| 3201 | LGSX | MidAmerican Energy | | | RSRV |
| 3202 | LGT | Longtail Aviation International Ltd | IATA: 6T, Callsign: Longtail, IATA Prefix: 388, | BM | AVCODES |
| 3203 | LGT | Longtail Aviation | | | ICAO1 |
| 3204 | LGTA | LIGHTNING TRANSPORTATION INC | | | SCAC3 |
| 3205 | LGTA | LAGO TRANSPORTATION CORP | | | SCAC4 |
| 3206 | LGTB | LE GRAND TOURS | | | SCAC3 |
| 3207 | LGTB | LIGHTING BOUTIQUE INC, THE | | | SCAC4 |
| 3208 | LGTC | LIVINGSTONE TRUCKING | | | SCAC4 |
| 3209 | LGTE | LIGHT-TECH INC | | | SCAC3 |
| 3210 | LGTF | LEGAULT TIRE (1993) LTD | | | SCAC4 |
| 3211 | LGTG | LOGAN TRUCKING INC | | | SCAC3 |
| 3212 | LGTH | L G TRUCKING INC | | | SCAC3 |
| 3213 | LGTI | L G TRUCKING | | | SCAC3 |
| 3214 | LGTJ | L & G TRUCKING | | | SCAC3 |
| 3215 | LGTL | LIGHTNING TRANSPORTATION LLC | | | SCAC4 |
| 3216 | LGTM | LANGONE TRANSPORT | | | SCAC3 |
| 3217 | LGTM | LEGACY TRANSPORTATION SYSTEMS LLC | | | SCAC4 |
| 3218 | LGTN | LAMONTAGNE, GASTON INC | | | SCAC4 |
| 3219 | LGTO | LIGHTNING TRANSPORTATION CO | | | SCAC3 |
| 3220 | LGTP | LOAD & GO TRANSPORT INC | | | SCAC3 |
| 3221 | LGTP | LOGI-TRANS INC | | | SCAC4 |
| 3222 | LGTQ | LONG'S TRANSFER & STORAGE, INC | | | SCAC3 |
| 3223 | LGTQ | LONGS TRANSFER & STORAGE INC | | | SCAC4 |
| 3224 | LGTR | LANG TRANSPORT LTD | | | SCAC3 |
| 3225 | LGTRN | LOGITREN FERROVIARIA S.A. | | ES | VKM |
| 3226 | LGTT | L & G TRANSIT INC | | | SCAC3 |
| 3227 | LGTU | LGT LOJISTIK A.S. | | TR | BIC |
| 3228 | LGTU | LIQUID & GAS TRANSPORT, INC. | | | PWRC |
| 3229 | LGTU | Liquid and Gas Transport | | | RSRV |
| 3230 | LGTU | LIQUID AND GAS TRANSPORT 'LGT' B.V. | | | SCAC3 |
| 3231 | LGTV | LONGS TRUCKING | | | SCAC3 |
| 3232 | LGTW | LOGAN, GEORGE TOWING SERVICE | | | SCAC3 |
| 3233 | LGTW | LOGAN, GEORGE TOWING INC | | | SCAC4 |
| 3234 | LGTX | Logistechs, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 3235 | LGTX | Logistechs, Inc. | Jul-00 | | NRHS |
| 3236 | LGTX | LOGISTECHS, INC. | | | PWRC |
| 3237 | LGTX | Logistechs | | | RSRV |
| 3238 | LGTX | LOGISTECHS INC | | | SCAC4 |
| 3239 | LGU | Servicios Aereos Ejecutivos de La Laguna, S.A. de C.V. | Callsign: Laguna, | MEX | AVCODES |
| 3240 | LGU | Servicios Aereos Ejecutivos De La Laguna | | | ICAO1 |
| 3241 | LGUM | LANGUM, LEONARD & SON | | | SCAC3 |
| 3242 | LGUS | LONE STAR ANGUS/PERFECTION LLAMAS | | | SCAC4 |
| 3243 | LGV | Ligonier Valley R.R. Co. | 8/1920-7/1954 | | NAKINA |
| 3244 | LGV | Ligonier Valley R.R. Co. | 4/38-1/52 | | NRHS |
| 3245 | LGV | LIGONIER VALLEY RAILROAD CO. | | | PWRC |
| 3246 | LGVA | LONGVIEW AIR FREIGHT, Longview Limosine & Air Freight Service, | | | SCAC3 |
| 3247 | LGVN | LAGOVEN S A | | | SCAC3 |
| 3248 | LGVU | ORANO DS - DEMENTELEMENT ET SERVICES | | F | BIC |
| 3249 | LGVU | S T M I AGENCE U T M | | | SCAC4 |
| 3250 | LGVW | LONGVIEW TUGBOAT COMPANY | | | SCAC3 |
| 3251 | LGW | LGW-Luftfahrtgesellschaft Walter GmbH | IATA: HE, Callsign: Walter, Filed for insolvency on 22 April 2020. | D | AVCODES |
| 3252 | LGW | Compagne Aerienne Du Languedoc | IATA: WL, | F | AVCODES |
| 3253 | LGW | Luftfahrtgesellschaft Walter | IATA: HE | | ICAO1 |
| 3254 | LGWH | LOGISTICS WAREHOUSE LLC | | | SCAC4 |
| 3255 | LGWI | LEGS AND WHEELS INC | | | SCAC3 |
| 3256 | LGWK | LEGEND WAREHOUSE & TRUCKING | | | SCAC4 |
| 3257 | LGWM | LARRYS GREAT WESTERN MEATS | | | SCAC3 |
| 3258 | LGWO | LONGWORTH TRUCKING | | | SCAC3 |
| 3259 | LGWT | LAKE GENEVA WAREHOUSE & TRANSFER CO | | | SCAC3 |
| 3260 | LGWY | LONGWAY TRUCKING CORP | | | SCAC4 |
| 3261 | LGX | Lehigh Bottled Gas, Division of National Propane Corp. | added 10/1956; eliminated 7/1957 | | NAKINA |
| 3262 | LGX | Lehigh, Inc. | 1/1950-7/1954; eliminated 10/1956 | | NAKINA |
| 3263 | LGX | Lehigh Gas Inc. | 1/1946-4/1947 | | NAKINA |
| 3264 | LGX | Lehigh, Inc. | Jan-52 | | NRHS |
| 3265 | LGX | LEHIGH BOTTLED GAS, DIV. NATIONAL PROPANE CO. | | | PWRC |
| 3266 | LGXA | LG TRANSPORT | | | SCAC4 |
| 3267 | LGXD | LOGISTICAL TRANSPORTATION COMPANY I | | | SCAC4 |
| 3268 | LGXH | LAGOMARSINO TRANSPORTATION | | | SCAC4 |
| 3269 | LGXI | LEGEND EXPRESS INC | | | SCAC3 |
| 3270 | LGXJ | LEAGUER TRANSPORTATION LLC | | | SCAC4 |
| 3271 | LGXM | LEGA TRANS INC | | | SCAC4 |
| 3272 | LGXN | LOGISTXS TRANSPORT | | | SCAC4 |
| 3273 | LGXO | LEGEND TRANSPORT | | | SCAC4 |
| 3274 | LGXP | LIGHTNING EXPRESS | | | SCAC3 |
| 3275 | LGXQ | LOGAN TRANSPORT INC | | | SCAC4 |
| 3276 | LGXR | LOGISTIXS GROUP | | | SCAC4 |
| 3277 | LGXS | LIGHTNING EXPRESS INC | | | SCAC4 |
| 3278 | LGXT | LOGIX TRANSPORTATION INC | | | SCAC4 |
| 3279 | LGXU | LOGIX S.A. | | RA | BIC |
| 3280 | LGXV | LIGHTHOUSE TRANSPORTATION SERVICES | | | SCAC4 |
| 3281 | LGXW | LOGEX TRANSPORTATION AND WAREHOUSIN | | | SCAC4 |
| 3282 | LGXY | LOS GORDOS TRANSPORT | | | SCAC4 |
| 3283 | LGYC | LEGACY TRANSPORT LOGISTICS | | | SCAC4 |
| 3284 | LGYL | LEGACY LOGISTICS LLC | | | SCAC4 |
| 3285 | LGYQ | LEGACY TRANSPORTATION INC | | | SCAC4 |
| 3286 | LGYW | LEGACY WORLDWIDE LOGISTICS INC | | | SCAC4 |
| 3287 | LGZ | Intergaz | Callsign: Arna, | KZ | AVCODES |
| 3288 | LGZL | LOGISTICIZE LTD | | | SCAC4 |
| 3289 | LH | Deutsche Lufthansa AG | ICAO: DLH, Callsign: Lufthansa, IATA Prefix: 220, | D | AVCODES |
| 3290 | LH | Lufthansa Cargo AG | ICAO: GEC, Callsign: Lufthansa Cargo, IATA Prefix: 020, Designator YY recalled by IATA | D | AVCODES |
| 3291 | LH | Lufthansa | | D | TRAFFIC |
| 3292 | LH&G | Lufkin, Hemphill & Gulf Ry. Co. | 7/1923-7/1936 | | NAKINA |
| 3293 | LH&G | LUFKIN, HEMPHILL & GULF RWY. CO. | | | PWRC |
| 3294 | LH&S | Louisville, Henderson & St. Louis Ry. Co. | 4/1938 | | NAKINA |
| 3295 | LH&S | Louisville, Henderson & St. Louis Ry. Co. (Louisville & Nashville R.R. Co.) | 7/1930-7/1936 | | NAKINA |
| 3296 | LH&S | Louisville, Henderson & St. Louis Ry. Co. | 8/1920-7/1923 | | NAKINA |
| 3297 | LH&S | LOUISVILLE, HENDERSON & ST. LOUIS RWY. CO. | | | PWRC |
| 3298 | LHA | Guangdong Longhao Airlines Co., Ltd. | IATA: GI, Callsign: Air Canton, Name changed to Zhongyuan Longhao Airlines Co., Ltd. Commenced operations on 29 March 2017. | PRC | AVCODES |
| 3299 | LHA | Zhongyuan Longhao Airlines Co., Ltd. | IATA: GI, Callsign: Air Canton, Name changed to China Central Longhao Airlines Co., Ltd. Name changed from Guangdong Longhao Airlines Co., Ltd. Commenced operations on 29 March 2017. | PRC | AVCODES |
| 3300 | LHA | China Central Airlines Co., Ltd. | IATA: GI, Callsign: Air Canton, Name changed from Zhongyuan Longhao Airlines Co., Ltd. and previously changed from Guangdong Longhao Airlines Co., Ltd. Commenced operations on 29 March 2017. | PRC | AVCODES |
