| 1 | LM | ALM 1997 Airline Inc., d/b/a Air ALM | ICAO: ALM, Callsign: Antillean, IATA Prefix: 119, Ceased its operations in 2001. Name changed from ALM 1997 Airlines, Inc. | NA | AVCODES |
| 2 | LM | Loganair Limited | ICAO: LOG, Callsign: Logan, IATA Prefix: 682, Name changed from Dalglen (No. 647) Limited which was incorporated on 21/11/1996. Formed after management buyout from British Midland Group. | GB | AVCODES |
| 3 | LM | ALM 1997 Airlines, Inc. | ICAO: ALM, Callsign: Antillean, IATA Prefix: 119, Name changed to ALM 1997 Airline Inc., d/b/a Air ALM. Name changed from ALM 1997 Airlines, Inc. | NA | AVCODES |
| 4 | LM | Antillean Airlines (ALM) | ICAO: ALM, Callsign: Antillean, IATA Prefix: 119, Name changed to ALM 1997 Airlines, Inc. | NA | AVCODES |
| 5 | LM | Antilliaanse Luchtvaart Maatschappij | ICAO: ALM, Callsign: Antillean, IATA Prefix: 119, | NA | AVCODES |
| 6 | LM | Livingston S.p.A. | ICAO: LVG, Callsign: Livingston, Ceased Operations on 14 October 2010. Founded 13 January 2003 | I | AVCODES |
| 7 | LM | Union Pacific R.R. Co. | added 10/1995; 7/2000-7/2005 | | NAKINA |
| 8 | LM | Chicago and North Western Ry. Co. | added 1/1995; eliminated 10/1995 | | NAKINA |
| 9 | LM | Chicago and North Western Transportation Co. | eliminated 1/1995 | | NAKINA |
| 10 | LM | Litchfield and Madison Ry. Co. (Chicago and North Western Transportation Co.) | 1/1975-1/1994 | | NAKINA |
| 11 | LM | Litchfield and Madison Ry. Co. (Chicago and North Western Ry. Co.) | 4/1961-10/1966 | | NAKINA |
| 12 | LM | Litchfield and Madison Ry. Co. (Chicago and North Western Ry. Co.) | 4/61-10/66 | | NRHS |
| 13 | LM | Litchfield and Madison Ry. Co. (Chicago and North Western Transportation Co.) | 1/75-1/94 | | NRHS |
| 14 | LM | Chicago and North Western Transportation Co. | eliminated 1/95 | | NRHS |
| 15 | LM | Chicago and North Western Ry. Co. | added 1/95; eliminated 10/95 | | NRHS |
| 16 | LM | Union Pacific R.R. Co. | added 10/95; 7/2000 | | NRHS |
| 17 | LM | UP [CHICAGO & NORTH WESTERN RY. CO.; LITCHFIELD & MADISON RY.] | | | PWRC |
| 18 | LM | Litchfield and Madison Railway (Union Pacific Railroad) | | | RSRV |
| 19 | LM | Lokomotion Gesellschaft für Schienentraktion GmbH | | DE | VKM |
| 20 | LMA | Aerolima, S.A. de C.V. | Callsign: Aerolima, | MEX | AVCODES |
| 21 | LMA | Aerolima | | | ICAO1 |
| 22 | LMAASA | Lockheed Martin Aircraft Argentina SA | 1994 - 2009 | RA | TRAFFIC |
| 23 | LMAB | LAURIN MARITIME AB | | | SCAC3 |
| 24 | LMAB | LAURIN MARITIME AMERICA INC | | | SCAC4 |
| 25 | LMAC | LOMA CARTAGE INC | | | SCAC3 |
| 26 | LMAE | LEMAIRE EXPRESS INC | | | SCAC3 |
| 27 | LMAF | LTL MANAGEMENT | | | SCAC4 |
| 28 | LMAI | LAMAR TRANSPORTATION INC | | | SCAC3 |
| 29 | LMAI | LAMAR TRANSPORTATION INC | | | SCAC4 |
| 30 | LMAK | LOMA TRUCKING CO LLC | | | SCAC4 |
| 31 | LMAP | LEMAR TRANSPORTATION | | | SCAC3 |
| 32 | LMAQ | LAMANNA, SAM MOVING AND STORAGE | | | SCAC3 |
| 33 | LMAR | LA-MAR TRANSPORTATION INC | | | SCAC3 |
| 34 | LMAR | LA-MAR TRANSPORTATION INC | | | SCAC4 |
| 35 | LMAS | LINEAS ASMAR S A | | | SCAC3 |
| 36 | LMAS | LOPEZ SALAZAR, MARIO ALBERTO | | | SCAC4 |
| 37 | LMAT | LINAMAR TRANSPORTATION | | | SCAC3 |
| 38 | LMAT | LINAMAR TRANSPORTATION | | | SCAC4 |
| 39 | LMAU | LAND MARINE CARGO INC | | | SCAC4 |
| 40 | LMAW | LEADERS MOVING AND STORAGE | | | SCAC4 |
| 41 | LMAY | LYKENS MARKET | | | SCAC4 |
| 42 | LMB | Aviakomi | Callsign: Aviakomi, | GE | AVCODES |
| 43 | LMBB | LOGISTICS MANAGED BY SITTON LLC | | | SCAC4 |
| 44 | LMBE | LOPEZ MADRID, BLAS ROBERTO | | | SCAC4 |
| 45 | LMBF | LAMBIE, FRANK INC | | | SCAC3 |
| 46 | LMBH | LAMBERT & HOOD | | | SCAC3 |
| 47 | LMBH | LAMBERT & HOOD | | | SCAC4 |
| 48 | LMBI | LOMBARDI TRANSPORTATION COMPANY | | | SCAC4 |
| 49 | LMBK | LUDWIG-MCINTOSH BULK HAULERS INC | | | SCAC3 |
| 50 | LMBL | LIMBERLOST LTD | | | SCAC4 |
| 51 | LMBM | LAMOURE BUILDING MATERIALS & SUPPLI | | | SCAC3 |
| 52 | LMBO | LAWSON MILLS BIOMASS SOLUTIONS LTD | | | SCAC4 |
| 53 | LMBP | LOMBARDI, P J TRUCKING INC | | | SCAC3 |
| 54 | LMBQ | LAMBERT TRANSFER CO INC | | | SCAC3 |
| 55 | LMBR | L M B TRANSPORT INC | | | SCAC4 |
| 56 | LMBS | LAMBERTS TOURS & TEAVEL | | | SCAC3 |
| 57 | LMBS | LES MEUBLES VENEZIANO LTD | | | SCAC4 |
| 58 | LMBT | LAMBERT TRANSFER & STORAGE INC | | | SCAC3 |
| 59 | LMBT | LAMBERT TRANSFER & STORAGE INC | | | SCAC4 |
| 60 | LMC | Linea Aerea Mexicana de Carga, S.A. de C.V. | Callsign: Linea Decarga, | MEX | AVCODES |
| 61 | LMC | Linea Aerea Mexicana de Carga | | | ICAO1 |
| 62 | LMC | London Midland Trains | | GB | TRAFFIC |
| 63 | LMCA | L & M CHARTERS LTD | | | SCAC3 |
| 64 | LMCC | LIMOUSINE COMPANY OF CALGARY LTD | | | SCAC3 |
| 65 | LMCC | LEGENDARY MOTORCAR COMPANY LTD | | | SCAC4 |
| 66 | LMCD | L & M CONSOLIDATORS | | | SCAC3 |
| 67 | LMCE | LIMO CENTER LTD, THE | | | SCAC3 |
| 68 | LMCF | LANGDON MILLS CANADA INC | | | SCAC4 |
| 69 | LMCG | LITTLE MISS CHIEF GOURMET PRODUCTS | | | SCAC4 |
| 70 | LMCH | LAMICELLA, EMILIO | | | SCAC3 |
| 71 | LMCI | LAND-MARINE CARGO INC | | | SCAC3 |
| 72 | LMCJ | LANDJET MOTOR CARRIER'S INC | | | SCAC4 |
| 73 | LMCK | L & M CARRIER | | | SCAC4 |
| 74 | LMCN | LIMOUSINE CONNECTION | | | SCAC3 |
| 75 | LMCN | LEA MARC INC | | | SCAC4 |
| 76 | LMCO | L & M TRANSPORTATION | | | SCAC3 |
| 77 | LMCQ | L & M CONSOLIDATORS | | | SCAC3 |
| 78 | LMCR | LAMCRAFT INDUSTRIES INC | | | SCAC3 |
| 79 | LMCS | LOOMIS COURIER SERVICE LTD | | | SCAC3 |
| 80 | LMCT | LMC TRANSPORT CO INC | | | SCAC4 |
| 81 | LMCU | IGNAZIO MESSINA & CO | | I | BIC |
| 82 | LMCU | *(KWCU) IGNAZIO MESSINA CO SPA | | | PWRC |
| 83 | LMCU | *WORLD CONTAINER LEASING INCORPORATED | | | PWRC |
| 84 | LMCU | World Container Leasing | | | RSRV |
| 85 | LMCU | IGNAZIO MESSINA & CO | | | SCAC4 |
| 86 | LMCV | LOGISTICS MATERIALS CONTROL (DIVISI | | | SCAC4 |
| 87 | LMCX | All Minerals Co. | added 7/1983; eliminated 1/1985 | | NAKINA |
| 88 | LMCX | Lott Materials Co., Inc. | added 10/1981; eliminated 7/1983 | | NAKINA |
| 89 | LMCX | Lott Materials Co., Inc. | added 10/81 | | NRHS |
| 90 | LMCX | All Minerals Co. | eliminated 1/85 | | NRHS |
| 91 | LMCX | ALL MINERALS CORPORATION [LOTT MATERIALS CO., INC.] | | | PWRC |
| 92 | LMCX | All Minerals Corporation | | | RSRV |
| 93 | LMCY | LUCAS MARINE COMPANY LTD | | | SCAC3 |
| 94 | LMCY | LMC EXPRESS LLC | | | SCAC4 |
| 95 | LMD | Linea Aerea Merida Internacional de Aviacion C.A. (LiMia C.A.) | Callsign: Lamia, | YV | AVCODES |
| 96 | LMDB | LANDMARK DISTRIBUTION INC | | | SCAC3 |
| 97 | LMDC | LOOTERS MEDIA INC | | | SCAC4 |
| 98 | LMDI | L AND M DELIVERY SERVICE | | | SCAC3 |
| 99 | LMDI | LMD INTEGRATED LOGISTIC SERVICES IN | | | SCAC4 |
| 100 | LMDJ | LOCATION M D J ENR | | | SCAC3 |
