| 1 | LB | Lloyd Aereo Boliviano S.A. (LAB) | ICAO: LLB, Callsign: Lloydaereo, IATA Prefix: 051, Ceased Operations | BOL | AVCODES |
| 2 | LB | Belle Air Company | ICAO: LBY, Callsign: Alban-Belle, IATA designator changed to LZ | AL | AVCODES |
| 3 | 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 |
| 4 | LB | Bul Air Ltd | ICAO: BVL, Callsign: Bulgary, | BG | AVCODES |
| 5 | LB | Bul Air Ltd | ICAO: BVL, Callsign: Bulgary, | BG | AVCODES |
| 6 | LB | Langelandsbanen | 1911 - 1962 | DK | jernbanen.dk |
| 7 | LB | Lokalbanen A/S | 2002 - | DK | jernbanen.dk |
| 8 | LB | Lokalbanen A/S | | DK | TRAFFIC |
| 9 | LB | Lokalbanen A/S | | DK | VKM |
| 10 | LBA | Liberia Airways, Inc. | Callsign: Liberia Airways, | LB | AVCODES |
| 11 | LBA | Logistikbasis der Armee | | CH | VKM |
| 12 | LBAA | LUPEL, BARBARA A | | | SCAC4 |
| 13 | LBAG | LA PARFUMERIE | | | SCAC4 |
| 14 | LBAK | LABAT TRUCKING | | | SCAC3 |
| 15 | LBAK | LITTLE BLACK TRUCKING LLC | | | SCAC4 |
| 16 | LBAN | LITTLE BRITAIN AG SUPPLY INC | | | SCAC4 |
| 17 | LBAR | LABATTE, BARRY | | | SCAC4 |
| 18 | LBAS | LBA LEASING | | | SCAC3 |
| 19 | LBB | Libyan Bluebird | Callsign: Libyan Bluebird, | LAR | AVCODES |
| 20 | LBBC | LIBERTY BELL CHARTER | | | SCAC3 |
| 21 | LBBE | LABBE BROTHERS TRUCKING INC | | | SCAC3 |
| 22 | LBBI | LIBERIAN BISON TRANSPORTS, INC. | | | SCAC3 |
| 23 | LBBK | LINDSEY BROTHERS BULK LLC | | | SCAC4 |
| 24 | LBBL | LIBERTY BELL TRANSPORTATION INC | | | SCAC4 |
| 25 | LBBM | LONG BEACH BUILDING MATERIAL COMPAN | | | SCAC3 |
| 26 | LBBT | LIBERIAN BISON TRANSPORTS INC | | | SCAC3 |
| 27 | LBBU | COMPANIA DE NAVEGACAO LLOYD | | | SCAC3 |
| 28 | LBBU | COMPANIA DE NAVEGACAO LLOYD | | | SCAC4 |
| 29 | 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 |
| 30 | LBC | Albanian Airlines | IATA: LV | | ICAO1 |
| 31 | LBCA | L B CARTAGE INC | | | SCAC3 |
| 32 | LBCB | L B CARRIERS | | | SCAC4 |
| 33 | LBCC | LARGE BULKCARRIER CORPORATION | | | SCAC3 |
| 34 | LBCE | L & B COMET EXPRESS | | | SCAC3 |
| 35 | LBCH | LEBCHRIS CORPORATION | | | SCAC4 |
| 36 | LBCK | LABELLA SAUSAGE INC | | | SCAC4 |
| 37 | LBCL | LIBERTY CAB & LIMOUSINE CO INC | | | SCAC3 |
| 38 | LBCM | LABORATORY OF CLINICAL MEDICINE, TH | | | SCAC3 |
| 39 | LBCN | LBC CONTRACTING LTD | | | SCAC4 |
| 40 | LBCO | LEBCO INC | | | SCAC3 |
| 41 | LBCP | LIBERA CORPORATION | | | SCAC3 |
| 42 | LBCQ | LBC LOGISTICS | | | SCAC4 |
| 43 | LBCR | LIBERIAN STRANCHION TRANSPORT INC | | | SCAC3 |
| 44 | LBCS | LINARES BROTHERS CORPORATION | | | SCAC4 |
| 45 | LBCT | LIBERIAN CORAL TRANSPORTS, INC | | | SCAC3 |
| 46 | LBCT | LONG BEACH CONTAINER TRANSPORT | | | SCAC4 |
| 47 | LBCU | LIEBHERR-WERK BIBERACH GMBH | | D | BIC |
| 48 | LBCU | LIEBHERR-WERK BIBERACH GMBH | | | SCAC4 |
| 49 | LBCV | LBC TRANSPORTATION SERVICES LLC | | | SCAC4 |
| 50 | LBCW | LIBERA CORPORATION | | | SCAC4 |
| 51 | LBCX | LEWISBURG & BUFFALO CREEK (OUT OF BUSINESS 12/31/97) | | | PWRC |
| 52 | LBD | Propellfly AS | Callsign: Lightbird, | N | AVCODES |
| 53 | LBDC | LAKESIDE BAKERY DELI CAFE | | | SCAC4 |
| 54 | LBDG | LANDBRIDGE TRANSPORTATION | | | SCAC4 |
| 55 | LBDI | LAB DISTRIBUTING INC | | | SCAC3 |
| 56 | LBDK | Langelandsbanen | Real: LB, 1911 - 1962 | DK | TRAFFIC |
| 57 | LBDL | LOBDELL TRANSPORTATION INC | | | SCAC3 |
| 58 | LBDS | LA BUENA DE SAN LUIS USA LLC | | | SCAC4 |
| 59 | LBDT | LABRAD TRANSPORTATION | | | SCAC3 |
| 60 | LBE | Elbee Airlines | Callsign: Elbee Airline, | IND | AVCODES |
| 61 | LBE | Lübeck-Büchener Eisenbahn | | D | TRAFFIC |
| 62 | LBEA | LA BOITE A REBUTS LTEE | | | SCAC3 |
| 63 | LBEB | LE BROC ENTERPRISES INC | | | SCAC4 |
| 64 | LBEB | Long Beach Bus | City: Long Beach (NY) | USA | TRAFFIC |
| 65 | LBEE | LARABEE FUEL CO INC | | | SCAC4 |
| 66 | LBEG | LIBERTY BAY EXCAVATING | | | SCAC4 |
| 67 | LBEK | LUMBEE TRUCKING CO | | | SCAC4 |
| 68 | LBEL | LIBERTY LINES INC | | | SCAC3 |
| 69 | LBEL | LIBERTY LINES INC | | | SCAC4 |
| 70 | LBEM | LAMBERT ENTERPRISES INC | | | SCAC3 |
| 71 | LBEO | LABEET TRANSPORTATION LOGISTICS LLC | | | SCAC4 |
| 72 | LBEP | LIBERTY EXPRESS | | | SCAC3 |
| 73 | LBER | LIBERTY TRANSPORT INC | | | SCAC3 |
| 74 | LBER | LIBERTY TRANSPORT INC | | | SCAC4 |
| 75 | LBES | LOBO EXPRESS LLC | | | SCAC4 |
| 76 | LBET | LEFEBER BLOCK AND PAVER | | | SCAC4 |
| 77 | LBEY | LIBERTY TRANSPORT | | | SCAC3 |
| 78 | LBF | Air Force of Libya | Callsign: Libyan Airforce, | LAR | AVCODES |
| 79 | LBFA | LIMOUSINES BY FIFTH AVENUE | | | SCAC3 |
| 80 | LBFB | LAKE BEND FREIGHT BROKERS | | | SCAC4 |
| 81 | LBFG | LAMBERT FREIGHT INC | | | SCAC3 |
| 82 | LBFI | LAMB FUELS INCORPORATED | | | SCAC4 |
| 83 | LBFL | LIBERTY FUEL | | | SCAC3 |
| 84 | LBFQ | LEBOEWF, WENDELL O | | | SCAC3 |
| 85 | LBFU | LOGIX BULK FORWARDING B.V. | | NL | BIC |
| 86 | LBFX | L.B. Foster Co. | 7/2000-7/2005 (not listed) | | NAKINA |
| 87 | LBFX | L.B. Foster Co. | Jul-00 | | NRHS |
| 88 | LBFX | L. B. FOSTER COMPANY | | | PWRC |
| 89 | LBFX | L.B. Foster | | | RSRV |
| 90 | LBFX | LB FOSTER COMPANY | | | SCAC4 |
| 91 | LBFZ | L. B. FOSTER COMPANY | | | PWRC |
| 92 | LBGA | LOPEZ BURNIAS, GUADALUPE ALBERTO | | | SCAC4 |
| 93 | LBGC | LBG TRANSPORTATION LLC | | | SCAC4 |
| 94 | LBGP | LIONBRIDGE TRANSPORT | | | SCAC4 |
| 95 | LBGR | LINEBARGER TRUCKING | | | SCAC3 |
| 96 | LBGR | LIBERTY GLORY CORPORATION | | | SCAC4 |
| 97 | LBGT | LIBERIAN BEGONIA TRANSPORTS, INC. | | | SCAC3 |
| 98 | LBGU | LUBIAO CONTAINER CO., LTD | | BVI | BIC |
| 99 | LBH | L.B. Limited | IATA: 7Z, Callsign: Laker Bahamas, IATA Prefix: 569, Name changed to Laker Airways (Bahamas) Limited. Operates as Laker Airways (Bahamas) Ltd. | USA | AVCODES |
| 100 | LBH | Laker Airways (Bahamas) Limited. | IATA: 7Z, Callsign: Laker Bahamas, IATA Prefix: 569, Name changed from L.B. Limited | USA | AVCODES |
