| L & L International LTD | Miami | FL |
| L Wood Aviation, Inc. | Georgetown | TX |
| L. R. Kimball & Assoc., Inc. | Johnston | PA |
| L.E.T.'S TRUCK INC | Ashland | KY |
| L2 Leasing, LLC - Lane Livingston | Salt Lake City | UT |
| La-Zy Time Aircraft Sales | Granbury | TX |
| Lafferty Aircraft Sales | San Jose | CA |
| Lakeshore Aviation | Manitowoc | WI |
| Lance R. Ward Enterprises, Inc. | Geneva | NY |
| Lane Aviation | Columbus | OH |
| Lapeer Aviation, Inc. | Lapeer | MI |
| Larmie Aviation Inc | Lewiston | ID |
| Lasar Plane Sales | Lakeport | CA |
| Leading Edge Aviation Solutions | Parsippany | NJ |
| Leading Edge Aviation, Inc. | Bend | OR |
| Lear Stevens Aviation | Chesapeake | VA |
| Leeward Aircraft Sales, Inc. | Beaver Falls | PA |
| Legend Air | Waterford | CT |
| Leonard Hudson Drilling Co | Pampa | TX |
| Liberty Air Management, Inc. | Frederick | MD |
| Lincoln Aviation Sales | Lincoln | NE |
| Lincoln Park Aviation | Lincoln Park | NJ |
| Litchfield Aviation Inc | Ardmore | OK |
| Little Dreams Aviation LLC | Washington | MI |
| Livingston Aviation | Waterloo | IA |
| Lock Haven Aircraft Sales | Lock Haven | PA |
| Lone Mountain Aircraft | Henderson | NV |
| Lone Star Auctioneers, Inc | Fort Worth | TX |
| Lone Tree Aero, LLC | | |
| Long Island Aviation | Roslyn Heights | NY |
| Lowe Aviation | Macon | GA |
| Lubbock Aero | Lubbock | TX |
| Lyddon Aero Center Inc. | | CA |
| Lynch Aircraft Sales | Daytona Beach | FL |
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