| 801 | LAYL | LAYTON LINES INC | | | SCAC3 |
| 802 | LAYM | LOS ANGELES YUMA FREIGHT LINES, INC | | | SCAC3 |
| 803 | LAYN | LAYMANS TRUCKING COMPANY | | | SCAC3 |
| 804 | LAYR | LAYTON, RICHARD T CO LTD | | | SCAC4 |
| 805 | LAYT | LAY TRUCKING COMPANY, INC | | | SCAC3 |
| 806 | LAYV | LAY MOVING SERVICES INC | | | SCAC4 |
| 807 | LAYY | LAY, ROY E TRUCKING | | | SCAC3 |
| 808 | LAYY | LAY, ROY E TRUCKING | | | SCAC4 |
| 809 | LAZ | Lviv Bus Factory | | UA | TRAFFIC |
| 810 | LAZA | LIBERIAN AZALEA TRANSPORTS, INC. | | | SCAC3 |
| 811 | LAZA | LAZARES FURS | | | SCAC4 |
| 812 | LAZD | LAZ DELIVERY SERVICE INC | | | SCAC3 |
| 813 | LAZE | LAZER TRUCK LINES | | | SCAC3 |
| 814 | LAZE | LAZER TRUCK LINES INC | | | SCAC4 |
| 815 | LAZF | LAZAR FUEL CO | | | SCAC4 |
| 816 | LAZJ | LAZARO, J TRUCKING | | | SCAC3 |
| 817 | LAZL | LAZY LOU RANCH | | | SCAC4 |
| 818 | LAZM | LAZARUS, MACK MOBILEHOMES | | | SCAC3 |
| 819 | LAZO | LVZ TRUCKING CO | | | SCAC3 |
| 820 | LAZR | LAZER EXPRESS INC | | | SCAC4 |
| 821 | LAZT | LATTZ TRUCKING | | | SCAC3 |
| 822 | LAZT | LAZ TRANSPORTATION | | | SCAC4 |
| 823 | LAZU | LAZER LINE | | | SCAC3 |
| 824 | LAZW | LANTZ, WAYNE | | | SCAC3 |
| 825 | LAZX | Lazote Inc. | 7/1930 | | NAKINA |
| 826 | LAZX | LAZOTE, INC.. | | | PWRC |
| 827 | LB | Lloyd Aereo Boliviano S.A. (LAB) | ICAO: LLB, Callsign: Lloydaereo, IATA Prefix: 051, Ceased Operations | BOL | AVCODES |
| 828 | LB | Belle Air Company | ICAO: LBY, Callsign: Alban-Belle, IATA designator changed to LZ | AL | AVCODES |
| 829 | LB | LEPL Projects Limited t/a Air Costa | ICAO: LEP, Callsign: Lecosta, Commenced operations on 15 October 2013. Suspended operations on 28 February 2017. | IND | AVCODES |
| 830 | LB | Bul Air Ltd | ICAO: BVL, Callsign: Bulgary, | BG | AVCODES |
| 831 | LB | Bul Air Ltd | ICAO: BVL, Callsign: Bulgary, | BG | AVCODES |
| 832 | LB | Langelandsbanen | 1911 - 1962 | DK | jernbanen.dk |
| 833 | LB | Lokalbanen A/S | 2002 - | DK | jernbanen.dk |
| 834 | LB | Lokalbanen A/S | | DK | TRAFFIC |
| 835 | LB | Lokalbanen A/S | | DK | VKM |
| 836 | LBA | Liberia Airways, Inc. | Callsign: Liberia Airways, | LB | AVCODES |
| 837 | LBA | Logistikbasis der Armee | | CH | VKM |
| 838 | LBAA | LUPEL, BARBARA A | | | SCAC4 |
| 839 | LBAG | LA PARFUMERIE | | | SCAC4 |
| 840 | LBAK | LABAT TRUCKING | | | SCAC3 |
| 841 | LBAK | LITTLE BLACK TRUCKING LLC | | | SCAC4 |
| 842 | LBAN | LITTLE BRITAIN AG SUPPLY INC | | | SCAC4 |
| 843 | LBAR | LABATTE, BARRY | | | SCAC4 |
| 844 | LBAS | LBA LEASING | | | SCAC3 |
| 845 | LBB | Libyan Bluebird | Callsign: Libyan Bluebird, | LAR | AVCODES |
| 846 | LBBC | LIBERTY BELL CHARTER | | | SCAC3 |
| 847 | LBBE | LABBE BROTHERS TRUCKING INC | | | SCAC3 |
| 848 | LBBI | LIBERIAN BISON TRANSPORTS, INC. | | | SCAC3 |
| 849 | LBBK | LINDSEY BROTHERS BULK LLC | | | SCAC4 |
| 850 | LBBL | LIBERTY BELL TRANSPORTATION INC | | | SCAC4 |
| 851 | LBBM | LONG BEACH BUILDING MATERIAL COMPAN | | | SCAC3 |
| 852 | LBBT | LIBERIAN BISON TRANSPORTS INC | | | SCAC3 |
| 853 | LBBU | COMPANIA DE NAVEGACAO LLOYD | | | SCAC3 |
| 854 | LBBU | COMPANIA DE NAVEGACAO LLOYD | | | SCAC4 |
| 855 | LBC | Albanian Airlines MAK S.H.P.K. | IATA: LV, Callsign: Albanian, IATA Prefix: 639, Licence revoked by CAA on 11 November 2011. | AL | AVCODES |
| 856 | LBC | Albanian Airlines | IATA: LV | | ICAO1 |
| 857 | LBCA | L B CARTAGE INC | | | SCAC3 |
| 858 | LBCB | L B CARRIERS | | | SCAC4 |
| 859 | LBCC | LARGE BULKCARRIER CORPORATION | | | SCAC3 |
| 860 | LBCE | L & B COMET EXPRESS | | | SCAC3 |
| 861 | LBCH | LEBCHRIS CORPORATION | | | SCAC4 |
| 862 | LBCK | LABELLA SAUSAGE INC | | | SCAC4 |
| 863 | LBCL | LIBERTY CAB & LIMOUSINE CO INC | | | SCAC3 |
| 864 | LBCM | LABORATORY OF CLINICAL MEDICINE, TH | | | SCAC3 |
| 865 | LBCN | LBC CONTRACTING LTD | | | SCAC4 |
| 866 | LBCO | LEBCO INC | | | SCAC3 |
| 867 | LBCP | LIBERA CORPORATION | | | SCAC3 |
| 868 | LBCQ | LBC LOGISTICS | | | SCAC4 |
| 869 | LBCR | LIBERIAN STRANCHION TRANSPORT INC | | | SCAC3 |
| 870 | LBCS | LINARES BROTHERS CORPORATION | | | SCAC4 |
| 871 | LBCT | LIBERIAN CORAL TRANSPORTS, INC | | | SCAC3 |
| 872 | LBCT | LONG BEACH CONTAINER TRANSPORT | | | SCAC4 |
| 873 | LBCU | LIEBHERR-WERK BIBERACH GMBH | | D | BIC |
| 874 | LBCU | LIEBHERR-WERK BIBERACH GMBH | | | SCAC4 |
| 875 | LBCV | LBC TRANSPORTATION SERVICES LLC | | | SCAC4 |
| 876 | LBCW | LIBERA CORPORATION | | | SCAC4 |
| 877 | LBCX | LEWISBURG & BUFFALO CREEK (OUT OF BUSINESS 12/31/97) | | | PWRC |
| 878 | LBD | Propellfly AS | Callsign: Lightbird, | N | AVCODES |
| 879 | LBDC | LAKESIDE BAKERY DELI CAFE | | | SCAC4 |
| 880 | LBDG | LANDBRIDGE TRANSPORTATION | | | SCAC4 |
| 881 | LBDI | LAB DISTRIBUTING INC | | | SCAC3 |
| 882 | LBDK | Langelandsbanen | Real: LB, 1911 - 1962 | DK | TRAFFIC |
| 883 | LBDL | LOBDELL TRANSPORTATION INC | | | SCAC3 |
| 884 | LBDS | LA BUENA DE SAN LUIS USA LLC | | | SCAC4 |
| 885 | LBDT | LABRAD TRANSPORTATION | | | SCAC3 |
| 886 | LBE | Elbee Airlines | Callsign: Elbee Airline, | IND | AVCODES |
| 887 | LBE | Lübeck-Büchener Eisenbahn | | D | TRAFFIC |
| 888 | LBEA | LA BOITE A REBUTS LTEE | | | SCAC3 |
| 889 | LBEB | LE BROC ENTERPRISES INC | | | SCAC4 |
| 890 | LBEB | Long Beach Bus | City: Long Beach (NY) | USA | TRAFFIC |
| 891 | LBEE | LARABEE FUEL CO INC | | | SCAC4 |
| 892 | LBEG | LIBERTY BAY EXCAVATING | | | SCAC4 |
| 893 | LBEK | LUMBEE TRUCKING CO | | | SCAC4 |
| 894 | LBEL | LIBERTY LINES INC | | | SCAC3 |
| 895 | LBEL | LIBERTY LINES INC | | | SCAC4 |
| 896 | LBEM | LAMBERT ENTERPRISES INC | | | SCAC3 |
| 897 | LBEO | LABEET TRANSPORTATION LOGISTICS LLC | | | SCAC4 |
| 898 | LBEP | LIBERTY EXPRESS | | | SCAC3 |
| 899 | LBER | LIBERTY TRANSPORT INC | | | SCAC3 |
| 900 | LBER | LIBERTY TRANSPORT INC | | | SCAC4 |
