| KGKent Gamebore Corporation | Kearneysville | WV | — | ◇ UNVERIFIED |
| KPKeystone Park LLC | Patterson | CA | — | ◇ UNVERIFIED |
| KMKiefer Machining, INC. | San Carlos | CA | — | ◇ UNVERIFIED |
| KMKimber Manufacturing INC. | Troy | AL | — | ◇ UNVERIFIED |
| KAKinetic Asset Holdings LLC | Richmond | VA | — | ◇ UNVERIFIED |
| KKK & K Screw Products LLC | Glendale Heights | IL | — | ◇ UNVERIFIED |
| KLK & L Sales LLC | Vermilion | OH | — | ◇ UNVERIFIED |
| KGKnesek Guns | Van Buren | AR | — | ◇ UNVERIFIED |
| KPKNP Properties L.L.C. | Livonia | MI | — | ◇ UNVERIFIED |
| KIKnt, INC. | Newark | CA | — | ◇ UNVERIFIED |
| KRKodiak Rifleworks Company | Howard Lake | MN | — | ◇ UNVERIFIED |
| KOKRG Ops, LLC | Coeur D Alene | ID | — | ◇ UNVERIFIED |
| KAKross Ammunition, LLC | Madison | AL | — | ◇ UNVERIFIED |
| KEKSSK Enterprises, Inc. | Leslie | MI | — | ◇ UNVERIFIED |
| KMKurt Manufacturing | Lyman | NE | — | ◇ UNVERIFIED |
| KMKurt Manufacturing Co., INC. | Lyman | NE | — | ◇ UNVERIFIED |
| KYK & Y Mfg INC | Canton | MI | — | ◇ UNVERIFIED |
| L3L - 3 Scandia Technologies | Largo | FL | — | ◇ UNVERIFIED |
| LLaird-drico | Worcester | MA | — | ◇ UNVERIFIED |
| LCLake City Army Ammunition Plant | Independence | MO | — | ◇ UNVERIFIED |
| LRLake Region Medical INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| LTLakes Trading Company LLC | Forest Lake | MN | — | ◇ UNVERIFIED |
| LAL and M Metal Products INC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| LPLapmaster Precision Finishing Services, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| LPLavezzi Precision, INC. | Glendale Heights | IL | — | ◇ UNVERIFIED |
| LELcj Electro Mechanical Cnc Repair LLC | Saco | ME | — | ◇ UNVERIFIED |
| LRLd Redmer Screw Products INC | Bensenville | IL | — | ◇ UNVERIFIED |
| LRLeitner-wise Rifle Company | Alexandria | VA | — | ◇ UNVERIFIED |
| LPLemco Precision INC. | Calimesa | CA | — | ◇ UNVERIFIED |
| LPLeon Plastics Incorporated | Alda | NE | — | ◇ UNVERIFIED |
| LBLiberty Bolt | Garden Grove | CA | — | ◇ UNVERIFIED |
| LBLiberty Brass Turning CO Former | Long Island City | NY | — | ◇ UNVERIFIED |
| LPLightning Precision Machining | Tallahassee | FL | — | ◇ UNVERIFIED |
| LMLillard Manufacturing INC. | Woodland | CA | — | ◇ UNVERIFIED |
| LPLind-rite Precision INC | Osakis | MN | — | ◇ UNVERIFIED |
| LELing Electronics INC Subs Mec | Anaheim | CA | — | ◇ UNVERIFIED |
| LALmi Aerospace | Fredonia | KS | — | ◇ UNVERIFIED |
| LPLoc Pac INC | Plymouth | MI | — | ◇ UNVERIFIED |
| LGLOK Grips, LLC | Wyoming | MI | — | ◇ UNVERIFIED |
| LLLshsms LLC | Conroe | TX | — | ◇ UNVERIFIED |
| LTL & T Muniz Grinding | Gardena | CA | — | ◇ UNVERIFIED |
| LALucky Adventure Holdings, LLC | Muskegon | MI | — | ◇ UNVERIFIED |
| LWL. W. Seecamp Company, INC. | Milford | CT | — | ◇ UNVERIFIED |
| LTLyons Tool and Manufacturing Group Corporation | Wixom | MI | — | ◇ UNVERIFIED |
 M2 Performance Solutions LLC | Huntersville | NC | — | ◇ UNVERIFIED |
| MAM3 Aerospace | El Paso | TX | — | ◇ UNVERIFIED |
| MGMachine Gun Armory, LLC | Sandy | UT | — | ◇ UNVERIFIED |
| MIMachinewell INC | Grygla | MN | — | ◇ UNVERIFIED |
| MCMaclean Curtis, L.l.c. | Cornelius | NC | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Solutions, INC. Dba Maclean | Cornelius | NC | — | ◇ UNVERIFIED |
| MMMac Machine, LLC | Pauls Valley | OK | — | ◇ UNVERIFIED |
| MIMagblock, INC. | Enterprise | AL | — | ◇ UNVERIFIED |
| MTMaine Tool & Machine LLC | Lisbon Falls | ME | — | ◇ UNVERIFIED |
| MIMango INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| MBMaria Barath Dba Danworth Manufacturing CO | Hayward | CA | — | ◇ UNVERIFIED |
| MMMarini Manufacturing, Inc. | Racine | WI | — | ◇ UNVERIFIED |
| MFMarlin Firearms CO | North Haven | CT | — | ◇ UNVERIFIED |
| MMMarshall Manufacturing Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| MTMast Technology | Independence | MO | — | ◇ UNVERIFIED |
| MAMcalester Army Ammunition Plant | Fort Leonard Wood | MO | — | ◇ UNVERIFIED |
| MPM&c Precision Machining INC | Hawthorne | CA | — | ◇ UNVERIFIED |
| MCMcwhorter Custom Rifles, INC. | Doerun | GA | — | ◇ UNVERIFIED |
| MPM&D Precision Machining, Inc. | Garden Grove | CA | — | ◇ UNVERIFIED |
| MDM & D Supplies, INC. | Gilman | IL | — | ◇ UNVERIFIED |
| MSMeaden Screw Products CO | Burr Ridge | IL | — | ◇ UNVERIFIED |
| MTMeca & Technology Machine INC | Green Bay | WI | — | ◇ UNVERIFIED |
| MAMechanical Assemblers INC | Hood River | OR | — | ◇ UNVERIFIED |
| MAMedtronic Ave | Santa Rosa | CA | — | ◇ UNVERIFIED |
| MAMedtronic Ave | Windsor | CA | — | ◇ UNVERIFIED |
| MTMeggit Training Systems | Suwanee | GA | — | ◇ UNVERIFIED |
| MDMeridian Defense Group CORP | Goleta | CA | — | ◇ UNVERIFIED |
| MSMetal Seal & Products, INC. (0243161213) | Willoughby | OH | — | ◇ UNVERIFIED |
| MMMetric Machining INC | Riverside | CA | — | ◇ UNVERIFIED |
| MRMGC Real Estate, LLC | Hudson | MI | — | ◇ UNVERIFIED |
| MEMicrodynamic Engineering LLC | Livonia | MI | — | ◇ UNVERIFIED |
| MMMicro Machine and Design, INC. | Lebanon | PA | — | ◇ UNVERIFIED |
| MMMicromatics Machine CO | Hollis | NH | — | ◇ UNVERIFIED |
| MAMicroport Aston Properties, LLC | Irvine | CA | — | ◇ UNVERIFIED |
| MTMicro Thread Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| MIMictron INC | Sarasota | FL | — | ◇ UNVERIFIED |
| MAMidwest Ammunition LLC | Hamilton | OH | — | ◇ UNVERIFIED |
| MAMidwest Automatic Products, INC. | Melrose | MN | — | ◇ UNVERIFIED |
| MSMidwest Screw Products INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMikco Manufacturing Technology, INC. | Wallingford | CT | — | ◇ UNVERIFIED |
| MTMike Tran and Yen Kim Ta, as Trustees of the Tran Family Trust | San Jose | CA | — | ◇ UNVERIFIED |
| MMilacron | Mcpherson | KS | — | ◇ UNVERIFIED |
| MAMilford Automatics INC | Milford | CT | — | ◇ UNVERIFIED |
| MUMinova USA INC. | Proctorville | OH | — | ◇ UNVERIFIED |
| MMMinowitz Mfg CO | Roseville | MI | — | ◇ UNVERIFIED |
| MKM K Chambers Co-north Branch | North Branch | MI | — | ◇ UNVERIFIED |
| MIMkt Innovations | Placentia | CA | — | ◇ UNVERIFIED |
| MBMonarch Bullet | Rochester | WA | — | ◇ UNVERIFIED |
| MAMontana Armory, INC. | Big Timber | MT | — | ◇ UNVERIFIED |
| MFMontana Firearms Group | Kalispell | MT | — | ◇ UNVERIFIED |
| MFMontana Firearms Group, Inc. | Kalispell | MT | — | ◇ UNVERIFIED |
| MGMontana Gold Bullets | Kalispell | MT | — | ◇ UNVERIFIED |
| MRMontana Rifle Company | Kalispell | MT | — | ◇ UNVERIFIED |
| MBMorgan Bronze Products INC | Wauconda | IL | — | ◇ UNVERIFIED |
| MIMotek-team Industries INC | Cambridge | MN | — | ◇ UNVERIFIED |
| MEM&r Engineering CO Dba S&h Glenco Manufacturing | Ontario | CA | — | ◇ UNVERIFIED |
