| LBLisa Building LLC | Auburn | WA | — | ◇ UNVERIFIED |
| LALmi Aerospace Cottonwood Falls, Ks | Cottonwood Falls | KS | — | ◇ UNVERIFIED |
| LALmi Aerospace INC | Auburn | WA | — | ◇ UNVERIFIED |
| LALmi Aerospace, INC (stormwater) | Wichita | KS | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautics CO. | Clarksburg | WV | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeroparts INC | Johnstown | PA | — | ◇ UNVERIFIED |
| LMLockheed Martin Skunk Works | Helendale | CA | — | ◇ UNVERIFIED |
| LSLuminescent Sys INC | Lebanon | NH | — | ◇ UNVERIFIED |
| MDM9 Dev LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| MJMagna James LTD Dba Northstar Engineering | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MAMalibu Aerospace | Blaine | MN | — | ◇ UNVERIFIED |
| MHMars Hill Properties 50th LLC | Seattle | WA | — | ◇ UNVERIFIED |
| MPMaster Power Transmission INC | Greenville | SC | — | ◇ UNVERIFIED |
 Matrix Composites INC | Rockledge | FL | — | ◇ UNVERIFIED |
| MPMccauley Propeller Systems, INC | Vandalia | OH | — | ◇ UNVERIFIED |
| MDMcdonnel Douglas Missle Systems | Titusville | FL | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas Astronautics CO | Pueblo | CO | — | ◇ UNVERIFIED |
| MGMc Gill Corporation | El Monte | CA | — | ◇ UNVERIFIED |
| MAMeggitt Aircraft Braking Systems CORP | Danville | KY | — | ◇ UNVERIFIED |
| MAMenasco Aerospace-texas | Euless | TX | — | ◇ UNVERIFIED |
| MPMercury Powerboats | Monticello | AR | — | ◇ UNVERIFIED |
| MCMerrill Corporation | Clearfield | UT | — | ◇ UNVERIFIED |
| MSMessier Service America INC | Sterling | VA | — | ◇ UNVERIFIED |
| MTMetalcraft Technolgies INC. | Cedar City | UT | — | ◇ UNVERIFIED |
| MDMfg Div | Tulsa | OK | — | ◇ UNVERIFIED |
| MRMiddle River Aerostructure Systems | Middle River | MD | — | ◇ UNVERIFIED |
| MAMidwest Aircraft Components | Wellsville | MO | — | ◇ UNVERIFIED |
| MFMidwest Flying Service INC. | Leavenworth | KS | — | ◇ UNVERIFIED |
 Millennium Concepts INC | Wichita | KS | — | ◇ UNVERIFIED |
| MMMoeller Mfg CO INC | Plymouth | MI | — | ◇ UNVERIFIED |
| MMMorton Manufacturing | Lancaster | CA | — | ◇ UNVERIFIED |
| NLNaKi LLC | Santa Clarita | CA | — | ◇ UNVERIFIED |
| NDNc Dynamics LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| NONew Orleans International Airp | Kenner | LA | — | ◇ UNVERIFIED |
| NVNorthern Virginia Helicopters, INC | Manassas | VA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation - Clearfield, G13 | Clearfield | UT | — | ◇ UNVERIFIED |
| NMNorthstar Machine & Tool CO INC Dba Northstar Aero | Duluth | MN | — | ◇ UNVERIFIED |
| NANorthwest Aerospace Technologi | Everett | WA | — | ◇ UNVERIFIED |
| NMNorton Manufacturing, LLC | Norton | KS | — | ◇ UNVERIFIED |
 Nwi Nashville | Nashville | TN | — | ◇ UNVERIFIED |
| OPOdyssey Propco Ii LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| OIOmada International Sumner Division | Sumner | WA | — | ◇ UNVERIFIED |
| OAOrbital Atk | Clearfield | UT | — | ◇ UNVERIFIED |
| OAOtto Aviation Group LLC | Irvine | CA | — | ◇ UNVERIFIED |
| PCPacific Contours Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| PCPacific Contours San Diego Division | Spring Valley | CA | — | ◇ UNVERIFIED |
| PSPacific Scientific | Dallas | TX | — | ◇ UNVERIFIED |
| PSPacific Scientific Htl/kin-tech Div | Duarte | CA | — | ◇ UNVERIFIED |
| PBPalm Beach Aircraft Services INC | Lantana | FL | — | ◇ UNVERIFIED |
