- LOCKHEED MARTIN AIRCRAFT ARGENTINA SA
- LAMBERT AIRCRAFT ENGINEERING BVBA
- LEGEND LITE INC
- LARUS
- LETECKE ZAVODY a.s.
- LET-MONT s.r.o.
- LOUIT SA
- LAVILLE
- LAVOCHKIN
- LEBEDEV
- LENINGRADETS
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- LMZ
- LOBANOV
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- LYaM
- LAMMER GEYER AVIATION
- LIGHTWING AG
- LEE-RICHARDS
- LINDSTRAND
- LANCAIR
- LANSHE AEROSPACE LLC
- LEARJET
- LEGEND AIRCRAFT INC
- LEZA AIRCAM CORPORATION
- LIBERTY AEROSPACE INC
- LITTLE WING AUTOGYROS INC
- LOCKHEED MARTIN CORPORATION
- LOPRESTI GORDON VTOL INC
- LUSCOMBE AIRCRAFT CORPORATION
ARGENTINA
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