 | LDAK | LIL DANAS TRUCKING INC | | | SCAC3 |
| 1650 | LDAL | LAND SEA AIR INCORPORATED | | | SCAC4 |
| 1651 | LDAM | LEDA MARINE S A | | | SCAC3 |
| 1652 | LDAO | LANDSTAR TRANSPORTATION SERVICE INC | | | SCAC3 |
| 1653 | LDAO | LOADMASTERS | | | SCAC4 |
| 1654 | LDAP | L & D TRANSPORT SERVICES LLC | | | SCAC4 |
| 1655 | LDAQ | LINCOLN-DIXIE FREIGHT LINES, A L | | | SCAC3 |
| 1656 | LDAR | LAND AND RAIL TRANSPORTATION INC | | | SCAC3 |
| 1657 | LDAR | LES DISTRIBUTIONS A & R | | | SCAC4 |
| 1658 | LDAS | L & D AERO SERVICE | | | SCAC3 |
| 1659 | LDAS | LEKKER SEWING S DE RL DE | | | SCAC4 |
| 1660 | LDAT | LAIRD, D A TRANSPORT INC | | | SCAC4 |
| 1661 | LDAX | Louisiana Agricultural Finance Authority | 7/2000-7/2005 (not listed) | | NAKINA |
| 1662 | LDAX | Louisiana Agricultural Finance Authority | Jul-00 | | NRHS |
| 1663 | LDAX | LOUISIANA AGRICULTURAL FINANCE AUTHORITY | | | PWRC |
| 1664 | LDAX | Louisiana Agricultural Finance Authority | | | RSRV |
| 1665 | LDB | Lada Air Ltd. | Callsign: Lada, | BG | AVCODES |
| 1666 | LDBD | L & D BAIT | | | SCAC4 |
| 1667 | LDBE | LIMANKOY DENIZCILIK VE TICARET AS | | | SCAC4 |
| 1668 | LDBG | L D BROKERAGE SERVICES | | | SCAC4 |
| 1669 | LDBI | LANDSBERG, E INC | | | SCAC3 |
| 1670 | LDBI | LSIDAHO INC | | | SCAC4 |
| 1671 | LDBQ | LITTLE DEBRA FREIGHT LINES | | | SCAC3 |
| 1672 | LDBR | LEDERBRAND, ROGER | | | SCAC3 |
| 1673 | LDBS | LAMAR DISTRIBUTION SERVICE INC | | | SCAC3 |
| 1674 | LDBT | LAND-BRIDGE TRANSPORTATION | | | SCAC3 |
| 1675 | LDBY | LUNDERBY TRUCKING LLC | | | SCAC4 |
| 1676 | LDC | LADECO Cargo, S.A. | IATA: UC, Callsign: Ladeco Cargo, IATA Prefix: 527, Designator UC recalled by IATA | RCH | AVCODES |
| 1677 | LDC | Lausitzer Dampflok-Club e.V. | Neuendorf | D | privat-bahn.de |
| 1678 | LDC | LASCO DEVELOPMENT CORP. | | | PWRC |
| 1679 | LDC | Lausitzer Dampflok Club e.V | | DE | VKM |
| 1680 | LDCA | LINE DRIVE OF CALIFORNIA | | | SCAC3 |
| 1681 | LDCA | LOGISTICA DE CARGA DEL NOROESTE S A | | | SCAC4 |
| 1682 | LDCC | LADSON CREATIVE MILLWORK | | | SCAC4 |
| 1683 | LDCE | LEGEND CONTAINER LINE | | | SCAC4 |
| 1684 | LDCF | LAUDIN, D C FARMS LTD | | | SCAC4 |
| 1685 | LDCG | LIL DIESEL CARTAGE LTD | | | SCAC4 |
| 1686 | LDCH | LOUIS DREYFUS COMMODITIES SUISSE SA | | | SCAC4 |
| 1687 | LDCI | LEASEWAY DISTRIBUTION CENTERS INC | | | SCAC3 |
| 1688 | LDCI | LITTLE DOLLHOUSE COMPANY, THE | | | SCAC4 |
| 1689 | LDCK | L & D TRUCKING | | | SCAC3 |
| 1690 | LDCK | LD LOGISTICS LLC | | | SCAC4 |
| 1691 | LDCL | LAND DEVELOPMENT CONTRACTORS LLC | | | SCAC4 |
| 1692 | LDCM | LEDCOR CMI INC | | | SCAC4 |
| 1693 | LDCO | LAKESIDE DRAYAGE CO | | | SCAC3 |
| 1694 | LDCP | LOUIS-DREYFUS CORPORATION | | | SCAC3 |
| 1695 | LDCP | LOUIS DREYFUS ARMATEURS (S N C) | | | SCAC4 |
| 1696 | LDCR | LAUDERDALE CARGO INC | | | SCAC3 |
| 1697 | LDCV | LEADERSHIP COMPANIA NAVIERA SA | | | SCAC3 |
| 1698 | LDCX | Louis Dreyfus Corp. | added 7/1979; 1/1980-7/2005 | | NAKINA |
| 1699 | LDCX | Louis Dreyfus Corp. | added 7/79; 1/80-7/2000 | | NRHS |
| 1700 | LDCX | LOUIS DREYFUS CORP. | | | PWRC |
