 | Lufthansa | 1994 | 276 |
 | Lan Airlines | 2004 | 126 |
 | Lion Airlines | 1999 | 117 |
 | Lufthansa CityLine | 1958 | 51 |
 | LOT Polish Airlines | 1929 | 42 |
 | Lucky Air | 2006 | 27 |
 | Loganair Limited | 1962 | 20 |
 | Luxair | 1961 | 17 |
 | LGW-Luftfahrtgesellschaft Walter GmbH | 1980 | 17 |
 | Lan Argentina | 2005 | 14 |
 | LIAT Airlines | 1956 | 11 |
 | Lao Airlines | 2003 | 11 |
 | LC Busre SAC | - | 10 |
 | LASER Airlines | 1993 | 10 |
 | LLC "NORD WIND" | 2008 | 10 |
 | LLC "IKAR" | 1993 | 8 |
 | LAM | 1933 | 7 |
 | Libyan Airlines | 1964 | 7 |
 | LanEcuador | 2003 | 6 |
 | Lan Cargo | 1929 | 5 |
 | Les Investissements Nolinor Inc. | 1997 | 5 |
 | Lease Fly | 2013 | 3 |
 | Linea Aerea Eco Jet S.A. | 2013 | 3 |
 | Lan Peru | - | 2 |
 | Lan Colombia Airlines | 2011 | 2 |
 | Labrador Airways Limited | - | 1 |
| Lanco | 2009 | 1 |
| Lineas Aereas Ejecutivas de Durango | - | - |
| Leasair International | - | - |
| Linea se Aeroservicios | - | - |
| Luft Cargo | - | - |
| Long Island Airlines | - | - |
| Lithuanian Air Force Safety Department | - | - |
| Latvian Airlines | - | - |
| Lynx Air International | - | - |
| Linea Aerea Costa Norte | - | - |
| LyddAir | - | - |
| Lineas Aereas Del Humaya | - | - |
| Long Jiang Airlines | - | - |
| Lviv Airlines | - | - |
| London Executive Aviation | - | - |
 | Locair | - | - |
| Lincoln, Ne Air National Guard | - | - |
 | Lynden Air Cargo, LLC | - | - |
| Lockheed | - | - |
| Lotus International Air | - | - |
| Lineas Aereas San Jose | - | - |
| Lowlevel | - | - |
| Linton-On-Ouse FTU | - | - |
| Lipetsk Avia | - | - |
 | Lao Skyway | - | - |
| Liberia Airways | - | - |
| Latvian Air Force | - | - |
| Linea Aerea Nacional de Honduras | - | - |
| Lahak Aviation | - | - |
| Lineas Aereas Comerciales | - | - |
| Leonesa de Aviacion | - | - |
| LAT | - | - |
| Lillbacka Jetair | - | - |
| Lossiemouth FTU | - | - |
| Louella Freight Services | - | - |
| Lakeland Aviation | - | - |
| Luxor Air | - | - |
 | Libyan Wings | - | - |
| Laneas Aereas Trans Costa Rica | - | - |
| Lineas Aereas de Ixtlan | - | - |
| London City Airport Jet Centre | - | - |
| Lamra | - | - |
| Linhas Aereas Santomenses | - | - |
 | LACSA | - | - |
| Lockheed Air Terminal | - | - |
| Lions-Air | - | - |
| Lynx Aviation | - | - |
| Link Conexion Aerea | - | - |
| Lineas Aereas Suramericanas | - | - |
| Lineas Aereas Orientales | - | - |
| Liberty Jet Management | - | - |
| Link Airways Of Australia | - | - |
| Linea Aerea de Fung. Aguas Negras | - | - |
| Libyan Bluebird | - | - |
| Luftwaffe | - | - |
| Lomas Helicopters | - | - |
 | Laparkan Airways | - | - |
| LVD Luftfahrzeug-Vermietungs-Dienst Gesellscgraft | - | - |
 | Legacy Air | - | - |
| L A Helicopter | - | - |
| Lentini Aviation | - | - |
| Life Line Aviation | - | - |
| Lanzarote Aerocargo | - | - |
| Libyan Express for Air Transport | - | - |
| Letiurneau University, School of Aeronautical Science | - | - |
| Lease-A-Plane International | - | - |
| LOT Ground Service | - | - |
| Leuchars | - | - |
| Let's Fly | - | - |
| Langtry Flying Group | - | - |
 | Lignes Aeriennes Congolaises | - | - |
| LabCorp | - | - |
| Luxembourg Air Rescue | - | - |
| Lindsay Aviation | - | - |
| LaudaMotion | - | - |
| Luzair | - | - |
| LNAir Air Services | - | - |
| LATPASS Airlines | - | - |
| Lebanon Airport Development | - | - |
| Linair | - | - |
| Libyan Arab Company For Air Cargo | - | - |
| Luxwing | - | - |
| Lifeflight | - | - |
| Lufthansa Technik | - | - |
| Lockheed Martin Aeronautics Company | - | - |
| Leadair Ltd Israel Airlines | - | - |
| Libo Air Cargo | - | - |
| Lynch Flying Service | - | - |
| L-3 Communications Flight International Aviation | - | - |
| Lott Ship Agency | - | - |
| Leeming FTU | - | - |
| Leconte Airlines | - | - |
| L J Aviation | - | - |
 | Lignes Nationales Aeriennes - Linacongo | - | - |
| L'express | - | - |
| Lund University School of Aviation, TFHS | - | - |
 | Lynden Air Cargo PNG | - | - |
| Linex | - | - |
| Lonestar Airways | - | - |
| Leo Taxi Aereo | - | - |
| LA Valenciana Taxi Aereo | - | - |
| Lojy Air | - | - |
| Linkopings Flygklubb | - | - |
| Lanza Air | - | - |
| Lebanese Air Transport | - | - |
| Linear Air | - | - |
| LG International Corporation | - | - |
| Lequios Airlines | - | - |
| Lynx Servicios Aereos | - | - |
| Lloyd Aviation | - | - |
| Leo-Air | - | - |
| Laredo Air | - | - |
| Los Cedros Aviacion | - | - |
| Lawrence Aviation | - | - |
| Lignes Mauritaniennes Air Express | - | - |
| Leadair Unijet | - | - |
| Lockheed Duats | - | - |
| Lorraine Aviation | - | - |
| Livian Air | - | - |
| Libyan Airways | - | - |
| Longtail Aviation | - | - |
| Lukiaviatrans | - | - |
| L R Airlines | - | - |
| Luxaviation Germany | - | - |
| Lincoln Airlines | - | - |
| Luxaviation | - | - |
| Lake Havasu Air Service | - | - |
| Lebap | - | - |
| LADE | - | - |
| Lamia | - | - |
 | Linea Aerea Carguera de Colombia S. dba LATAM Cargo Colombia | - | - |
| Linea Aerea Mexicana de Carga | - | - |
| Lasare Airline | - | - |
| Lukoil Avia | - | - |
| Let J.S.C. | - | - |
| Lineas Aereas Monarca | - | - |
| Lineas AereasdDel Mayab | - | - |
| Light Aircraft Association of The Czech Republic | - | - |
| LRC - Linhas Aereas | - | - |
| Lufttransport | 1971 | - |
| LTA | 1982 | - |
| Laparkan Airways | 1983 | - |