| MCMueller Construction Company | Sherman | TX | — | ◇ UNVERIFIED |
| MIMueller Industries, L.L.C. | Saint Louis | MO | — | ◇ UNVERIFIED |
| MOMueller Ornamental Iron Works, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MRMueller Refrigeration Products Company | Hartsville | TN | — | ◇ UNVERIFIED |
| MSMuhlhauser Steel INC | Bloomington | CA | — | ◇ UNVERIFIED |
| MSMuhlhauser Steel INC | Murrieta | CA | — | ◇ UNVERIFIED |
| MNMulcahy Nickolaus | Oakdale | MN | — | ◇ UNVERIFIED |
| MSMulich Services LLC | Bonner Springs | KS | — | ◇ UNVERIFIED |
| MFMullican Flooring | Norton | VA | — | ◇ UNVERIFIED |
| MFMullican Flooring, L.p. | Ronceverte | WV | — | ◇ UNVERIFIED |
| MJMullinax Johnson Truss Company | Ranger | GA | — | ◇ UNVERIFIED |
| MRMullins Rubber Products, INC. (0857770747) | Riverside | OH | — | ◇ UNVERIFIED |
| MHMulti-facetted Homes INC. | Keaau | HI | — | ◇ UNVERIFIED |
 Multi-Machining Co., Inc. | Wylie | TX | — | ◇ UNVERIFIED |
| MMMulti Metals Company, INC. | Greensburg | PA | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Chisago City | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Hopkins | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC - Onamia | Onamia | MN | — | ◇ UNVERIFIED |
 Multix Precision Manufacturing Inc | Monrovia | IN | — | ◇ UNVERIFIED |
| MEMunicipal Equipment Exporters INC Dba Max-life Mfg | Stanton | CA | — | ◇ UNVERIFIED |
| MMMunns Manufacturing INC. | Tremonton | UT | — | ◇ UNVERIFIED |
| MIMunroe, Incorporated | Pittsburgh | PA | — | ◇ UNVERIFIED |
| MLMurphree Leasing LLC | Bristol | WI | — | ◇ UNVERIFIED |
| MMMurphy Machine INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MMMurphy Mechanical & Machine, LLC | Rushville | NY | — | ◇ UNVERIFIED |
| MIMurray INC | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| MIMurton INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| MMMushro Machine & Tool Works, Inc. | Streator | IL | — | ◇ UNVERIFIED |
| MMMusic's Metal Works, LLC. | Dayton | OH | — | ◇ UNVERIFIED |
| MTMuskogee Technology | Atmore | AL | — | ◇ UNVERIFIED |
| MFMustang Fabricating a Division of Hotel & Restaurant Supply, INC. | Savannah | TN | — | ◇ UNVERIFIED |
| MFMustang Framing Components INC | Salem | OR | — | ◇ UNVERIFIED |
| MMMust Machining & Fabrication LLC | Saint Helena | CA | — | ◇ UNVERIFIED |
| MWMutual Welding CO LTD | Kapolei | HI | — | ◇ UNVERIFIED |
| MWMutual Welding Company, LTD | Pearl Harbor | HI | — | ◇ UNVERIFIED |
| MWMutual Welding Company, LTD | Kapolei | HI | — | ◇ UNVERIFIED |
| MM+v | El Paso | TX | — | ◇ UNVERIFIED |
| MIMVB Industries, Inc. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| MAMwc Acquisitions, LLC | Atkinson | NE | — | ◇ UNVERIFIED |
| MGMwc Group INC | Adelanto | CA | — | ◇ UNVERIFIED |
| MWM - W Fab INC. Dba Ace Fabrication and Machine, in | Smithfield | NC | — | ◇ UNVERIFIED |
| MIMwi INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Rocky Mount | VA | — | ◇ 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 |
| MFMyers Fabrication INC | Eugene | OR | — | ◇ UNVERIFIED |
| MFMyhr Fabrication INC | Alexandria | MN | — | ◇ UNVERIFIED |
| MPMy Pillow INC | Shakopee | MN | — | ◇ UNVERIFIED |
| MIMyrtle Industries INC | Jackson | MI | — | ◇ UNVERIFIED |
| MIMy-signguy.com, INC. | Glenview | IL | — | ◇ UNVERIFIED |
| MEMystique Engineering & Manufac | Marysville | WA | — | ◇ UNVERIFIED |
| NWNaff Welding INC | Henry | VA | — | ◇ UNVERIFIED |
| NCNamasco Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NMN.a. Metal Services INC. | Rockland | MA | — | ◇ UNVERIFIED |
| NMNano Manufacturing INC | North Branch | MN | — | ◇ UNVERIFIED |
| NANapa Auto Parts | Grove City | OH | — | ◇ UNVERIFIED |
| NCNapa County Roads | Napa | CA | — | ◇ 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 Belt Service | Tazewell | VA | — | ◇ UNVERIFIED |
| NBNational Belt Service of Wv | Elkview | WV | — | ◇ UNVERIFIED |
| NBNational Belt Service of Wv | Wheeling | WV | — | ◇ UNVERIFIED |
| NBNational Butane Gas Company, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| NCNational Custom Millwork INC. | Beltsville | MD | — | ◇ UNVERIFIED |
| NENational Eastern Corporation | Plainville | CT | — | ◇ UNVERIFIED |
| NENational Element INC. | Brighton | MI | — | ◇ UNVERIFIED |
| NFNational Fiberglass | Tucson | AZ | — | ◇ UNVERIFIED |
| NFNational Frame Rail | Sanger | TX | — | ◇ UNVERIFIED |
| NGNational Grinding & Manufacturing LLC | Sun City | AZ | — | ◇ UNVERIFIED |
 National Machinery - Fabrication INC | Rock Hill | SC | — | ◇ UNVERIFIED |
| NMNational Maintenance Contracting CORP. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| NMNational Metal Fabrication INC | Ontario | CA | — | ◇ 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 |
| NPNational Parts Corporation | Murfreesboro | TN | — | ◇ UNVERIFIED |
| NPNational Products INC 1025 S Elmgrove St | Seattle | WA | — | ◇ UNVERIFIED |
| NPNational Products S Elmgrove | Seattle | WA | — | ◇ UNVERIFIED |
| NSNational Shot Peening, INC. | Weatherford | TX | — | ◇ UNVERIFIED |
| NSNational Sintered Alloys Incorporated | Clinton | CT | — | ◇ UNVERIFIED |
| NSNational Sintered Alloys Incorporated | Clinton | CT | — | ◇ UNVERIFIED |
| NWNational Welding Corporation | Midvale | UT | — | ◇ UNVERIFIED |
| NWNational Wire & Metal Technologies, INC. | Jamestown | NY | — | ◇ UNVERIFIED |
| NSNaugatuck Stair Company, INC. | Naugatuck | CT | — | ◇ UNVERIFIED |
| NHNauman Hobbs Material Handling | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| NMNauman Machine and Design | Zimmerman | MN | — | ◇ UNVERIFIED |
| NPNaval Postgraduate School | Monterey | CA | — | ◇ UNVERIFIED |
| NFNavarre Fabrication, INC. | Lafayette | LA | — | ◇ UNVERIFIED |
| NSNavigator Systems INC | Alameda | CA | — | ◇ UNVERIFIED |
| NMNazareth Machine Works INC | Mount Bethel | PA | — | ◇ UNVERIFIED |
| NHNb Handy | Lynchburg | VA | — | ◇ UNVERIFIED |
| NDN.c. Dac - Correction Enterprises (franklin) Sign Plant | Bunn | NC | — | ◇ UNVERIFIED |
| NFNC Fabrication, LLC | Nashville | NC | — | ◇ UNVERIFIED |
