- Jim's Aircraft Svc & Car Rntl
- Jim's Service & Repair
- Joe's Aircraft Ignition Svc
- John Jewell Aircraft Inc
- John Mark Air Repair
- Johnny A Arpen Aircraft
- Johnson & Johnson Aviation
- Johnson Aeronautic Inc
- Johnson Aircraft Svc
- Johnson Aircraft Svc
- Johnson Aviation Inc
- Johnson Avionics
- Johnson County Aero
- Johnson's Aircraft Svc
- Johnsons Aero Repair
- Johnston Aircraft Svc
- Jonathan Aero
- Jordan Aircraft Svc Inc
- Jormac Inc
- JRA Executive Air
- JRM Enterprises
- JRM Enterprises
- JSF
- Jumbo Air Svc Corp
- Just Plane Clean
- Juver Aviation Svc Inc
- K & K Aircraft
- K & W Aviation Inc
- K & W Aviation Inc
- Kalamazoo Aircraft
- Karl's Flying Svc
- KCI Aviation
- Keith's Aircraft Repair
- Ken Gooch
- Ken White Air Svc
- Ken White Air Svc
- Kenai Helicopters
- Kendallville Flying Svc
- Kenmarson Aero Club
- Kennewick Aircraft Svc
- Kenosha Aero Inc
- Kenosha Jet Ctr
- Kentucky Air Ctr
- Kettunen Aeronautical
- Key Indutries
- Key Indutries
- Keyson Airwaves
- Keystone Air
- Killeen Aero
- Killeen Aero
- Kim Davidson Aviation Inc
- Kimball Air Ctr
- Kimball Air Ctr
- Kimble's Aviation Svc
- Kindred Aircraft Maintenance
- Kings Avionics Inc
- Kinzie Industries
- Kissimmee Aviation Inc
- Klamath Aircraft Ctr
- Klem's Aero Repair
- Klem's Aero Repair
- KMR Aviation Svc
- Knisley Aircraft Exhaust Rpr
- KNOX Air Inc
- KNOX Air Inc
- Knr Inc
- KNS Aircraft Svc
- KNS Aircraft Svc
- Koenig Aircraft
- Kondor Aviation
- KOOL Air Technologies
- KOOL Air Technologies
- Kottre's Aviation Svc
- Kracon Aircraft Refinishing
- Kramer Aircraft Svc
- Kramer Aircraft Svc
- Kress Aviation Inc
- Krueger Aviation Inc
- KTI
- Kuyk Aviation
- Kuyk Aviation
- KWIK Klean Aviation Div
- L & G Technology
- L & M Aircraft
- L B & B Assoc Inc
- L B & B Assoc Inc
- L B Plank Co
- L C's Flying Svc
- L W Airport Hanger
- L-3 Communications
- L-3 Communications Titan Group
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex Aerospace
- L-3 Vertex AEROSPACE LLC
- L3 Vertex
- L3 Vertex Communications
- LA Quinta Air Svc
- Labata Services
- Labata Services
- Lacon Aero Svc Inc
- Lafayette Aero
- Lafayette Aero Inc Maintenance
- Lake Aero Ronan Aviation
- Lake Aero Styling & Repair
- Lake Aero Styling & Repair
- Lake Country Aircraft Repair
- Lake County Aviation
- Lakeside Air Park
- Lakeside Aircraft Svc
- Lakeview Airport
- Lakeview Aviation
- Lakeview Aviation
- Lakeview Aviation
- Lakewood Aircraft Svc
- Lancair Corp
- Lance's Aircraft Svc
- Land Air & Sea Restorations
- Land's Aviation Svc
- Landing Gear Svc LTD Inc
- Landing-Rental Hall
- Landing-Rental Hall
- Landmark Aviation
- Landmark Aviation
- Landmark Aviation Svc
- Lane Aviation Corp
- Langa Air Academy
- Langa Air Academy
- Langa Air Academy
- Langer Aviation
- Larsen's Aircraft Svc Inc
- Lasar Plane Sales
- Lasar Plane Sales
- Latimer Services
- Lauderback Brothers
- Laup Aviation Svc
- Lawrence Air Svc Inc
- Leading Edge Aviation
- Leading Edge Aviation
- Leading Edge Aviation Svc
- Leading Edge Aviation Svc
- Leading Edge Aviation Svc
- Leading Edge Aviation Svc Inc
- Leading Edge Aviation Svc Inc
- Leading Edge Exhaust Systems
- Leading Edge Interior Inc
- Leading Edge Planes & Props
- Lear Seigler Services Inc
- Lear Seigler Svc Inc
- Lear Siegler
- Learjet Field Svc
- Learjet Field Svc
- Learjet Field Svc
- Learjet Field Svc
- Learjet Inc
- Learjet Inc
- Leather Institute
- Lecor Inc
- Lee's Tube & Fabric
- Legacy Air Inc
- Legacy Aviation
- Legacy Aviation Inc
- Legarra Enterprises
- Legend Aerospace Inc
- Legend Aircraft Svc
- Leland Aero Svc
- Leniar Maintenance Inc
- Lenny's Airmotive
- Lenny's Airmotive
- Lewis Aircraft Svc
- Lewis Flying Svc
- Li'l Red Aero Inc
- Liebfried Aviation
- Lincoln Aviation
- Lincoln Skyways Inc
- Linden Avionics Inc
- Lindner Aviation Inc
- Little Wing Aviation
- Livingston Aviation Inc
- Lockheed Martin Aircraft Ctr
- Logisticlean
- Logisticlean
- Logos Aviation Svc Inc
- Logos Aviation Svc Inc
- Lone Mountain Aviation
- Lone Star Aero
- Lone Star Aero
- Long Beach Citation Svc Ctr
- Long Island Jet Ctr
- Long Island Jet Ctr
- Long Island Jet Ctr Inc
- Long's Aircraft Svc
- Looker Aviation
- Loren's Aviation
- Los Alamos Aircraft Mntnc
- Louisiana Aircraft Inc
- Louisiana Aircraft Inc
- Lowe Aviation
- Loyd's Aircraft Maintenance
- Lubbock Aero
- Lufthansa Technik
- Luhtech Inc
- Lynn Rollins
- M & A Fliegerworks
- M & D Aviation
- M & H Aircraft
- M & J Aircraft Inspection/Rpr
- M & M Propeller
- M 7 Aerospace
- M 7 Aerospace
- M M Aircraft
- M N Lowe Enterprise Inc
- M T Propeller USA Inc
- M W Aircraft Svc Inc
- M7 Aerospace
- Mac Den Aviation Corp
- Mac Vicar Aircraft Svc
- Mac-V Aviation Inc
- Mack Air
- Mad River Airport
- Madison Air Ctr
- Madison Aviation Svc
- Mag Time
- Magellan Aircraft Svc
- Magnum Aviation
- Main Air
- Maintenance Group
- Maintenance One Aircraft Mntnc
- Major A-C Upholstery
- Maki Flight Support
- Malmrose Heli Svc
- Mangon Aircraft Inc
- Mansfield Magnetos Inc
- Marathon Jet Ctr
- Maria Pirgos Aviation
- Mark Airmotive
- Mark Reed Enterprises
- Marple Aviation Inc
- Martin Aviation
- Martin Aviation
- Martin Aviation Inc
- Martin Induction Systems Inc
- Martin Lockheed Assoc
- Marv's Place Aviation
- Mason Valley Aviation
- Massey Aircraft Svc
- Master Aviation Inc
- Mat-Su Air Svc
- Matanuska Air Svc Inc
- Mather Aviation
- Mather Aviation
- Mather Aviation LLC
- Mauser Aviation Inc
- Mavrik Aire
- Maxwell Aircraft Svc
- Maxwelton Aircraft Maintenance
- Maytag Aircraft Corp
- Maytag Aircraft Corp
- Mc Aviation Svc
- Mc Aviation Svc
- Mc Cauley Aviation Inc
- Mc Clellan Aircraft Mntnc
- Mc Clellan Jet Svc LLC
- Mc Cormick Air Ctr
- Mc Cormick's Airepair
- Mc Cutheon
- Mc Gill Aviation Corp
- Mc Kinley Air Inc
- Mc Manus Air
- Mc Nabb Aircraft Inc
- Mc Turbine Inc
- MDF Avionics
- MDF Avionics
- MDL Aircraft Svc
- MDL Aircraft Svc
- Mead Aircraft Svc
- Med-Craft Inc
- Medallion Aircraft Svc
- Medc
- Medford Air Svc LLC
- Megahertz Avionics
- Mena Aerospace
- Mena Air Ctr
- Mena Aircraft Engines Inc
- Menzie Aviation Svc
- Menzie Aviation Svc
- Mercury Air
- Mercury Air Centers Inc
- Mercury Air Centers Inc
- Mercury Air Ctr
- Mercury Air Ctr
- Mercury Air Ctr
- Mercury Air Ctr
