Mantel Machine Products INC. | Menomonee Falls | 20–99 | ● ACTIVE |
Marine Travelift INC | Sturgeon Bay | 100–499 | ● ACTIVE |
| MIMarsan INC. | Germantown | — | ● ACTIVE |
| MMMarten Machining, INC. | Stevens Point | 20–99 | ● ACTIVE |
Matenaer CORP | West Bend | 100–499 | ● ACTIVE |
Max Weiss CO LLC | Milwaukee | 20–99 | ● ACTIVE |
Mccormick Industries INC | Appleton | 1–19 | ● ACTIVE |
Mcnally Industries, LLC | Grantsburg | 20–99 | ● ACTIVE |
Merrill Iron & Steel INC. | Schofield | 100–499 | ● ACTIVE |
| MOMetalcraft of Mayville INC | Mayville | 100–499 | ● ACTIVE |
Metal Forms Corporation | Milwaukee | 20–99 | ● ACTIVE |
Metallics INC | Onalaska | 100–499 | ● ACTIVE |
Metal Products, Incorporated | Appleton | 20–99 | ● ACTIVE |
Mid-city Steel LLC | La Crosse | 20–99 | ● ACTIVE |
Mid Valley Industries, LLC | Kaukauna | — | ● ACTIVE |
Midwest Industries, INC | Waukesha | — | ● ACTIVE |
| MTMidwest Thermal Vac (mtv) INC. | Kenosha | — | ● ACTIVE |
| MBMilwaukee Bearing and Machining, INC. | Menomonee Falls | 20–99 | ● ACTIVE |
Milwaukee Valve Co, INC | New Berlin | 20–99 | ● ACTIVE |
Milwaukee Valve Company, LLC | Prairie Du Sac | — | ● ACTIVE |
Mitotec Precision, INC. | Necedah | 20–99 | ● ACTIVE |
Multicircuits, INC. | Oshkosh | 20–99 | ● ACTIVE |
| MNMultitek North America LLC | Prentice | 20–99 | ● ACTIVE |
Muza Metal Products, LLC | Oshkosh | 100–499 | ● ACTIVE |
Nabco Entrances, INC. | Muskego | 100–499 | ● ACTIVE |
National Rivet & Manufacturing Company | Waupun | 20–99 | ● ACTIVE |
National Technologies, INC | Oak Creek | 100–499 | ● ACTIVE |
Northern Gear, LLC | Muskego | 20–99 | ● ACTIVE |
Ocenco INC | Pleasant Prairie | 20–99 | ● ACTIVE |
Oem Fabricators, INC. | Woodville | 100–499 | ● ACTIVE |
Pdj Cutting and Fabricating, LLC | Manitowoc | 1–19 | ● ACTIVE |
Pioneer Metal Finishing LLC | Green Bay | — | ● ACTIVE |
Pioneer Products, INC. | Racine | 100–499 | ● ACTIVE |
Pivot Point INC | Hustisford | 20–99 | ● ACTIVE |
Plymouth Industries, Incorporated | Plymouth | 500+ | ● ACTIVE |
Pointe Precision INC | Plover | 100–499 | ● ACTIVE |
Precision Machine, INC | Algoma | 20–99 | ● ACTIVE |
Processed Metals Innovators, INC. | Bloomer | 100–499 | ● ACTIVE |
Pro Products, LLC | Sturgeon Bay | 20–99 | ● ACTIVE |
Prop Shaft Supply INC | Delavan | 100–499 | ● ACTIVE |
Quality Machining INC | Waunakee | 20–99 | ● ACTIVE |
| QWQuality Welding Service INC | Suamico | 1–19 | ● ACTIVE |
Ram Tool, INC. | Grafton | 20–99 | ● ACTIVE |
R & B Wagner INC | Milwaukee | 100–499 | ● ACTIVE |
Reader Precision Solutions, INC. | Elkhorn | 100–499 | ● ACTIVE |
Regent Die & Tool Co, INC | Milwaukee | 20–99 | ● ACTIVE |
Reich Tool & Design, INC. | Menomonee Falls | 20–99 | ● ACTIVE |
Rice Lake Weighing Systems, INC. | Rice Lake | — | ● ACTIVE |
Riverside Machine and Engineering, INC. | Eau Claire | 100–499 | ● ACTIVE |
Riverstone Machining LLC | Fox Lake | 20–99 | ● ACTIVE |