| 1 | LG | Luxair | ICAO: LGL, Callsign: Luxair, IATA Prefix: 149, | L | AVCODES |
| 2 | LG | LAURENS GLASS | | | PWRC |
| 3 | LG | Valstybine Imone Lietuvos Gelezinkeliai | | LT | TRAFFIC |
| 4 | LG | SPAB \"Lietuvos Gelezinkeliai\" | | LT | VKM |
| 5 | LGA | Elgaz | | PL | AVCODES |
| 6 | LGAC | LOCKHEED-GEORGIA CO. | | | PWRC |
| 7 | LGAC | LOCKHEED-GEORGIA COMPANY | | | SCAC3 |
| 8 | LGAC | LEGACY LOGISTICS INC | | | SCAC4 |
| 9 | LGAD | LATIN GORILLAZ TRANSPORT INC | | | SCAC4 |
| 10 | LGAN | LOGAN TRANSPORTATION COMPANY | | | SCAC3 |
| 11 | LGAO | LOGIPIA AMERICA CORPORATION | | | SCAC4 |
| 12 | LGAP | LEGGETT & PLATT INC | | | SCAC3 |
| 13 | LGAP | LEGGETT & PLATT INCORPORATED | | | SCAC4 |
| 14 | LGAR | LOZA GUTIERREZ, ARNOLDO (MX-586380) | | | SCAC4 |
| 15 | LGAS | LOGAN AGRI-SERVICE INC | | | SCAC4 |
| 16 | LGAT | LANGAAS TRUCKING | | | SCAC3 |
| 17 | LGAT | Linde Gas GmbH | | AT | VKM |
| 18 | LGAU | LINGGAS (TIANJIN) LIMITED | | PRC | BIC |
| 19 | LGAX | Lockheed-Georgia Co. | added 4/1970; 4/1970; eliminated 4/1973; added 4/1979; 1/1980; eliminated 7/1990 | | NAKINA |
| 20 | LGAX | Lockheed-Georgia Co. | added 4/70; 4/70; eliminated 4/73; added 4/79; 1/80; eliminated 7/90 | | NRHS |
| 21 | LGAX | LOCKHEED-GEORGIA CO. | | | PWRC |
| 22 | LGAX | Lockheed-Georgia | | | RSRV |
| 23 | LGB | LEGAN BUS LINES LTD | | | SCAC4 |
| 24 | LGBC | LIGHTIN BOLDT INCORPORATED | | | SCAC4 |
| 25 | LGBD | LONGOBARDI FUEL OIL INC | | | SCAC4 |
| 26 | LGBG | Linde Gas Bulgaria EOOD | | BG | VKM |
| 27 | LGBJ | LANGDON, BRYAN JAMES | | | SCAC3 |
| 28 | LGBJ | LOCKER TRUCKING INC | | | SCAC4 |
| 29 | LGBL | LANG, BYRON L INC | | | SCAC3 |
| 30 | LGBL | LANG, BYRON L INC | | | SCAC4 |
| 31 | LGBS | LUGA BAY SHIPPING CORPORATION | | | SCAC3 |
| 32 | LGBS | LEGEND BOATS | | | SCAC4 |
| 33 | LGC | Legacy Air Co., Ltd. | IATA: L4, Callsign: Legacy Air, Founded in 2009 | T | AVCODES |
| 34 | LGCA | LOGISTICA INTEGRADA SA | | | SCAC3 |
| 35 | LGCC | LGC TRANSPORT CORPORATION | | | SCAC4 |
| 36 | LGCD | LEGACY LOGISTICS LLC | | | SCAC4 |
| 37 | LGCE | LOGICORP ENTERPRISES LLC | | | SCAC4 |
| 38 | LGCF | LOGO CARRIERS | | | SCAC4 |
| 39 | LGCG | LANDERS, GENE CRAIG | | | SCAC3 |
| 40 | LGCG | LANG, JAMES INC | | | SCAC4 |
| 41 | LGCI | LIGHTNING COURIER INC | | | SCAC3 |
| 42 | LGCL | LANG-DEL CONSTRUCTION LTD | | | SCAC3 |
| 43 | LGCO | LEVINGE CORPORATION | | | SCAC3 |
| 44 | LGCO | L & G COURIER | | | SCAC4 |
| 45 | LGCP | LOUISIANA GROCERY COOP | | | SCAC3 |
| 46 | LGCQ | LOGIC TRANS LLC | | | SCAC4 |
| 47 | LGCS | LOGISTIC SERVICES INC | | | SCAC3 |
| 48 | LGCS | London General Country Services | | GB | TRAFFIC |
| 49 | LGCU | LOGICO-LOGISTYKA KONTENEROWA | | | SCAC4 |
| 50 | LGCV | L & G CARGO SERVICES INC | | | SCAC4 |
| 51 | LGCX | La Prairie Group Contractors (Alberta) Ltd. | 7/2005 (not listed) | | NAKINA |
| 52 | LGCX | Lincoln Gas Coal Co. | 7/1930 | | NAKINA |
| 53 | LGCX | *LINCOLN GAS COAL CO. | | | PWRC |
| 54 | LGCX | +LA PRAIRIE GROUP CONTRACTORS (ALBERTA) LTD. | | | PWRC |
| 55 | LGCX | La Prairie Group Contractors | | | RSRV |
| 56 | LGCX | LA PRAIRIE GROUP CONTRACTORS (ALBER | | | SCAC4 |
| 57 | LGCY | LEGACY TRANSPORTATION INC | | | SCAC3 |
| 58 | LGCY | LEGACY TRANSPORTATION INC | | | SCAC4 |
| 59 | LGD | Legend Airlines, Inc. | IATA: LC, Callsign: Legendary, Ceased operations on 03 December 2002. | USA | AVCODES |
| 60 | LGD | Legend Airlines | | | ICAO1 |
| 61 | LGD | Fa. Linde AG | | DE | VKM |
| 62 | LGDC | LTL GROUND INC | | | SCAC4 |
| 63 | LGDF | LANGDALE FUEL CO | | | SCAC4 |
| 64 | LGDG | LIGHTNING DRAYAGE CO | | | SCAC3 |
| 65 | LGDG | LG TRUCKING | | | SCAC4 |
| 66 | LGDL | LOGISTICS DIRECT LLC | | | SCAC4 |
| 67 | LGDS | LIGHTNING DELIVERY SERVICE | | | SCAC3 |
| 68 | LGDS | LANGFORD DOORS & CABINETS | | | SCAC4 |
| 69 | LGDV | LONGHORN DROVERS | | | SCAC3 |
| 70 | LGDV | LITTLE GUYS DELIVERY SERVICE INC | | | SCAC4 |
| 71 | LGDW | LANGE, DAVID W | | | SCAC3 |
| 72 | LGE | Lego System A/S | Callsign: Lego, Name changed from Lego Campany. ICAO designator changed to LGO | DK | AVCODES |
| 73 | LGEA | L G EXPRESS | | | SCAC4 |
| 74 | LGEB | LA-GRANGE EXPRESS | | | SCAC4 |
| 75 | LGEC | LOGTEC | | | SCAC4 |
| 76 | LGED | LAMPRECHT, GEORGE | | | SCAC4 |
| 77 | LGEG | LASCHEWSKI, GEORGE | | | SCAC4 |
| 78 | LGEH | LIMA GREENHOUSES INC | | | SCAC4 |
| 79 | LGEJ | LOS GALLOS ENTERPRISE | | | SCAC4 |
| 80 | LGEL | LAVIGNE, GERRY LTD | | | SCAC3 |
| 81 | LGEM | LANGE, M INC | | | SCAC3 |
| 82 | LGEN | LEGEND TRANSPORTATION INC | | | SCAC3 |
| 83 | LGEN | LEBLANC, G E INC | | | SCAC4 |
| 84 | LGEN | London General | | GB | TRAFFIC |
| 85 | LGEO | LUNA GALVEZ, ERNESTO | | | SCAC4 |
| 86 | LGEP | LANG ENTERPRISES INC | | | SCAC3 |
| 87 | LGEQ | LIDHAR GLOBAL EXPRESS INC | | | SCAC4 |
| 88 | LGER | LEGER & SON INC | | | SCAC4 |
| 89 | LGET | LOGISTICA EN TRANSPORTE INTERNACION | | | SCAC4 |
| 90 | LGEU | CARU CONTAINERS BV | | NL | BIC |
| 91 | LGEU | CATU CONTAINERS S.A. | | | PWRC |
| 92 | LGEU | CATU Containers | | | RSRV |
| 93 | LGEU | CATU CONTAINERS S. A. | | | SCAC3 |
| 94 | LGEU | CONTAINER ASSOCIATION ROTTERDAM BV | | | SCAC4 |
| 95 | LGEX | L.G. Everist, Inc. | added 7/1971; 1/1975-7/2005 | | NAKINA |
| 96 | LGEX | Louisville Gas & Electric Co. | 8/1920-7/1923 | | NAKINA |
| 97 | LGEX | L.G. Everist, Inc. | 1/75-7/2000 | | NRHS |
| 98 | LGEX | *LOUISVILLE GAS & ELECTRIC CO. | | | PWRC |
| 99 | LGEX | +L. G. EVERIST INC | | | PWRC |
| 100 | LGEX | L.G. Everist | | | RSRV |
