| 1 | LI | Leeward Islands Air Transport (1974) Ltd. (LIAT) | ICAO: LIA, Callsign: LIAT, IATA Prefix: 140, | AG | AVCODES |
| 2 | LI | Leeward Islands Air Transport Ltd. (LIAT) | Callsign: LIAT, Ceased operations | AG | AVCODES |
| 3 | LI | LIAT (1974) Ltd. | ICAO: LIA, Callsign: LIAT, IATA Prefix: 140, Entered in administration on 24/07/2020. | AG | AVCODES |
| 4 | LI | ETF Airways d.o.o. | ICAO: EZZ, Callsign: Enterprize, | HR | AVCODES |
| 5 | LI | The Long Island Rail Road Co. | 1/1975-1/1994; eliminated 1/1998; 7/2000-7/2005 | | NAKINA |
| 6 | LI | The Long Island Rail Road Co. | 1/75-1/94; eliminated 1/98; 7/2000 | | NRHS |
| 7 | LI | LONG ISLAND RAIL ROAD CO. | | | PWRC |
| 8 | LI | Long Island Rail Road | | | RSRV |
| 9 | LI | Linea S.p.A. | | IT | VKM |
| 10 | LIA | Leeward Islands Air Transport (1974) Ltd. (LIAT) | IATA: LI, Callsign: LIAT, IATA Prefix: 140, | AG | AVCODES |
| 11 | LIA | LIAT (1974) Ltd. | IATA: LI, Callsign: LIAT, IATA Prefix: 140, Entered in administration on 24/07/2020. | AG | AVCODES |
| 12 | LIA | Leeward Islands Air Transport | IATA: LI | | ICAO1 |
| 13 | LIAE | LIDO VAN & STORAGE | | | SCAC4 |
| 14 | LIAF | LINCOLN AVIATION INSTITUTE | | | SCAC3 |
| 15 | LIAF | LIBERTY GAIT INC | | | SCAC4 |
| 16 | LIAG | LOGISTICS INTERNATIONAL LLC | | | SCAC4 |
| 17 | LIAI | LINGTNING AIR FREIGHT | | | SCAC3 |
| 18 | LIAK | LANELINKS INC | | | SCAC4 |
| 19 | LIAL | LISMORE COLONY | | | SCAC4 |
| 20 | LIAO | LIEBMAN, LEO DRAYAGE | | | SCAC3 |
| 21 | LIAO | LINCOLN FREIGHT COMPANY LLC | | | SCAC4 |
| 22 | LIAQ | LIAN TRUCKING INC | | | SCAC4 |
| 23 | LIAS | LIMA & SONS | | | SCAC3 |
| 24 | LIAS | LIPHAM CONSTRUCTION COMPANY INC | | | SCAC4 |
| 25 | LIAT | LINK, ARTHUR TRUCKING INC | | | SCAC3 |
| 26 | LIAT | LINC ALL TRUCK INC | | | SCAC4 |
| 27 | LIAV | LION TRAVEL | | | SCAC3 |
| 28 | LIAZ | Likinskiy Avtobusnyi Zavod | | SU | TRAFFIC |
| 29 | LIB | AOM-Minerve S.A. t/a Air Liberte | IATA: IJ, Callsign: Air Liberte, IATA Prefix: 718, Name changed to Air Lib. IATA changed from VD. Name changed from Air Liberte | F | AVCODES |
| 30 | LIB | Air Liberte | IATA: VD, Callsign: Air Liberte, IATA designator changed to IJ | F | AVCODES |
| 31 | LIB | Air Liberte | IATA: BT, Callsign: Air Liberte, IATA designator changed to VD | F | AVCODES |
| 32 | LIB | Air Liberte | IATA: IJ, Callsign: Air Liberte, IATA Prefix: 718, Name changed to AOM-Minerve S.A. t/a Air Liberte. IATA changed from VD | F | AVCODES |
| 33 | LIB | AOM-Minerve S.A. t/a Air Lib | IATA: IW, Callsign: Air Liberte, IATA Prefix: 646, Ceased operations on 17 Febraury 2003. Name changed to Air Lib w.e.f. 22 September 2001. IATA changed from VD. Name changed from AOM - Air Liberte | F | AVCODES |
| 34 | LIB | Ploizeihubschrauberstaffel Hamburg | | | ICAO1 |
| 35 | LIB | Lebanon | | | TRAFFIC |
| 36 | LIBC | LIBERTY CARTAGE CO, THE | | | SCAC3 |
| 37 | LIBD | LIBERTY TRANSPORT | | | SCAC4 |
| 38 | LIBE | LIBE, E B, INC | | | SCAC3 |
| 39 | LIBE | LIBE, E B, INC | | | SCAC4 |
| 40 | LIBERTY | Liberty Coaches | | USA | TRAFFIC |
| 41 | LIBF | LIBERTY TEX-PACK EXPRESS INC | | | SCAC3 |
| 42 | LIBF | LORENZO INTERNATIONAL INC | | | SCAC4 |
| 43 | LIBG | LINEBAUGH, S. C | | | SCAC3 |
| 44 | LIBG | LARGE SCREEN VIDEO IMAGING LLC | | | SCAC4 |
| 45 | LIBI | LIBERTY TRANSPORT INC | | | SCAC3 |
| 46 | LIBI | LIBERTY INTERMODAL TRANSPORT INC | | | SCAC4 |
| 47 | LIBK | LIBY TRUCKING INC | | | SCAC3 |
| 48 | LIBK | LIFT WORKS INC | | | SCAC4 |
| 49 | LIBL | LIB-COM LTD | | | SCAC3 |
| 50 | LIBL | LIBERTY LOGISTICS INC | | | SCAC4 |
| 51 | LIBLIN | Liberty Lines | | USA | TRAFFIC |
| 52 | LIBM | LIBERTY MOVERS | | | SCAC3 |
| 53 | LIBN | LIEBENOW, CARL B, INC | | | SCAC3 |
| 54 | LIBN | LIEBENOW, CARL B, INC | | | SCAC4 |
| 55 | LIBO | LIBERTY FOUNDRY CO | | | SCAC3 |
| 56 | LIBP | LIBERTY TRANSPORT INC | | | SCAC4 |
| 57 | LIBQ | LIBERTY EXPRESS INC | | | SCAC3 |
| 58 | LIBR | LINK BROS TRUCKING INC | | | SCAC3 |
| 59 | LIBR | LIBRETTI & SON LLC | | | SCAC4 |
| 60 | LIBT | LIBERTY TRANSPORTATION AND STORAGE | | | SCAC3 |
| 61 | LIBT | LES PRODUITS DE MARQUE LIBERTE | | | SCAC4 |
| 62 | LIBU | LIB LEASING | | | PWRC |
| 63 | LIBU | Lib Leasing | | | RSRV |
| 64 | LIBU | LIB LEASING | | | SCAC3 |
| 65 | LIBU | LIB LEASING | | | SCAC4 |
| 66 | LIBV | LIBERTY VAN LINES INC | | | SCAC3 |
| 67 | LIBX | LITTLE BEAVER CREEK VALLEY | | | PWRC |
| 68 | LIBY | LINDBERY, HARRY CO INC | | | SCAC3 |
| 69 | LIBY | LINDBERY, HARRY CO INC | | | SCAC4 |
| 70 | LIBYA | Libya Railways | | LY | VKM |
| 71 | LIC | Asia Sky Lines | Callsign: Asialine, | TJ | AVCODES |
| 72 | LICA | LICAUSE, JOHN TRUCKING | | | SCAC3 |
| 73 | LICA | LANCE OIL CO | | | SCAC4 |
| 74 | LICB | LONG ISLAND CONNECTICUT LIMOUSINE G | | | SCAC3 |
| 75 | LICC | LIMOUSINE CREW-CAR SERVICE | | | SCAC3 |
| 76 | LICD | LEE INDUSTRIAL CONTRACTING | | | SCAC4 |
| 77 | LICF | LINCOLN COUNTY FARM LINES | | | SCAC3 |
| 78 | LICH | LICHTI BROS OIL CO INC | | | SCAC4 |
| 79 | LICI | LINCOLN CARTING INC | | | SCAC3 |
| 80 | LICI | LYON INDUSTRIES-CHICAGO INC | | | SCAC4 |
| 81 | LICK | LICKING VALLEY OIL CO INC | | | SCAC4 |
| 82 | LICM | LICATA MOVING & STORAGE CO | | | SCAC3 |
| 83 | LICN | LINCOLN MOVING & STORAGE INC | | | SCAC3 |
| 84 | LICO | LEASEWAY INTERNATIONAL CORP | | | SCAC3 |
| 85 | LICO | LEASEWAY INTERNATIONAL CORP | | | SCAC4 |
| 86 | LICQ | LINCOLN MOVING AND STORAGE COMPANY, | | | SCAC3 |
| 87 | LICR | LINCOLN COUNTY READY MIX INC | | | SCAC3 |
| 88 | LICS | LIGHTNING CARGO SERVICES INC | | | SCAC3 |
| 89 | LICT | LINDECKER TRUCKING | | | SCAC3 |
| 90 | LICU | INTERMODAL CONTAINER SERVICE | | LT | BIC |
| 91 | LICU | Intermodal Container Service Ltd. | | | RSRV |
| 92 | LICU | INTERMODAL CONTAINER SERVICE | | | SCAC4 |
| 93 | LID | Alidaunia S.R.L. | IATA: D4, Callsign: Alida, IATA designator changed from D1 | I | AVCODES |
| 94 | LID | Alidaunia S.R.L. | IATA: D1, Callsign: Alida, IATA designator changed to D4* | I | AVCODES |
| 95 | LID | Alidaunia S.R.L. | Callsign: Alida, IATA designator changed from D1 | I | AVCODES |
| 96 | LID | Alidaunia | IATA: D4 | | ICAO1 |
| 97 | LIDA | LINDAMOOD ENTERPRISES INC | | | SCAC3 |
| 98 | LIDB | LOGISTICA INTERNACIONAL DE BC | | | SCAC4 |
| 99 | LIDI | LAKESIDE INDUSTRIES INC | | | SCAC3 |
| 100 | LIDM | LINDSEY MOTOR EXPRESS INC | | | SCAC3 |
