Lift, INC | Milwaukee | WI | Machinery Manufacturing333923 | — | ● ACTIVE |
| LTLindor Tool, INC | Saint Croix Falls | WI | Machinery Manufacturing333514 | — | ● ACTIVE |
Linectra INC | Middleton | WI | Machinery Manufacturing333248 | — | ● ACTIVE |
Litezilla LLC | Cedarburg | WI | Miscellaneous Manufacturing339930 | — | ● ACTIVE |
Lpi Digital, LLC | New Berlin | WI | Printing and Related Support Activities323111 | — | ● ACTIVE |
L.t. Hampel CORP | Germantown | WI | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Lyles Combustion Services LLC | Saint Francis | WI | Computer and Electronic Product Manufacturing334513 | — | ● ACTIVE |
Mach Forge Industries LLC | Oshkosh | WI | Fabricated Metal Product Manufacturing332112 | — | ● ACTIVE |
| MMMaclean-Fogg Menomonee Falls | Menomonee Falls | WI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Madison Northside Planning Council INC | Madison | WI | Food Manufacturing311812 | — | ● ACTIVE |
Madwalk LLC | Madison | WI | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Magica INC | Oshkosh | WI | Chemical Manufacturing325998 | — | ● ACTIVE |
Magnasphere Corporation | Waukesha | WI | Computer and Electronic Product Manufacturing334290 | — | ● ACTIVE |
| MMMallinckrodt Manufacturing LLC | Madison | WI | Miscellaneous Manufacturing339112 | 20-99 | ● ACTIVE |
Maranda Enterprises, LLC | Mequon | WI | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Marinette Machine LLC | Marinette | WI | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| MIMarsan INC | Germantown | WI | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| MDMartin Drive | Neenah | WI | Printing and Related Support Activities323111 | 20-99 | ● ACTIVE |
Maxima Technologies & Systems LLC | Waukesha | WI | Computer and Electronic Product Manufacturing334513 | — | ● ACTIVE |
Mayville Engineering Company, INC. | Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Mcclean Anderson, LLC | Schofield | WI | Machinery Manufacturing333998 | — | ● ACTIVE |
Mccormick Industries INC | Appleton | WI | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
Mc Squared Group INC | Milwaukee | WI | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Mechanical Industries Wi LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Mec International Corporation | Milwaukee | WI | Computer and Electronic Product Manufacturing334418 | — | ● ACTIVE |
Mectronx CORP | Oconomowoc | WI | Computer and Electronic Product Manufacturing334418 | — | ● ACTIVE |
Mekco INC | Newton | WI | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Menet Aero LLC | Mequon | WI | Transportation Equipment Manufacturing336411 | — | ● ACTIVE |
Meridian Laboratory, INC | Middleton | WI | Computer and Electronic Product Manufacturing334417 | — | ● ACTIVE |
Metro Sound & Video, INC. | New Berlin | WI | Computer and Electronic Product Manufacturing334310 | — | ● ACTIVE |
| MMicrobrush | Grafton | WI | Miscellaneous Manufacturing339114 | 100-499 | ● ACTIVE |
Microporous Oxides Science & Technology LLC | Oregon | WI | Chemical Manufacturing325510 | — | ● ACTIVE |
Microscopy Innovations, LLC | Marshfield | WI | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
| MPMidland Plastics INC | New Berlin | WI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
| MCMidwest Custom Bottling, LLC | Pewaukee | WI | Beverage and Tobacco Product Manufacturing312140 | 20-99 | ● ACTIVE |
| MPMidwest Products and Engineering | Milwaukee | WI | Computer and Electronic Product Manufacturing334510 | 100-499 | ● ACTIVE |
Mikrotech LLC | Kenosha | WI | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Milport Enterprises, INC. | Milwaukee | WI | Chemical Manufacturing325180 | — | ● ACTIVE |
Milwaukee Machinetool CORP | Milwaukee | WI | Machinery Manufacturing333517 | — | ● ACTIVE |
Milwaukee PC INC a Wisconsin CORP | Milwaukee | WI | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
Mischo, INC. | Hudson | WI | Machinery Manufacturing333519 | — | ● ACTIVE |
| MIModtruss INC | Allenton | WI | Fabricated Metal Product Manufacturing332311 | — | ● ACTIVE |
Modular Trail Structures, LLC | Cottage Grove | WI | Wood Product Manufacturing321992 | — | ● ACTIVE |
| MFMonroe Fabrication LLC | Omro | WI | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
Monroe Specialty CO INC | Monroe | WI | Miscellaneous Manufacturing339910 | — | ● ACTIVE |
Moria Manufacturing LLC | Madison | WI | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Morris Material Handling INC. | Watertown | WI | Machinery Manufacturing333923 | — | ● ACTIVE |
| MDMoss Designs, LTD. | Van Dyne | WI | Furniture and Related Product Manufacturing337127 | — | ● ACTIVE |
Motis, LLC | Germantown | WI | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Motor Specialty, INC. | Racine | WI | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ● ACTIVE |