| MPMercury Plastics, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| MAMeridian Automotive | Jackson | OH | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems | Shelbyville | IN | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems INC | Canandaigua | NY | — | ◇ UNVERIFIED |
| MHMeritor - Howell | Howell | MI | — | ◇ UNVERIFIED |
| MIMetaglo INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| MBMetal Bellows Corporation | Moorpark | CA | — | ◇ UNVERIFIED |
| MCMetal Components INC | Wyoming | MI | — | ◇ UNVERIFIED |
| MCMetal Craft Engineering | Fenwick | WV | — | ◇ UNVERIFIED |
| MCMetal Crafters | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| MMetalcrafters | Simi Valley | CA | — | ◇ UNVERIFIED |
| MCMetal Cutting CORP | Cedar Grove | NJ | — | ◇ UNVERIFIED |
| MIMetal-fab INC | Champaign | IL | — | ◇ UNVERIFIED |
| MMMetal Masters of North Florida INC | Jacksonville | FL | — | ◇ UNVERIFIED |
 Metalor Technologies USA | Port Huron | MI | — | ◇ UNVERIFIED |
| MPMetal Processors INC | Jackson | MS | — | ◇ UNVERIFIED |
| MUMetals USA Mobile | Mobile | AL | — | ◇ UNVERIFIED |
| MIMetaltech Industries INC | Longmont | CO | — | ◇ UNVERIFIED |
| MGMfg Galileo Composites | Sparks | NV | — | ◇ UNVERIFIED |
| MAMfs Arz | Phoenix | AZ | — | ◇ UNVERIFIED |
| MGM & G Duravent INC | Vacaville | CA | — | ◇ UNVERIFIED |
| MMgs | Germantown | WI | — | ◇ UNVERIFIED |
| MAMichael Anthony Jewelers Incorporated | Mount Vernon | NY | — | ◇ UNVERIFIED |
| MUMicrodyn-nadir US INC | Goleta | CA | — | ◇ UNVERIFIED |
| MPMicro Plastics, INC. | Melbourne | AR | — | ◇ UNVERIFIED |
| MSMid-america Steel Drum CO INC | Saint Francis | WI | — | ◇ UNVERIFIED |
| MMMidland Metals Products | Chicago | IL | — | ◇ UNVERIFIED |
| MFMid-south Fabrications INC | Jemison | AL | — | ◇ UNVERIFIED |
| MCMidwest Container Reconditioning Mcr | Fulton | MO | — | ◇ UNVERIFIED |
| MSMidwestern Steel Fabricators Chicago LLC | Hammond | IN | — | ◇ UNVERIFIED |
| MIMidwest Industrial Metals | Northlake | IL | — | ◇ UNVERIFIED |
| MMMidwest Molding, INC. | Wolcottville | IN | — | ◇ UNVERIFIED |
| MPMidwest Plastic CO | Cherryvale | KS | — | ◇ UNVERIFIED |
| MTMidwest Tank Services INC | Bolivar | OH | — | ◇ UNVERIFIED |
| MTMidwest Tankworks a Div Mississippi Tank CO | Vincennes | IN | — | ◇ UNVERIFIED |
| MFMikes Fabricating Incorporated | Moody | AL | — | ◇ UNVERIFIED |
| MGMikron G Building | Kent | WA | — | ◇ UNVERIFIED |
| MMMikron Midwest | Winnebago | IL | — | ◇ UNVERIFIED |
| MWMilgard Woodclad Division | Tacoma | WA | — | ◇ UNVERIFIED |
| MIMiller Industrial | Kokomo | IN | — | ◇ UNVERIFIED |
| MCMills CO | Upper Sandusky | OH | — | ◇ UNVERIFIED |
| MBMilo Bulk Plant LLC | Penn Yan | NY | — | ◇ UNVERIFIED |
| MWMineral Wells Facility | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Advanced Materials | Wytheville | VA | — | ◇ UNVERIFIED |
| MWMi Windows & Doors LLC -gratz Facility | Gratz | PA | — | ◇ UNVERIFIED |
| MMM & M Tank & Tower | Greeley | CO | — | ◇ UNVERIFIED |
| MCModern Custom Fabrication INC | Fresno | CA | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster | MA | — | ◇ UNVERIFIED |
| MMModern Mechanical Fabrication INC | Champlain | NY | — | ◇ UNVERIFIED |
| MPModern Plastics | Benton Harbor | MI | — | ◇ UNVERIFIED |
| MWModern Welding | Newark | OH | — | ◇ UNVERIFIED |
| MWModern Welding CO of Kentucky INC | War Creek | KY | — | ◇ UNVERIFIED |
| MCModineer Coatings Division South | South Bend | IN | — | ◇ UNVERIFIED |
 Modine Manufacturing CO | Clinton | TN | — | ◇ UNVERIFIED |
| MMModine Mfg/laporte/pemberville | La Porte | IN | — | ◇ UNVERIFIED |
| MIMoistureshield, INC. | Lowell | AR | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies, Plant 1 | Ashtabula | OH | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass - Holly Rd | Adelanto | CA | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Northwest Site | Stevenson | WA | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | OH | — | ◇ UNVERIFIED |
| MPMonitor Products INC | Hauppauge | NY | — | ◇ UNVERIFIED |
| MMMontgomery Metal Craft INC | Springfield | MO | — | ◇ UNVERIFIED |
| MIMonti Incorporated | Cincinnati | OH | — | ◇ UNVERIFIED |
| MDMoore Dp, LLC | Lexington | KY | — | ◇ UNVERIFIED |
| MMMoreng Metal Products | Totowa | NJ | — | ◇ UNVERIFIED |
| MPMorgan Products | Valencia | CA | — | ◇ UNVERIFIED |
| MSMorining Star Manufacturing INC | Crump | TN | — | ◇ UNVERIFIED |
| MIMoritz International INC. (0370010048) | Mansfield | OH | — | ◇ UNVERIFIED |
| MIMor/ryde International INC | Elkhart | IN | — | ◇ UNVERIFIED |
| MIMorton International | Woburn | MA | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | — | ◇ UNVERIFIED |
| MSMountain States Sheet Metal | Pueblo | CO | — | ◇ UNVERIFIED |
| MAMoyer Auto Body/dublin | Dublin | PA | — | ◇ UNVERIFIED |
| MIMrc Industries | Roseville | MI | — | ◇ UNVERIFIED |
| MMMr. Marble CO. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| MIMsm Industries Incorporated | North Reading | MA | — | ◇ UNVERIFIED |
| MSM. Swift & Sons Gold Leaf | Hartford | CT | — | ◇ UNVERIFIED |
| MCMurphy Consolidated Industries INC | Follansbee | WV | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Lexington | NC | — | ◇ UNVERIFIED |
| MMMw Manufacturers INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| NNNalge Nunc International | Naperville | IL | — | ◇ UNVERIFIED |
| NNNalge Nunc Intl | Fairport | NY | — | ◇ UNVERIFIED |
| NMNambe Mills, INC. | Espanola | NM | — | ◇ UNVERIFIED |
| NPNanoprecision Products | El Segundo | CA | — | ◇ UNVERIFIED |
| NPNapa Pipe CORP | Napa | CA | — | ◇ UNVERIFIED |
| NENational Environmental Fiberglass LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| NPNational Picture & Frame Company | Greenwood | MS | — | ◇ UNVERIFIED |
| NPNational Plastics Color | Valley Center | KS | — | ◇ UNVERIFIED |
| NPNational Plastics Color INC | Valley Center | KS | — | ◇ UNVERIFIED |
| NMNci Mfg, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
| NTNewberry Tanks and Equipment, LLC | Memphis | TN | — | ◇ UNVERIFIED |
| NRNewell Rubbermaid | Winfield | KS | — | ◇ UNVERIFIED |
| NVNew Vision Fiberglass-grand Forks Plant | Grand Forks | ND | — | ◇ UNVERIFIED |
| NFNiagara Fiberglass INC | Buffalo | NY | — | ◇ UNVERIFIED |
| NPNickelson Plastics INC | Osceola | WI | — | ◇ UNVERIFIED |
| NKNifco Ktw | Toccoa | GA | — | ◇ UNVERIFIED |
| NANiles America Wintech INC | Winchester | KY | — | ◇ UNVERIFIED |
| NSNiles Steel Tank | Niles | MI | — | ◇ UNVERIFIED |
