| MSMra Systems, Incorporated | Baltimore | MD | — | ◇ UNVERIFIED |
| MEM&r Engineering CO Dba S&h Glenco Manufacturing | Ontario | CA | — | ◇ UNVERIFIED |
| MEM&r Engineering Company Dba D&b Plastics | Orange | CA | — | ◇ UNVERIFIED |
| MLMtm LLC | San Jose | CA | — | ◇ UNVERIFIED |
| MCMts Cad-cam Technology | Springdale | AR | — | ◇ UNVERIFIED |
| MRMueller Refrigeration Products Company | Hartsville | TN | — | ◇ UNVERIFIED |
 Multix Precision Manufacturing Inc | Monrovia | IN | — | ◇ UNVERIFIED |
| MMMundy Maintenance Services and Operations LLC | Durham | NC | — | ◇ UNVERIFIED |
| NLNaKi LLC | Santa Clarita | CA | — | ◇ UNVERIFIED |
| NSNasa Science and Integration Facility | Palmdale | CA | — | ◇ UNVERIFIED |
| NANational Air Cargo Group INC Dba National Airlines | Orlando | FL | — | ◇ UNVERIFIED |
| NANational Air College International | San Diego | CA | — | ◇ UNVERIFIED |
| NHNational Helicopter CORP | Farmingdale | NY | — | ◇ UNVERIFIED |
| NINc Industries | Temecula | CA | — | ◇ UNVERIFIED |
| NGNebraska Gas Turbin, INC. | Hooper | NE | — | ◇ UNVERIFIED |
| NENeco Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| NINemco INC. | Feasterville Trevose | PA | — | ◇ UNVERIFIED |
| NTNew Technology Precision Machining Co., INC. | Jupiter | FL | — | ◇ UNVERIFIED |
 New Vision Industries INC. | Endicott | NY | — | ◇ UNVERIFIED |
 Nextant Aerospace LLC | Richmond Heights | OH | — | ◇ UNVERIFIED |
| NANextgen Aviation Services | Chino | CA | — | ◇ UNVERIFIED |
| NTNiacc-avitech Technologies INC | Clovis | CA | — | ◇ UNVERIFIED |
| NPNie Planes, LLC | Boise | ID | — | ◇ UNVERIFIED |
| NINoll Incorporated | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| NRNordam Repair, Victorville | Victorville | CA | — | ◇ UNVERIFIED |
| NMNorthern Maine Aviation, LLC | Lincoln | ME | — | ◇ UNVERIFIED |
| NSNorthern Screw Machine Company INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| NSNorthern Swiss Products LLC | West Branch | MI | — | ◇ UNVERIFIED |
| NVNorthern Virginia Helicopters, INC | Manassas | VA | — | ◇ UNVERIFIED |
| NCNorthrop CORP. | Hawthorne | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman | Azusa | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman | Clearfield | UT | — | ◇ UNVERIFIED |
| NGNorthrop Grumman CORP | Hawthorne | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman CORP Aircraf | Compton | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman CORP Aircraft Integration Center | Palmdale | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Mojave Hanger 71 | Mojave | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Site 7 | Palmdale | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP | Bethpage | NY | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP | Woodland Hills | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP. | Mojave | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP. | El Segundo | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation - Emerado | Emerado | ND | — | ◇ UNVERIFIED |
| NGNorthrup Grumman | Aurora | CO | — | ◇ UNVERIFIED |
| NMNorthstar Machine & Tool CO INC Dba Northstar Aero | Duluth | MN | — | ◇ UNVERIFIED |
| NANorthwest Aerospace Technologi | Everett | WA | — | ◇ UNVERIFIED |
| NMNorton Manufacturing, LLC | Norton | KS | — | ◇ UNVERIFIED |
| NMNp Manufacturing Group LLC | New Paris | OH | — | ◇ UNVERIFIED |
| NCNsk Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
 Nwi Nashville | Nashville | TN | — | ◇ UNVERIFIED |
| OPOdyssey Propco Ii LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| OAOea Areospace INC | Fairfield | CA | — | ◇ UNVERIFIED |
| OBOlson Brothers CO | Plainville | CT | — | ◇ UNVERIFIED |
| OAOmega Aircraft Articles LLC | Elkhorn | WI | — | ◇ UNVERIFIED |
| OAOnsite Avionics LLC | Willis | TX | — | ◇ UNVERIFIED |
| OEOntic Engineering & Manufactur | North Hollywood | CA | — | ◇ UNVERIFIED |
| OTOptics Technology, INC. | Pittsford | NY | — | ◇ UNVERIFIED |
| OPOrange Park Machine, INC. | Orange Park | FL | — | ◇ UNVERIFIED |
| OAOrbital Atk | Clearfield | UT | — | ◇ UNVERIFIED |
| OAOrbit Aviation | Long Beach | CA | — | ◇ UNVERIFIED |
| OSOrin Screws Products | Van Nuys | CA | — | ◇ UNVERIFIED |
| OOrizon | Chanute | KS | — | ◇ UNVERIFIED |
| OAOtto Aviation Group LLC | Irvine | CA | — | ◇ UNVERIFIED |
| OAOverhaul Accessory INC | Medley | FL | — | ◇ UNVERIFIED |
| PPP2 Precision Mfg LLC | Pierceton | IN | — | ◇ UNVERIFIED |
| PCPacific Continental Engines | Diamond Bar | CA | — | ◇ UNVERIFIED |
| PCPacific Continental Engines, INC. | Pacoima | CA | — | ◇ UNVERIFIED |
| PCPacific Contours Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| PCPacific Contours San Diego Division | Spring Valley | CA | — | ◇ UNVERIFIED |
| PSPacific Scientific | Dallas | TX | — | ◇ UNVERIFIED |
| PSPacific Scientific CO Htl/ki | Duarte | CA | — | ◇ UNVERIFIED |
| PSPacific Scientific Htl/kin-tech Div | Duarte | CA | — | ◇ UNVERIFIED |
| PAPanasonic Avionics Corporation | Irvine | CA | — | ◇ UNVERIFIED |
| PAPanasonic Avionics Corporation | Lake Forest | CA | — | ◇ UNVERIFIED |
| PFPanhandle Fabrication & Machine | Pensacola | FL | — | ◇ UNVERIFIED |
| PMParadigm Manchester INC | Manchester | CT | — | ◇ UNVERIFIED |
| PPParadigm Precision | Manchester | CT | — | ◇ UNVERIFIED |
| PPParadigm Precision | Manchester | CT | — | ◇ UNVERIFIED |
| PPParadigm Precision INC - East Berlin | East Berlin | CT | — | ◇ UNVERIFIED |
| PPParadigm Precision INC - Peabody | Peabody | MA | — | ◇ UNVERIFIED |
| PHParker Hannifin Corp, Control Sys Div | Irvine | CA | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation | Albertville | AL | — | ◇ UNVERIFIED |
| PMPas Mro, INC. | Irvine | CA | — | ◇ UNVERIFIED |
| PNPattern Ninja LLC | Portland | OR | — | ◇ UNVERIFIED |
| PAPauquette Associates, LLC | Corona | CA | — | ◇ UNVERIFIED |
| PAPcc Airfoils LLC | Sanford | NC | — | ◇ UNVERIFIED |
| PAPcc Airfoils LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| PLPcl LLC Dba Precision Components | Oxnard | CA | — | ◇ UNVERIFIED |
| PMPerformance Marine & Machine INC | Winona | MN | — | ◇ UNVERIFIED |
| PIPerin Industries, INC. | Webster City | IA | — | ◇ UNVERIFIED |
| PCPeterson & Company | Inkster | MI | — | ◇ UNVERIFIED |
| PVPhenix Ventures LLC | Marriott-Slaterville | UT | — | ◇ UNVERIFIED |
| PCPhillip C. Friedman | Long Beach | CA | — | ◇ UNVERIFIED |
| PCPhillip C. Friedman | Long Beach | CA | — | ◇ UNVERIFIED |
| PPPhlogiston Products INC | Gaston | OR | — | ◇ UNVERIFIED |
| PAPhoenix-goodyear Airport | Goodyear | AZ | — | ◇ UNVERIFIED |
| PAPilkington Aerospace INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| PGPindel Global Percision - 170th Street | New Berlin | WI | — | ◇ UNVERIFIED |
| PFPiney Flats Technologies INC | Piney Flats | TN | — | ◇ UNVERIFIED |
| PAPinnacle Aircraft Engines LLC | Silverhill | AL | — | ◇ UNVERIFIED |
