| MHMTN Holdings LLC | Dover | NH | — | ◇ UNVERIFIED |
| MPMt. Pleasant Mine Service | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| MMMTS Manufacturing, Inc. | New Richmond | WI | — | ◇ UNVERIFIED |
| MMMTTI Manufacturing Group, LLC | Greenville | SC | — | ◇ UNVERIFIED |
| MCMueller Construction Company | Sherman | TX | — | ◇ UNVERIFIED |
| MIMueller Industries, L.L.C. | Saint Louis | MO | — | ◇ UNVERIFIED |
| MSMuhlhauser Steel INC | Bloomington | CA | — | ◇ UNVERIFIED |
| MSMuhlhauser Steel INC | Murrieta | CA | — | ◇ UNVERIFIED |
| MNMulcahy Nickolaus | Oakdale | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Hopkins | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Chisago City | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC - Onamia | Onamia | MN | — | ◇ UNVERIFIED |
| MEMunicipal Equipment Exporters INC Dba Max-life Mfg | Stanton | CA | — | ◇ UNVERIFIED |
| MMMurphy Machine INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MMMurphy Mechanical & Machine, LLC | Rushville | NY | — | ◇ UNVERIFIED |
| MFMurray Fabrication Facility | Murray | UT | — | ◇ UNVERIFIED |
| MIMurton INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| MMMushro Machine & Tool Works, Inc. | Streator | IL | — | ◇ UNVERIFIED |
| MMMuskogee Metal Fabricators, INC. | Muskogee | OK | — | ◇ UNVERIFIED |
| MFMustang Fabricating a Division of Hotel & Restaurant Supply, INC. | Savannah | TN | — | ◇ UNVERIFIED |
| MMMust Machining & Fabrication LLC | Saint Helena | CA | — | ◇ UNVERIFIED |
| MIMutual Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| MWMutual Welding CO LTD | Kapolei | HI | — | ◇ UNVERIFIED |
| MWMutual Welding Company, LTD | Pearl Harbor | HI | — | ◇ UNVERIFIED |
| MWMutual Welding Company, LTD | Kapolei | HI | — | ◇ UNVERIFIED |
| MIMVB Industries, Inc. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| MGMwc Group INC | Adelanto | CA | — | ◇ UNVERIFIED |
| MWM & W Manufacturing INC | Iola | KS | — | ◇ UNVERIFIED |
| MRMw Reid Welding INC Dba South Bay Welding | El Cajon | CA | — | ◇ UNVERIFIED |
| MSMW Solutions LLC | Defiance | OH | — | ◇ UNVERIFIED |
| MMMyco Metals | Hemet | CA | — | ◇ UNVERIFIED |
| MDMyers Di Corporation | Barnegat | NJ | — | ◇ UNVERIFIED |
| MFMyhr Fabrication INC | Alexandria | MN | — | ◇ UNVERIFIED |
| MEMystique Engineering & Manufac | Marysville | WA | — | ◇ UNVERIFIED |
| NWNaff Welding INC | Henry | VA | — | ◇ UNVERIFIED |
| NINailor Industries Houston Facility | Houston | TX | — | ◇ UNVERIFIED |
| NINailor Industries of Texas INC. | North Las Vegas | NV | — | ◇ UNVERIFIED |
| NCNamasco Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NANapa Auto Parts | Grove City | OH | — | ◇ UNVERIFIED |
| NSNarito Sheetmetal & Mechanical Corporation | Waipahu | HI | — | ◇ UNVERIFIED |
| NFNash Fabricators INC | Vista | CA | — | ◇ UNVERIFIED |
 Nashville Fabrication and Engineering Limited Partnership | Nashville | TN | — | ◇ UNVERIFIED |
| NSNashville Sheet Metal, LLC | Lebanon | TN | — | ◇ UNVERIFIED |
| NWNashville Welding - Machine Works, INC. | Wilson | NC | — | ◇ UNVERIFIED |
| NBNational Butane Gas Company, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| NCNational Chimney Kentucky LLC Dba Magnaflex | Mount Sterling | KY | — | ◇ UNVERIFIED |
| NENational Eastern Corporation | Plainville | CT | — | ◇ UNVERIFIED |
| NFNational Frame Rail | Sanger | TX | — | ◇ UNVERIFIED |
| NGNational Grinding & Manufacturing LLC | Sun City | AZ | — | ◇ UNVERIFIED |
| NINational Industrial Concepts, INC. | Gallatin | TN | — | ◇ UNVERIFIED |
 National Machinery - Fabrication INC | Rock Hill | SC | — | ◇ UNVERIFIED |
| NMNational Maintenance Contracting CORP. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| NMNational Metal Fabrication,j. Delvillar | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NONational Oilwell Varco | San Angelo | TX | — | ◇ UNVERIFIED |
| NONational Oilwell Varco INC | Amelia | LA | — | ◇ UNVERIFIED |
| NONational Ordnance Automotive Manufacturing LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| NSNational Shot Peening, INC. | Weatherford | TX | — | ◇ UNVERIFIED |
| NWNational Welding Corporation | Midvale | UT | — | ◇ UNVERIFIED |
| NNNative Nations Procurement Systems INC. | Dallas | TX | — | ◇ UNVERIFIED |
| NMNauman Machine and Design | Zimmerman | MN | — | ◇ UNVERIFIED |
| NPNaval Postgraduate School | Monterey | CA | — | ◇ UNVERIFIED |
| NFNavarre Fabrication, INC. | Lafayette | LA | — | ◇ UNVERIFIED |
| NSNavasota Site | Navasota | TX | — | ◇ UNVERIFIED |
| NMNazareth Machine Works INC | Mount Bethel | PA | — | ◇ UNVERIFIED |
| NFNC Fabrication, LLC | Nashville | NC | — | ◇ UNVERIFIED |
| NGNci Group INC. | Marietta | GA | — | ◇ UNVERIFIED |
| NGNci Group INC. | Omaha | NE | — | ◇ UNVERIFIED |
| NGNci Group INC. | Rome | NY | — | ◇ UNVERIFIED |
| NGNci Group, INC | Lubbock | TX | — | ◇ UNVERIFIED |
| NGNci Group, INC | Mattoon | IL | — | ◇ UNVERIFIED |
| NCN C Machine LLC | Casper | WY | — | ◇ UNVERIFIED |
| NSNc Stauffer & Sons, INC. | Factoryville | PA | — | ◇ UNVERIFIED |
| NPNDZ Performance | Cheshire | CT | — | ◇ UNVERIFIED |
| NENeco Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| NINedmac INC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| NMNefi Morales and Julie A. Ramos | Maywood | CA | — | ◇ UNVERIFIED |
| NHNeil H. Daniels, INC. | Ascutney | VT | — | ◇ UNVERIFIED |
| NMNeilson Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| NCNello Corporation B2 | South Bend | IN | — | ◇ UNVERIFIED |
| NSNelsen Sheet Metal INC. | Brigham City | UT | — | ◇ UNVERIFIED |
| NINelson Iron Works | Seattle | WA | — | ◇ UNVERIFIED |
| NPNelson Precision Turning INC | Bloomington | MN | — | ◇ UNVERIFIED |
| NQNeodesha Quality Machining, INC. | Neodesha | KS | — | ◇ UNVERIFIED |
| NHNepturne Heat Treating, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| NMNettwork Manufacturing INC | Rice | MN | — | ◇ UNVERIFIED |
| NMNetzer Metalcraft,Inc. | Essex | MD | — | ◇ UNVERIFIED |
| NINeufeldt Industrial Services INC Dba Neufab | Red Wing | MN | — | ◇ UNVERIFIED |
| NENeumeier Engineering, Inc. | Federal Way | WA | — | ◇ UNVERIFIED |
| NCNeumetal Corporation | New London | WI | — | ◇ UNVERIFIED |
| NPNevada Precision Sheet Metal, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| NSNevada Steel Services LLC | Sparks | NV | — | ◇ UNVERIFIED |
| NMNevarez Machining INC | San Jose | CA | — | ◇ UNVERIFIED |
| NNevatronix | Las Vegas | NV | — | ◇ UNVERIFIED |
| NANew Age Steel Products, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| NBNew Beginnings Enterprise INC. | Richmond | VA | — | ◇ UNVERIFIED |
| NTNewberger Tool & Machine LLC | North Canton | OH | — | ◇ UNVERIFIED |
| NBNew Braunfels Facility | San Antonio | TX | — | ◇ UNVERIFIED |
| NMNewburgh Metals, INC. | Newburgh | NY | — | ◇ UNVERIFIED |
| NCNew Century Industries | Industry | CA | — | ◇ UNVERIFIED |
