Metalwerks, INC. | Aliquippa | PA | — | ● ACTIVE |
| MIMetamora Industries, LLC | Metamora | IL | 20–99 | ● ACTIVE |
Met International Trading Company, INC. | Houston | TX | — | ● ACTIVE |
Metro Assemblies INC | Minneapolis | MN | — | ● ACTIVE |
| MSMetro Steel & Pipe Supply, INC. | Tavares | FL | 20–99 | ● ACTIVE |
| MRMeyercord Revenue INC | Carol Stream | IL | 20–99 | ● ACTIVE |
Mfc Netform LLC | Shelby Township | MI | — | ● ACTIVE |
Michigan Steel Finishing CO | Detroit | MI | — | ● ACTIVE |
| MPMicro-dimensional Products INC | Norristown | PA | — | ● ACTIVE |
| MPMicron Products INC | Fitchburg | MA | 20–99 | ● ACTIVE |
| MIMicropulse Incorporated | Columbia City | IN | 500+ | ● ACTIVE |
| MQMicro Q, INC | San Diego | CA | — | ● ACTIVE |
Mid-america Taping & Reeling INC | Glendale Heights | IL | — | ● ACTIVE |
Mid-continent Instrument CO INC | Wichita | KS | — | ● ACTIVE |
Mid-continent Instrument Co, INC. | Chatsworth | CA | — | ● ACTIVE |
Midgard INC | Green Lane | PA | — | ● ACTIVE |
| MTMid-state Tank CO INC | Sullivan | IL | — | ● ACTIVE |
Midsun Specialty Products, INC. | Berlin | CT | — | ● ACTIVE |
Midwest Bale Ties INC | Crawfordsville | IN | — | ● ACTIVE |
Midwest Industrial Metal Fabrication, INC. | Huntington | IN | — | ● ACTIVE |
Midwest Industries, INC | Waukesha | WI | — | ● ACTIVE |
| MPMidwest Precision Molding, INC | Lake Geneva | WI | 20–99 | ● ACTIVE |
Mike Kenney Tool, INC | Placentia | CA | — | ● ACTIVE |
| MEMikros Engineering, INC | Brooklyn Park | MN | 100–499 | ● ACTIVE |
Mil-bar Plastics, INC. | Corona | CA | — | ● ACTIVE |
Military Systems Group, INC. | Nashville | TN | — | ● ACTIVE |
Miller Diversified Machining INC | Minneapolis | MN | — | ● ACTIVE |
Miller & Son | Belleville | NJ | — | ● ACTIVE |
Mil-mar Century Corporation | Miamisburg | OH | — | ● ACTIVE |
Milwaukee Precision Casting INC | Milwaukee | WI | — | ● ACTIVE |
Milwaukee Valve Co, INC | New Berlin | WI | 20–99 | ● ACTIVE |
Milwaukee Valve Company, LLC | Prairie Du Sac | WI | — | ● ACTIVE |
Minearc Systems America LLC | Lancaster | TX | 20–99 | ● ACTIVE |
| MAMingo Aerospace | Owasso | OK | 100–499 | ● ACTIVE |
Minnysonoda CORP | Monroe | WA | 20–99 | ● ACTIVE |
| MUMinova USA INC | Georgetown | KY | — | ● ACTIVE |
| MRMirada Research & Manufacturing, INC. | Ironton | MN | — | ● ACTIVE |
Mission Critical Solutions, LLC | Alum Bank | PA | 20–99 | ● ACTIVE |
Mitchell Defense LLC | Glenside | PA | — | ● ACTIVE |
| MTMi-tech Tungsten Metals LLC | Indianapolis | IN | 20–99 | ● ACTIVE |
M-l Utilities LLC | Spring Hill | TN | — | ● ACTIVE |
M & M Industries, INC. | Chattanooga | TN | — | ● ACTIVE |
Mmlj INC | Houston | TX | — | ● ACTIVE |
Mocap LLC | Park Hills | MO | — | ● ACTIVE |
| MIModern Industries, INC. | Phoenix | AZ | — | ● ACTIVE |
Modern Metal Finishing, LLC | Oxford | CT | — | ● ACTIVE |
Modern Mold and Tool, INC. | Pittsfield | MA | — | ● ACTIVE |
Modine Manufacturing CO | Racine | WI | 100–499 | ● ACTIVE |
Modular Container Systems, INC. | Lavonia | GA | 20–99 | ● ACTIVE |
Mofab INC | Anderson | IN | — | ● ACTIVE |
Mold-a-matic CORP | Oneonta | NY | — | ● ACTIVE |
Molding Concepts INC | Sterling Heights | MI | — | ● ACTIVE |
Moldtronics INC | Downers Grove | IL | — | ● ACTIVE |
Momentive Performance Materials Quartz, INC | Strongsville | OH | 100–499 | ● ACTIVE |
Monarch Welding & Engineering INC | Warren | MI | — | ● ACTIVE |
Montana Fiberglass INC | Lewistown | MT | — | ● ACTIVE |
Montana Hydraulics, LLC | Helena | MT | — | ● ACTIVE |
Montrose Molders CORP | Piscataway | NJ | 100–499 | ● ACTIVE |
Morris Industries, INC | Powhatan | VA | — | ● ACTIVE |
| MBMorrison Berkshire INC | North Adams | MA | — | ● ACTIVE |
Moshe Operations and Asset Management, LLC | Jessup | MD | — | ● ACTIVE |
Motion Systems INC | Warren | MI | — | ● ACTIVE |
Motorcar Parts of America, INC | Torrance | CA | — | ● ACTIVE |
Mountain Vista System Solutions LLC | Tijeras | NM | — | ● ACTIVE |
Mps Manufacturing Company, LLC | New Philadelphia | OH | — | ● ACTIVE |
Msp Aviation, INC. | Bloomington | IN | 20–99 | ● ACTIVE |
Mtw Plating, INC. | Mukilteo | WA | — | ● ACTIVE |
| MBMve Biological Solutions | Ball Ground | GA | 20–99 | ● ACTIVE |
Myers Container, LLC | Portland | OR | — | ● ACTIVE |
Nabco Entrances, INC. | Muskego | WI | 100–499 | ● ACTIVE |
| NINakamura-beeman, INC. | Santa Fe Springs | CA | — | ● ACTIVE |
| NPNakoma Products, LLC | Bridgeview | IL | — | ● ACTIVE |
| NNNalge Nunc International Corporation | Rochester | NY | — | ● ACTIVE |
Nammo Defense Systems INC. | Mesa | AZ | 100–499 | ● ACTIVE |
Nanocerox INC | Ann Arbor | MI | — | ● ACTIVE |
Nashville Wire Products Manufacturing Co, LLC | Nashville | TN | — | ● ACTIVE |
National Cart CO INC | Saint Charles | MO | — | ● ACTIVE |
National Chromium Company, Incorporated | Putnam | CT | — | ● ACTIVE |
National Fence Systems INC. | Avenel | NJ | — | ● ACTIVE |
National Machine Company | Stow | OH | — | ● ACTIVE |
National Plastics and Seals, INC. | Schaumburg | IL | — | ● ACTIVE |
National Strand Products, INC | Baytown | TX | — | ● ACTIVE |
Naztec International Group LLC | West Palm Beach | FL | — | ● ACTIVE |
Ndk Paragon, LLC | Oceanside | CA | — | ● ACTIVE |
| NANeill Aircraft CO. | Long Beach | CA | 100–499 | ● ACTIVE |
Neptech, INC. | Highland | MI | — | ● ACTIVE |
Neu Custom Packaging LLC | Englewood | FL | — | ● ACTIVE |
New Age Industrial Corporation INC. | Norton | KS | 100–499 | ● ACTIVE |
Newark Industrial Spraying, INC. | Newark | NJ | — | ● ACTIVE |
New Bedford Technology, LLC | Worthington | MN | — | ● ACTIVE |
Newberry Tanks & Equipment, LLC | West Memphis | AR | — | ● ACTIVE |
Newcomb Spring CORP | Dallas | TX | — | ● ACTIVE |
| NENew England Airfoil Products INC | Farmington | CT | 100–499 | ● ACTIVE |
New England Custom Coaters, INC. | Agawam | MA | — | ● ACTIVE |
| NENew England Etching Co, INC. | Holyoke | MA | — | ● ACTIVE |
New Hampshire Ball Bearings INC | Chatsworth | CA | — | ● ACTIVE |
New Lenox Machine Co., INC. | Dwight | IL | — | ● ACTIVE |
New Process Fibre CO | Greenwood | DE | — | ● ACTIVE |
New Step Orthotic Lab, INC. | Maryville | IL | — | ● ACTIVE |
Newton Heat Treating Company, INC. | Rowland Heights | CA | — | ● ACTIVE |