 Metalor Technologies USA | Port Huron | MI | — | ◇ UNVERIFIED |
| MPMetal Processors INC | Jackson | MS | — | ◇ UNVERIFIED |
| MUMetals USA Mobile | Mobile | AL | — | ◇ UNVERIFIED |
| MMetalution | Holland | MI | — | ◇ UNVERIFIED |
| MTMgk Technologies INC | Homer City | PA | — | ◇ UNVERIFIED |
| MGMic Group | Brenham | TX | — | ◇ UNVERIFIED |
| MAMichael Anthony Jewelers Incorporated | Mount Vernon | NY | — | ◇ UNVERIFIED |
| MMMiddletown Metal Works, INC. | Berea | KY | — | ◇ UNVERIFIED |
| MMMidland Metals Products | Chicago | IL | — | ◇ UNVERIFIED |
| MFMid-south Fabrications INC | Jemison | AL | — | ◇ UNVERIFIED |
| MMMidstate Manufacturing | Galesburg | IL | — | ◇ UNVERIFIED |
| MSMidwestern Steel Fabricators Chicago LLC | Hammond | IN | — | ◇ UNVERIFIED |
| MMMidwest Metallurgical Laboratory Site | Marshall | MI | — | ◇ UNVERIFIED |
| MIMiller Industrial | Kokomo | IN | — | ◇ UNVERIFIED |
 Miller Welding & Machine CO | Brookville | PA | — | ◇ UNVERIFIED |
| MCMills CO | Upper Sandusky | OH | — | ◇ UNVERIFIED |
| MMModern Mechanical Fabrication INC | Champlain | NY | — | ◇ UNVERIFIED |
| MCModineer Coatings Division South | South Bend | IN | — | ◇ UNVERIFIED |
 Modine Manufacturing CO | Clinton | TN | — | ◇ UNVERIFIED |
| MPMonitor Products INC | Hauppauge | NY | — | ◇ UNVERIFIED |
| MPMorgan Products | Valencia | CA | — | ◇ UNVERIFIED |
| MIMoritz International INC. (0370010048) | Mansfield | OH | — | ◇ UNVERIFIED |
| MIMor/ryde International INC | Elkhart | IN | — | ◇ UNVERIFIED |
| MFMountaineer Fabricators INC | Nitro | WV | — | ◇ UNVERIFIED |
| MIMp Industries, INC. | O Fallon | MO | — | ◇ UNVERIFIED |
| MSM. Swift & Sons Gold Leaf | Hartford | CT | — | ◇ UNVERIFIED |
| MMMull Machine CO | Wheeling | WV | — | ◇ UNVERIFIED |
| MPMulti-spec Painting INC | Gardena | CA | — | ◇ UNVERIFIED |
| MCMunicipal Castings INC | Madison | MN | — | ◇ UNVERIFIED |
| MGMurray Grinding-dearborn Hgts | Dearborn Heights | MI | — | ◇ UNVERIFIED |
| MWM & W Alumium | Dewitt | NY | — | ◇ UNVERIFIED |
| NMNambe Mills, INC. | Espanola | NM | — | ◇ UNVERIFIED |
| NPNanoprecision Products | El Segundo | CA | — | ◇ UNVERIFIED |
| NANapa Auto Parts Machine Shop | Plymouth | IN | — | ◇ UNVERIFIED |
| NMNash Manufacturing & Grinding Services | Springfield | MA | — | ◇ UNVERIFIED |
| NFNatl Fabricators & Mach/north East Plt | North East | PA | — | ◇ UNVERIFIED |
| NMNci Mfg, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
| NFNeenah Foundry CO - Plants 2 and 3 (w2179) | Neenah | WI | — | ◇ UNVERIFIED |
| NINeo Industries (weirton) INC. | Weirton | WV | — | ◇ UNVERIFIED |
| NCNew Castle Foundry/new Castle | New Castle | PA | — | ◇ UNVERIFIED |
| NENew England Expert Technologies Ne Xt | Greenfield | MA | — | ◇ UNVERIFIED |
| NHNew Haven Foundry | New Haven | MI | — | ◇ UNVERIFIED |
| NWNfm Welding Engineers INC | Massillon | OH | — | ◇ UNVERIFIED |
| NPNickelson Plastics INC | Osceola | WI | — | ◇ UNVERIFIED |
| NINmi Industrial Holdings INC | Sacramento | CA | — | ◇ UNVERIFIED |
| NDNoco Distributing | Youngwood | PA | — | ◇ UNVERIFIED |
| NINorcold INC * | Gettysburg | OH | — | ◇ UNVERIFIED |
| NINorgren INC | Littleton | CO | — | ◇ UNVERIFIED |
| NENorthern Engineering Company LLC | Superior | WI | — | ◇ UNVERIFIED |
| NPNorthern Plains Steel CO | Fargo | ND | — | ◇ UNVERIFIED |
| NMNorth Marina Bayside Abw Site | Everett | WA | — | ◇ UNVERIFIED |
| NPNorth Penn Area 6 | Lansdale | PA | — | ◇ UNVERIFIED |
| NINovatec INC | Brooklyn | MD | — | ◇ UNVERIFIED |
| NMNrg Maintenance Services | Houston | TX | — | ◇ UNVERIFIED |
| NFNuair Filter CO LLC | Normal | IL | — | ◇ UNVERIFIED |
| NENu-life Environmental INC | Easley | SC | — | ◇ UNVERIFIED |
| NTNwl Transformers, INC. | Florence | NJ | — | ◇ UNVERIFIED |
| OSOakland Stamping LLC | Detroit | MI | — | ◇ UNVERIFIED |
| OROak Ridge Loans INC | Oak Ridge | TN | — | ◇ UNVERIFIED |
| OBO B I Linings | Chocowinity | NC | — | ◇ UNVERIFIED |
 Oil City Iron Works INC | Corsicana | TX | — | ◇ UNVERIFIED |
| OSO'neal Steel INC | Houston | TX | — | ◇ UNVERIFIED |
| OSO'neal Steel, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| OSO'neal Steel INC I | Greensboro | NC | — | ◇ UNVERIFIED |
| OLOpen Loop Energy - Nichols Facility | Safford | AZ | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics Solutions | Santa Ana | CA | — | ◇ UNVERIFIED |
| OSOtten Screw Products Co-otten Screw Products CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| OGOwens-brockway Glass Containers INC | Godfrey | IL | — | ◇ UNVERIFIED |
| OMOxford Manufacturing, LLC | Selma | AL | — | ◇ UNVERIFIED |
| OGOz Gedney Llc/shoemakersville Plt | Shoemakersville | PA | — | ◇ UNVERIFIED |
| PWPaccar Winch INC / Broken Arrow Winch Hoist Manufacturing | Broken Arrow | OK | — | ◇ UNVERIFIED |
| PIPace Industries-mangas Division | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| POPacific Office Automation | Seattle | WA | — | ◇ UNVERIFIED |
| POPaddock of California | Rock Hill | SC | — | ◇ UNVERIFIED |
| PMPadnos Manufacturing INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| PMPalfinger Marine USA INC | Portsmouth | VA | — | ◇ UNVERIFIED |
| PAPall Aeropower CORP Fort Myers | Fort Myers | FL | — | ◇ UNVERIFIED |
| PUPandrol USA LP | Bridgeport | NJ | — | ◇ UNVERIFIED |
| PMParagon Machine Company, INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| PIParamelt Icd Warehouse | Muskegon | MI | — | ◇ UNVERIFIED |
| PGParker Gear Pump Division | Youngstown | OH | — | ◇ UNVERIFIED |
| PHParker Hannifin - Airtek | Lancaster | NY | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Lithia Springs | GA | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Hpd | Marysville | OH | — | ◇ UNVERIFIED |
| PJPaterson James M | Totowa | NJ | — | ◇ UNVERIFIED |
| PEPatrick Enterprises Corporation | Pembroke | VA | — | ◇ UNVERIFIED |
| PBPaul B Zimmerman INC | Lititz | PA | — | ◇ UNVERIFIED |
| PEPayne Engineering & Fabrications | Canton | MA | — | ◇ UNVERIFIED |
| PCPcc Composites | Frederick | CO | — | ◇ UNVERIFIED |
| PCPcc Composites.cn | Longmont | CO | — | ◇ UNVERIFIED |
| PTPeacock Tool & Engineering | Spring Valley | CA | — | ◇ UNVERIFIED |
| PEPeerless Energy Systems | Omaha | NE | — | ◇ UNVERIFIED |
| PTPeerless Tube CO INC | Bloomfield | NJ | — | ◇ UNVERIFIED |
| PKPelletizer Knives | Houston | TX | — | ◇ UNVERIFIED |
| PIPemco INC | Pascagoula | MS | — | ◇ UNVERIFIED |
| PTPems Tool & Machine INC | Little Falls | NY | — | ◇ UNVERIFIED |
| PIPenatek Inds INC | Odessa | TX | — | ◇ UNVERIFIED |
 Penco Products INC | Hamilton | NC | — | ◇ UNVERIFIED |
| PEPentair Electronic Packaging | Warwick | RI | — | ◇ UNVERIFIED |
| PFPentair Flow Technologies, LLC - Ashland Casting Center | Ashland | OH | — | ◇ UNVERIFIED |
