| MIModern Industries Kersey Division | Kersey | PA | — | ◇ UNVERIFIED |
| MIModern Industries, - Roosevelt Facility | Tempe | AZ | — | ◇ UNVERIFIED |
| MMModern Machine & Tool Co., INC. | Newport News | VA | — | ◇ UNVERIFIED |
| MMModern Mechanical Fabrication INC | Champlain | NY | — | ◇ UNVERIFIED |
 Modern Metal Finishing INC | Naugatuck | CT | — | ◇ UNVERIFIED |
| MSModern Screw Products - Modern Screw Products | Saint Louis | MO | — | ◇ UNVERIFIED |
| MWModern Welding | Newark | OH | — | ◇ UNVERIFIED |
| MWModern Welding CO of Kentucky INC | Hardin County | KY | — | ◇ UNVERIFIED |
| MWModern Welding CO of Kentucky INC | War Creek | KY | — | ◇ UNVERIFIED |
| MFMod Finishes | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MCModineer Coatings Division South | South Bend | IN | — | ◇ UNVERIFIED |
 Modine Manufacturing CO | Clinton | TN | — | ◇ UNVERIFIED |
| MMModine Mfg CO - Former Site of | Washington | IA | — | ◇ UNVERIFIED |
| MMModine Mfg/laporte/pemberville | La Porte | IN | — | ◇ UNVERIFIED |
| MMMoeller Mfg and Supply INC | Anaheim | CA | — | ◇ UNVERIFIED |
| MMMohawk Manufacturing CO | Middletown | CT | — | ◇ UNVERIFIED |
| MTMold Tech Northeast | Chicopee | MA | — | ◇ UNVERIFIED |
| MMold-tech/rawal | Carol Stream | IL | — | ◇ UNVERIFIED |
| MAMolex Automotive | Auburn Hills | MI | — | ◇ UNVERIFIED |
| MMMomentum Metal Finishing | Santa Clara | CA | — | ◇ UNVERIFIED |
| MTMomentum Technologies CORP. Dba Momentum Metal Finishing | Sunnyvale | CA | — | ◇ UNVERIFIED |
| MHMonarch Hardware Manufacturing | Shepherdsville | KY | — | ◇ UNVERIFIED |
| MWMonarch Ware INC | Algoma | WI | — | ◇ UNVERIFIED |
| MPMonitor Plating & Polishing | Pasadena | CA | — | ◇ UNVERIFIED |
| MPMonitor Products INC | Hauppauge | NY | — | ◇ UNVERIFIED |
| MMMontgomery Metal Craft INC | Springfield | MO | — | ◇ UNVERIFIED |
| MMonti | Greenwood | SC | — | ◇ UNVERIFIED |
| MIMonti Incorporated | Cincinnati | OH | — | ◇ UNVERIFIED |
| MIMoog INC | Radford | VA | — | ◇ UNVERIFIED |
| MIMoonlight Industries INC | Comstock Park | MI | — | ◇ UNVERIFIED |
| MDMoore Dp, LLC | Lexington | KY | — | ◇ UNVERIFIED |
| MMMoore Metal Finishing * | Sylvania | OH | — | ◇ UNVERIFIED |
| MIMoran Iron Works-bowen Road | Onaway | MI | — | ◇ UNVERIFIED |
| MMMoreng Metal Products | Totowa | NJ | — | ◇ UNVERIFIED |
| MPMorgan Products | Valencia | CA | — | ◇ UNVERIFIED |
| MIMoritz International INC. (0370010048) | Mansfield | OH | — | ◇ UNVERIFIED |
| MPMorrell Plating | Dallas | TX | — | ◇ UNVERIFIED |
| MMMorris Material Handling INC | Oak Creek | WI | — | ◇ UNVERIFIED |
| MMMorris Material Handling - Kone Cranes | Franklin | OH | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing CORP (mact Only | Denver | CO | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing Corporation | Denver | CO | — | ◇ UNVERIFIED |
| MTMorrison Textiles Machinery CO | Fort Lawn | SC | — | ◇ UNVERIFIED |
| MIMor/ryde International INC | Elkhart | IN | — | ◇ UNVERIFIED |
| MFMossy Ford | San Diego | CA | — | ◇ UNVERIFIED |
| MCMotor City Racks | Gaffney | SC | — | ◇ UNVERIFIED |
| MMotorola | Plantation | FL | — | ◇ UNVERIFIED |
| MIMotorola INC | Arcade | NY | — | ◇ UNVERIFIED |
| MFMountaineer Fabricators INC | Nitro | WV | — | ◇ UNVERIFIED |
| MSMountain States Sheet Metal | Pueblo | CO | — | ◇ UNVERIFIED |
| MRMowata Rice Drier INC - Southern Rice Drier & Storage CO | Rayne | LA | — | ◇ UNVERIFIED |
| MAMoyer Auto Body/dublin | Dublin | PA | — | ◇ UNVERIFIED |
| MCMpb CORP (dba Timken Aerospace) | Keene | NH | — | ◇ UNVERIFIED |
| MPM.p.c. Plating, INC. (1318000838) | Cleveland | OH | — | ◇ UNVERIFIED |
| MPM-r-s Plating INC | Lockport | NY | — | ◇ UNVERIFIED |
| M1Msarng, 1108th Theater Aviation Sustainment Maintenance Group | Gulfport | MS | — | ◇ UNVERIFIED |
| MIMsm Industries Incorporated | North Reading | MA | — | ◇ UNVERIFIED |
| MSM. Swift & Sons Gold Leaf | Hartford | CT | — | ◇ UNVERIFIED |
| MSM S Willett INC | Cockeysville | MD | — | ◇ UNVERIFIED |
| MMMulberry Manufacturing CO | Mulberry | FL | — | ◇ UNVERIFIED |
| MMMull Machine CO | Wheeling | WV | — | ◇ UNVERIFIED |
| MPMulti-craft Plastics | Portland | OR | — | ◇ UNVERIFIED |
| MPMulti-spec Painting INC | Gardena | CA | — | ◇ UNVERIFIED |
| MTMulti Tool Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| MSMunster Steel Company | Munster | IN | — | ◇ UNVERIFIED |
| MCMurphy Consolidated Industries INC | Follansbee | WV | — | ◇ UNVERIFIED |
| MGMurray Grinding-dearborn Hgts | Dearborn Heights | MI | — | ◇ UNVERIFIED |
| MLMurray Lane Trust | Athol | MA | — | ◇ UNVERIFIED |
| MIMurray's Iron Works INC | Commerce | CA | — | ◇ UNVERIFIED |
| MPMusick Plating CO | East Saint Louis | IL | — | ◇ UNVERIFIED |
| MJMvp Jewelry Plating INC | Anaheim | CA | — | ◇ UNVERIFIED |
| MPMvp Painting | Harrisonville | MO | — | ◇ UNVERIFIED |
| MCMw Components - Houston Fasteners | Houston | TX | — | ◇ UNVERIFIED |
 Myers Container Corporation | San Pablo | CA | — | ◇ UNVERIFIED |
| Myers Container LLC | City of Industry | CA | — | ◇ UNVERIFIED |
| MPMystic Plating CORP | Medford | MA | — | ◇ UNVERIFIED |
| NCNai Cranes LLC | Woburn | MA | — | ◇ UNVERIFIED |
| NMNambe Mills, INC. | Espanola | NM | — | ◇ UNVERIFIED |
| NPNanoprecision Products | El Segundo | CA | — | ◇ UNVERIFIED |
| NHNanz Hardware | Deer Park | NY | — | ◇ UNVERIFIED |
| NANapa Auto Parts Machine Shop | Plymouth | IN | — | ◇ UNVERIFIED |
| NPNapa Pipe CORP | Napa | CA | — | ◇ UNVERIFIED |
| NMNash Manufacturing & Grinding Services | Springfield | MA | — | ◇ UNVERIFIED |
| NVNashoba Valley Structural | Lunenburg | MA | — | ◇ UNVERIFIED |
| NBNashville Barrel & Drum INC | Fairview | TN | — | ◇ UNVERIFIED |
| NCNassau Chromium Plating CO INC | Mineola | NY | — | ◇ UNVERIFIED |
| NCNational Chromium CO INC | Woonsocket | RI | — | ◇ UNVERIFIED |
| NCNational Crane CORP | Waverly | NE | — | ◇ UNVERIFIED |
| NCNational Cycle INC | Maywood | IL | — | ◇ UNVERIFIED |
| NFNational Feedscrew & Machinery | Massillon | OH | — | ◇ UNVERIFIED |
| NMNational Metal Finishing Corporation | Middlesex | NJ | — | ◇ UNVERIFIED |
| NMNational Metal Processing INC | Richmond | KY | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP | Lafayette | LA | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Amelia North Coating Plant | Labadieville | LA | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Harvey Coating Facility | Harvey | LA | — | ◇ UNVERIFIED |
| NPNational Peening Incorporated | Salem | VA | — | ◇ UNVERIFIED |
| NPNational Plating - Lot 810 | Providence | RI | — | ◇ UNVERIFIED |
| NTNational Tube Form | Fort Wayne | IN | — | ◇ UNVERIFIED |
| NFNatl Fabricators & Mach/north East Plt | North East | PA | — | ◇ UNVERIFIED |
| NBNci Bldg Sys Inc/ambridge | Ambridge | PA | — | ◇ UNVERIFIED |
| NMNci Mfg, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
