| KDKellstrom Defense Aerospace INC | Miramar | FL | — | ◇ UNVERIFIED |
| KAKelly Aviation Center Bldg 647 2 | San Antonio | TX | — | ◇ UNVERIFIED |
| KEKeystone Engineering Company | Ontario | CA | — | ◇ UNVERIFIED |
| KGKgp Group, INC. Dba Speqtrum Aerospace | Fort Worth | TX | — | ◇ UNVERIFIED |
| KKirby | Palm Bay | FL | — | ◇ UNVERIFIED |
| KAKirkwood Aviation | Peyton | CO | — | ◇ UNVERIFIED |
| KUKratos Unmanned Aerial Systems INC | Mcclellan | CA | — | ◇ UNVERIFIED |
| KTKT Tech, Inc. | Fullerton | CA | — | ◇ UNVERIFIED |
| LALanic Aerospace, LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| LILapeer Industries Plt 5 | Lapeer | MI | — | ◇ UNVERIFIED |
| LHLasticks Holdings, Ltd. fka Precision Components Inc | Bellport | NY | — | ◇ UNVERIFIED |
| LILearjet INC | North Hills | CA | — | ◇ UNVERIFIED |
 Lee Aerospace - 34th St (stormwater) | Wichita | KS | — | ◇ UNVERIFIED |
| LEL & E Tubing LLC | Lynnwood | WA | — | ◇ UNVERIFIED |
| LTLeya Technology LLC | Gardena | CA | — | ◇ UNVERIFIED |
| LALifeport Armor Technologies | Woodland | WA | — | ◇ UNVERIFIED |
| LILifeport Interiors | Woodland | WA | — | ◇ UNVERIFIED |
| 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 |
| PAPanasonic Avionics Corporation | Irvine | CA | — | ◇ UNVERIFIED |
| PAPanasonic Avionics Corporation | Lake Forest | CA | — | ◇ UNVERIFIED |
| PAPauquette Associates, LLC | Corona | CA | — | ◇ UNVERIFIED |
| PAPcc Airfoils LLC | Sanford | NC | — | ◇ UNVERIFIED |
| PCPhillip C. Friedman | Long Beach | CA | — | ◇ UNVERIFIED |
| PCPhillip C. Friedman | Long Beach | CA | — | ◇ UNVERIFIED |
| PPPhlogiston Products INC | Gaston | OR | — | ◇ UNVERIFIED |
 Piedmont Propulsion Systems LLC | Winston Salem | NC | — | ◇ UNVERIFIED |
| PFPiney Flats Technologies INC | Piney Flats | TN | — | ◇ UNVERIFIED |
| PAPlatinum Aerostructures | Nevada | MO | — | ◇ UNVERIFIED |
| PWPratt & Whitney | Middletown | CT | — | ◇ UNVERIFIED |
| PFPrecise Flight INC | Bend | OR | — | ◇ UNVERIFIED |
| PMPrecise Machine | Fort Worth | TX | — | ◇ UNVERIFIED |
| PAPrecision Aero Services INC | Bolivar | MO | — | ◇ UNVERIFIED |
| PPPrecision Plating INC | Jamaica | NY | — | ◇ UNVERIFIED |
| PAPremier Air Center INC Dba West Star Aviation INC | East Alton | IL | — | ◇ UNVERIFIED |
| PAPremier Aviation Services | Vandalia | OH | — | ◇ UNVERIFIED |
 Pryer Aerospace | Claremore | OK | — | ◇ UNVERIFIED |
| QMQ Media Solutions INC | Fife | WA | — | ◇ UNVERIFIED |
| RIRalc INC Dba Cnc Manufacturing | Temecula | CA | — | ◇ UNVERIFIED |
| RARam Air Sale LLC | Miami | FL | — | ◇ UNVERIFIED |
| RARegent Aerospace Corporation | Valencia | CA | — | ◇ UNVERIFIED |
| RPRem Products INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| RERIM Enterprises LLC | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| RCRockwell Collins Flight Control & Information Systems | Irvine | CA | — | ◇ UNVERIFIED |
| RCRockwell Collins - Simulation and Training Solutions | Sterling | VA | — | ◇ UNVERIFIED |
| RIRohr Inc, a Utc Aerospace Systems Company | Chula Vista | CA | — | ◇ UNVERIFIED |
| RIRohr INC Brown Field | San Diego | CA | — | ◇ UNVERIFIED |
| RIRohr INC Dba Goodrich Aerostructures Group | Chula Vista | CA | — | ◇ UNVERIFIED |
| RIRomi Industries, INC. | Valencia | CA | — | ◇ UNVERIFIED |
| RCRooke CORP | North Hollywood | CA | — | ◇ UNVERIFIED |
| RSRosen Sunvisor Systems LLC | Eugene | OR | — | ◇ UNVERIFIED |
| RMRoyell Manufacturing INC | Everett | WA | — | ◇ UNVERIFIED |
