| MCMetal Components LLC | Grand Rapids | MI | — | ● ACTIVE |
Metal Craft Machine & Engineering, INC. | Elk River | MN | — | ● ACTIVE |
| MFMetal Finishing Group INC | Sacramento | CA | 20–99 | ● ACTIVE |
Metal Finishing Technologies, LLC | Bristol | CT | 20–99 | ● ACTIVE |
Metal Forms Corporation | Milwaukee | WI | 20–99 | ● ACTIVE |
Metal Improvement Company, LLC | Livermore | CA | 20–99 | ● ACTIVE |
Metal Improvement Company, LLC | Romulus | MI | 20–99 | ● ACTIVE |
| MIMetal Improvement Company, LLC. | Windsor | CT | 20–99 | ● ACTIVE |
Metallics INC | Onalaska | WI | 100–499 | ● ACTIVE |
Metal Products, Incorporated | Appleton | WI | 20–99 | ● ACTIVE |
Metalworks INC | Ludington | MI | 100–499 | ● ACTIVE |
Metglas, INC | Conway | SC | 100–499 | ● ACTIVE |
| MSMetlsaw Systems INC | Benicia | CA | 20–99 | ● ACTIVE |
Met-l-tec, LLC | Temperance | MI | 20–99 | ● ACTIVE |
| MWMet Weld International LLC | Altamont | NY | 20–99 | ● ACTIVE |
Mgs Machine CORP | Maple Grove | MN | 20–99 | ● ACTIVE |
| MBMicro Bird USA LLC | Plattsburgh | NY | 100–499 | ● ACTIVE |
Micro Gauge, INC | Brighton | MI | 100–499 | ● ACTIVE |
Microline Surgical, INC. | Beverly | MA | 100–499 | ● ACTIVE |
Micro-matics INC. | Fridley | MN | 20–99 | ● ACTIVE |
Microsonic, INC | Ambridge | PA | — | ● ACTIVE |
Microsurgical Technology INC | Redmond | WA | — | ● ACTIVE |
Microvention INC | Aliso Viejo | CA | 500+ | ● ACTIVE |
Mid-america Aerotech, LLC | West Fargo | ND | 1–19 | ● ACTIVE |
| MFMid-atlantic Finishing CORP. | Capitol Heights | MD | — | ● ACTIVE |
Mid-city Steel LLC | La Crosse | WI | 20–99 | ● ACTIVE |
Mid State Machine Products | Winslow | ME | 100–499 | ● ACTIVE |
Mid-states Mfg. & Engr., INC | Milton | IA | 20–99 | ● ACTIVE |
Midwest Finishing, INC. | Brooklyn Park | MN | 20–99 | ● ACTIVE |
Midwest Metal Products CO | Cedar Rapids | IA | 20–99 | ● ACTIVE |
Millar, LLC | Pearland | TX | — | ● ACTIVE |
Millennium Machine & Tool, INC. | Newton | KS | 20–99 | ● ACTIVE |
Miller Castings INC | Whittier | CA | 100–499 | ● ACTIVE |
Miller Industries Towing Equipment INC | Ooltewah | TN | — | ● ACTIVE |
Miller Marine LLC | San Diego | CA | 20–99 | ● ACTIVE |
| MBMilwaukee Bearing and Machining, INC. | Menomonee Falls | WI | 20–99 | ● ACTIVE |
Milwaukee Cylinder INC | Cudahy | WI | 20–99 | ● ACTIVE |
Minutemen Precision Machining & Tool CORP | Ronkonkoma | NY | — | ● ACTIVE |
Mitotec Precision, INC. | Necedah | WI | 20–99 | ● ACTIVE |
Mk Magnetics, INC. | Adelanto | CA | 20–99 | ● ACTIVE |
M & L Precision Machining, INC | Morgan Hill | CA | — | ● ACTIVE |
| MIModern Industries INC | Phoenix | AZ | 500+ | ● ACTIVE |
Modern Manufacturing & Engineering, INC | Brooklyn Park | MN | 100–499 | ● ACTIVE |
Modern Metal Solutions, LLC | Hudson | NH | 20–99 | ● ACTIVE |
Modern Welding Company of Owensboro INC | Owensboro | KY | 20–99 | ● ACTIVE |
Modineer Plant 10 | Niles | MI | 100–499 | ● ACTIVE |
Modine Grenada LLC | Grenada | MS | — | ● ACTIVE |
Moeller Mfg. Company, LLC | Wixom | MI | — | ● ACTIVE |
Molded Products, INC. | Harlan | IA | 20–99 | ● ACTIVE |
Moldex-metric, INC. | Culver City | CA | — | ● ACTIVE |
Momentous Mold & Machine LLC | Cuyahoga Falls | OH | 20–99 | ● ACTIVE |
Monaghan Medical CORP | Plattsburgh | NY | 100–499 | ● ACTIVE |
Monroe Truck Equipment, INC. | Monroe | WI | 500+ | ● ACTIVE |
Moore Nanotechnology Systems, LLC | Swanzey | NH | 20–99 | ● ACTIVE |
Moran Iron Works INC | Onaway | MI | 20–99 | ● ACTIVE |
Morgan Metals INC | Athens | AL | — | ● ACTIVE |
Moridge Manufacturing INC | Moundridge | KS | 100–499 | ● ACTIVE |
Morrison Industries LLC | Morrison | TN | 100–499 | ● ACTIVE |
Morrissey, INC. | Minneapolis | MN | 20–99 | ● ACTIVE |
Motion Dynamics Corporation | Fruitport | MI | 100–499 | ● ACTIVE |
Mpp CORP. | Kimball | MI | 20–99 | ● ACTIVE |
M's Machine & Manufacturing Company, INC. | Monona | IA | 20–99 | ● ACTIVE |
Mulgrew Aircraft Components, INC. | Monrovia | CA | — | ● ACTIVE |
Multichrome Co, INC | Inglewood | CA | 20–99 | ● ACTIVE |
Multicircuits, INC. | Oshkosh | WI | 20–99 | ● ACTIVE |
Multisource Manufacturing LLC | Ramsey | MN | — | ● ACTIVE |
| MNMultitek North America LLC | Prentice | WI | 20–99 | ● ACTIVE |
Murphy Machine Products, INC. | Wood Dale | IL | 20–99 | ● ACTIVE |
Murray Mold & Die, INC | Murray | KY | 20–99 | ● ACTIVE |
Mushield CO INC | Londonderry | NH | — | ● ACTIVE |
Nafco USA LLC | Carson City | NV | 20–99 | ● ACTIVE |
Namjet LLC | Denver | CO | 20–99 | ● ACTIVE |
Nammo Composite Solutions, LLC | Salt Lake City | UT | 20–99 | ● ACTIVE |
Nammo Perry INC. | Perry | FL | 100–499 | ● ACTIVE |
Nammo Pocal INC | Scranton | PA | 20–99 | ● ACTIVE |
Nanograf Corporation | Chicago | IL | 20–99 | ● ACTIVE |
Napoleon Machine LLC | Napoleon | OH | 20–99 | ● ACTIVE |
Narda Holdings, INC. | Hauppauge | NY | 100–499 | ● ACTIVE |
National Filters INC | Harbor Beach | MI | — | ● ACTIVE |
National Machinery LLC | Tiffin | OH | 100–499 | ● ACTIVE |
National Technologies, INC | Oak Creek | WI | — | ● ACTIVE |
| NSNatural Structures INC | Baker City | OR | 20–99 | ● ACTIVE |
| NINeiman/hoeller INC | Van Nuys | CA | 1–19 | ● ACTIVE |
Nelson Irrigation Corporation | Walla Walla | WA | 100–499 | ● ACTIVE |
Nelson Manufacturing CO | Ottawa | OH | 20–99 | ● ACTIVE |
| NSNelson Stud Welding, INC. | Elyria | OH | 100–499 | ● ACTIVE |
New Age Metal Fabricating CO INC | Fairfield | NJ | 20–99 | ● ACTIVE |
New Brunswick Plating INC | New Brunswick | NJ | 20–99 | ● ACTIVE |
| NWNew World Medical Incorporated | Rancho Cucamonga | CA | 100–499 | ● ACTIVE |
Next Intent, INC. | San Luis Obispo | CA | — | ● ACTIVE |
| NPNico Products INC | Minneapolis | MN | 20–99 | ● ACTIVE |
Nolte Precise Manufacturing INC | Cincinnati | OH | 20–99 | ● ACTIVE |
Nordic Components, INC | Waconia | MN | — | ● ACTIVE |
Norland International, INC. | Lincoln | NE | 20–99 | ● ACTIVE |
Northampton Machine Co., INC. | Easthampton | MA | 20–99 | ● ACTIVE |
| NCNortheast Coating Technologies INC | Kennebunk | ME | 100–499 | ● ACTIVE |
| NCNortheast Coating Technologies, INC. | Sanford | ME | 20–99 | ● ACTIVE |
| NENortheast Electronics CORP | Milford | CT | 20–99 | ● ACTIVE |
Northeast Industrial Manufacturing, INC. | Greenville | PA | 20–99 | ● ACTIVE |
Northeast Power Systems, INC. | Queensbury | NY | 20–99 | ● ACTIVE |