| MEM&r Engineering Company Dba D&b Plastics | Orange | CA | — | ◇ UNVERIFIED |
| MLMtm LLC | San Jose | CA | — | ◇ UNVERIFIED |
| MRMueller Refrigeration Products Company | Hartsville | TN | — | ◇ UNVERIFIED |
 Multix Precision Manufacturing Inc | Monrovia | IN | — | ◇ UNVERIFIED |
| MAMurdoch and Co LLC | Milford | PA | — | ◇ UNVERIFIED |
| MIMxr Imaging | Vacaville | CA | — | ◇ UNVERIFIED |
| NTNammo Talley - Plant 1 | Mesa | AZ | — | ◇ UNVERIFIED |
| NMNaroh Manufacturing, LLC | Rockledge | FL | — | ◇ UNVERIFIED |
| NMNational Military Armament LLC (natmil) | Van Buren | AR | — | ◇ UNVERIFIED |
| NINc Industries | Temecula | CA | — | ◇ UNVERIFIED |
| NENeco Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| NINemco INC. | Feasterville Trevose | PA | — | ◇ UNVERIFIED |
| NINeometal INC | Oakdale | CA | — | ◇ UNVERIFIED |
| NCNevada Cartridge Company LLC | Henderson | NV | — | ◇ UNVERIFIED |
| NTNew Technology Precision Machining Co., INC. | Jupiter | FL | — | ◇ UNVERIFIED |
| NUNew Ultra Light Arms, LLC | Granville | WV | — | ◇ UNVERIFIED |
 New Vision Industries INC. | Endicott | NY | — | ◇ UNVERIFIED |
| NWNew Wave Surgical | Pompano Beach | FL | — | ◇ UNVERIFIED |
| NLNext Level Armament, LLC | Jenison | MI | — | ◇ UNVERIFIED |
| NSNielsen Specialty Ammo Inc | La Verne | CA | — | ◇ UNVERIFIED |
| NSNielsen Specialty Ammo Inc | La Verne | CA | — | ◇ UNVERIFIED |
| NDNitinol Devices and Components | Fremont | CA | — | ◇ UNVERIFIED |
| NINoll Incorporated | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| NPNonesuch Precision Services | Scarborough | ME | — | ◇ UNVERIFIED |
| NPNorma Precision INC | Garden City | GA | — | ◇ UNVERIFIED |
| NSNorthern Screw Machine Company INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| NSNorthern Swiss Products LLC | West Branch | MI | — | ◇ UNVERIFIED |
| NSNorthwest Swiss-matic, LLC | Crystal | MN | — | ◇ UNVERIFIED |
| NDNovak Designs, INC. | Parkersburg | WV | — | ◇ UNVERIFIED |
| NINovaks INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| NMNp Manufacturing Group LLC | New Paris | OH | — | ◇ UNVERIFIED |
| NCNsk Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| OCOlin Corporation Winchester Ammunition Division | Oxford | MS | — | ◇ UNVERIFIED |
| OCOlin Corporation, Winchester Division | Wood River | IL | — | ◇ UNVERIFIED |
| OBOlson Brothers CO | Plainville | CT | — | ◇ UNVERIFIED |
| OLOminous, LLC | Nampa | ID | — | ◇ UNVERIFIED |
| OCOne Concepts LLC Dba Precision One Ammunition | Mount Pleasant | SC | — | ◇ UNVERIFIED |
| OAOperators American Tactical Hardware, LLC | Rockledge | FL | — | ◇ UNVERIFIED |
| OTOptics Technology, INC. | Pittsford | NY | — | ◇ UNVERIFIED |
| OPOrange Park Machine, INC. | Orange Park | FL | — | ◇ UNVERIFIED |
| OSOrin Screws Products | Van Nuys | CA | — | ◇ UNVERIFIED |
| OMOsteon Medical | Irvine | CA | — | ◇ UNVERIFIED |
| OTOtis Technology INC | Lyons Falls | NY | — | ◇ UNVERIFIED |
| OEOutdoor Entity Group | Palm Desert | CA | — | ◇ UNVERIFIED |
| OAOutlaw Arsenal, LLC | Pearland | TX | — | ◇ UNVERIFIED |
| OIOxford Instruments Service LLC | Vacaville | CA | — | ◇ UNVERIFIED |
| PPP2 Precision Mfg LLC | Pierceton | IN | — | ◇ UNVERIFIED |
| PAPACC Armor, LLC | Saint Augustine | FL | — | ◇ UNVERIFIED |
| PBPac-nor Barreling INC | Brookings | OR | — | ◇ UNVERIFIED |
| PSPalmetto State Armory- Dunbar | West Columbia | SC | — | ◇ UNVERIFIED |
| PSPalmetto State Armory LLC | Cayce | SC | — | ◇ UNVERIFIED |
| PFPanhandle Fabrication & Machine | Pensacola | FL | — | ◇ UNVERIFIED |
| PRParabellum Research, LLC | Bastrop | TX | — | ◇ UNVERIFIED |
| PPParadigm Precision INC - Peabody | Peabody | MA | — | ◇ UNVERIFIED |
| POPara Ordnance, LLC | Pineville | NC | — | ◇ UNVERIFIED |
| PPParis Precision Products | Paso Robles | CA | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation | Albertville | AL | — | ◇ UNVERIFIED |
| PNPattern Ninja LLC | Portland | OR | — | ◇ UNVERIFIED |
| PLPcl LLC Dba Precision Components | Oxnard | CA | — | ◇ UNVERIFIED |
| PQP&c Quality Turned Components | Smithfield | RI | — | ◇ UNVERIFIED |
| PMPerformance Marine & Machine INC | Winona | MN | — | ◇ UNVERIFIED |
| PIPerin Industries, INC. | Webster City | IA | — | ◇ UNVERIFIED |
| PCPeterson & Company | Inkster | MI | — | ◇ UNVERIFIED |
| PIPfizer INC | Oakland | CA | — | ◇ UNVERIFIED |
| PAPhoenix Arms | Ontario | CA | — | ◇ UNVERIFIED |
| PIPhysics International Company | Tracy | CA | — | ◇ UNVERIFIED |
| PAPierce Ammunition LLC | Prescott Valley | AZ | — | ◇ UNVERIFIED |
| PGPindel Global Percision - 170th Street | New Berlin | WI | — | ◇ UNVERIFIED |
| PMPipeline Medical Technologies INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| PMPlum's Mechanizing Solutions LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| PAPolycase Ammunition, LLC | Savannah | GA | — | ◇ UNVERIFIED |
| PIPolywad, INC. | Roberta | GA | — | ◇ UNVERIFIED |
| PAPor-No Arms, LLC | Athol | ID | — | ◇ UNVERIFIED |
| PMPrairie Machining INC | Chaska | MN | — | ◇ UNVERIFIED |
| PCPrecision Components Group Inc | West Springfield | MA | — | ◇ UNVERIFIED |
| PMPrecision Manufacturing Solutions | Saco | ME | — | ◇ UNVERIFIED |
| PMPrecision Metal Products CO | Holland | MI | — | ◇ UNVERIFIED |
| PMPrecision Method, LLC | Wolcott | CT | — | ◇ UNVERIFIED |
| PMPrecision Mfg & Engrg, LLC. | Kansas City | MO | — | ◇ UNVERIFIED |
| PNPrecision Neuromed INC. | Redwood City | CA | — | ◇ UNVERIFIED |
| PSPrecision Sure-lock, INC. | Seagoville | TX | — | ◇ UNVERIFIED |
| PVPrecision Valve Inc | Reno | NV | — | ◇ UNVERIFIED |
| PIPredator International, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| PIPredator International, INC. | Littleton | CO | — | ◇ UNVERIFIED |
| PMPreferred Machine & Tool | Bedford Park | IL | — | ◇ UNVERIFIED |
| PMPremier Machining Services, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PPPrescott Prod INC | Prescott | MI | — | ◇ UNVERIFIED |
| PPPrescott Products INC | Jackson | MI | — | ◇ UNVERIFIED |
| PMPride Machinery, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| PCPrinciple Caliber, LLC | Boise | ID | — | ◇ UNVERIFIED |
| PLPro3D, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| PFPro Fab Machine Shop Addition | Hartselle | AL | — | ◇ UNVERIFIED |
| PAPrograde Ammo Group, LLC | Stevensville | MT | — | ◇ UNVERIFIED |
| PMProStar Manufacturing Inc | Pasadena | TX | — | ◇ UNVERIFIED |
| PHPrudent Holdings Usa, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| PIPtr Industries | Aynor | SC | — | ◇ UNVERIFIED |
| QCQcc CORP LLC | Schiller Park | IL | — | ◇ UNVERIFIED |
| QSQed Systems INC Nassco | San Diego | CA | — | ◇ UNVERIFIED |
| QIQortek INC | State College | PA | — | ◇ UNVERIFIED |
| QTQuality Tool, INC. | Lewisville | TX | — | ◇ UNVERIFIED |
