Louisiana-pacific Corporation-hayward | Hayward | WI | Wood Product Manufacturing321210 | 100-499 | ◐ LIKELY ACTIVE |
| MCMasterson Company, the | Milwaukee | WI | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| MPMckinley Paper and Packaging CO | Combined Locks | WI | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| MHMenzner Hardwoods CO | Marathon | WI | Wood Product Manufacturing321910 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville-beaver Dam | Beaver Dam | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville - Fall River | Fall River | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| MIMetaltek Intl - Wisconsin Investcast | Watertown | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| MIMilkrite Interpuls INC | Johnson Creek | WI | Chemical Manufacturing325212 | 100-499 | ◐ LIKELY ACTIVE |
| MFMilwaukee Forgetech INC. | Milwaukee | WI | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC | Janesville | WI | Transportation Equipment Manufacturing336200 | 100-499 | ◐ LIKELY ACTIVE |
| NPNational Presto Industries INC | Eau Claire | WI | Paper Manufacturing322291 | 100-499 | ◐ LIKELY ACTIVE |
| NBNew Berlin Plastics Incorporated | New Berlin | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NPN.e.w. Plastics CORP. | Luxemburg | WI | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| NCNolato Contour | Baldwin | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NINor-lake INC | Hudson | WI | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| NINorlen Incorporated | Schofield | WI | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| OSOcean Spray Cranberries, INC. | Kenosha | WI | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| OGOutlook Group LLC | Neenah | WI | Printing and Related Support Activities323110 | 100-499 | ◐ LIKELY ACTIVE |
| PPacur | Oshkosh | WI | Plastics and Rubber Products Manufacturing326110 | 100-499 | ◐ LIKELY ACTIVE |
| PHPalmer Hamilton LLC | Elkhorn | WI | Furniture and Related Product Manufacturing337127 | 100-499 | ◐ LIKELY ACTIVE |
| PCPerlick Corporation | Milwaukee | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| PEPlastics Engineering CO. | Sheboygan | WI | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| PHPoclain Hydraulics INC | Sturtevant | WI | Fabricated Metal Product Manufacturing332990 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrint Pro INC | Wrightstown | WI | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| PFProfile Finishing Systems LLC | Kaukauna | WI | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| PCProgressive Converting Appleton Campus | Appleton | WI | Paper Manufacturing322299 | 100-499 | ◐ LIKELY ACTIVE |
| RBR & B Wagner INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| SASaco Aei Polymers | Sheboygan | WI | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| SFSchreiber Foods INC - Richland Center West | Richland Center | WI | Food Manufacturing311510 | 100-499 | ◐ LIKELY ACTIVE |
| SMSchuette Metals | Rothschild | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SPSchumann Printers INC | Fall River | WI | Printing and Related Support Activities323110 | 100-499 | ◐ LIKELY ACTIVE |
| SBSchwing Bioset | Somerset | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SASellars Absorbent Materials CO | Milwaukee | WI | Paper Manufacturing322291 | 100-499 | ◐ LIKELY ACTIVE |
| SFSeneca Foods CORP | Clyman | WI | Food Manufacturing311000 | 100-499 | ◐ LIKELY ACTIVE |
| SFSeneca Foods CORP | Baraboo | WI | Fabricated Metal Product Manufacturing332430 | 100-499 | ◐ LIKELY ACTIVE |
| SPServer Products Inc | Richfield | WI | Machinery Manufacturing333310 | 100-499 | ◐ LIKELY ACTIVE |
| SLSignicast LLC - Brown Deer | Milwaukee | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| SASkana Aluminum Company | Manitowoc | WI | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
| SMSonoco Metal Packaging LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332430 | 100-499 | ◐ LIKELY ACTIVE |
| SCSt Croix of Park Falls LTD | Park Falls | WI | Miscellaneous Manufacturing339920 | 100-499 | ◐ LIKELY ACTIVE |
| STStoughton Trailers, LLC - Plants 5&6 | Stoughton | WI | Transportation Equipment Manufacturing336210 | 100-499 | ◐ LIKELY ACTIVE |
| SISussex Im, INC. | Sussex | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| TTechniplas | Nashotah | WI | Plastics and Rubber Products Manufacturing326100 | 100-499 | ◐ LIKELY ACTIVE |
| TJThe Jor-mac CO INC. | Lomira | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| TSThermal Spray Technologies | Sun Prairie | WI | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| TLTherma-stor LLC | Madison | WI | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| TEThorp Equipment INC | Thorp | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| TQToms Quality Millwork and Hardwoods INC | Campbellsport | WI | Wood Product Manufacturing321918 | 100-499 | ◐ LIKELY ACTIVE |
| TBTrachte Building Systems, INC. | Sun Prairie | WI | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| TCTriple Crown Products INC | Mukwonago | WI | Printing and Related Support Activities323113 | 100-499 | ◐ LIKELY ACTIVE |