| ASAccurate Specialties INC | Waukesha | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| AEAce Ethanol LLC | Stanley | WI | Chemical Manufacturing325190 | 20-99 | ◐ LIKELY ACTIVE |
Ace Precision Machining, LLC | Oconomowoc | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ANActus Nutrition - Sparta | Sparta | WI | Food Manufacturing311510 | 20-99 | ◐ LIKELY ACTIVE |
| ACAhlstrom Coated Products LLC | Rhinelander | WI | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| ASArclin Surfaces | Hayward | WI | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| ACArrowhead Conveyor LLC | Oshkosh | WI | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| BABadger Alloys | Milwaukee | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| BMBadger Meter Racine | Racine | WI | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| BMBaker Manufacturing | Evansville | WI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| BBBci Burke Company, LLC | Fond Du Lac | WI | Miscellaneous Manufacturing339920 | 100-499 | ◐ LIKELY ACTIVE |
| BMBemis Manufacturing | Sheboygan Falls | WI | Wood Product Manufacturing321219 | 500+ | ◐ LIKELY ACTIVE |
| BRBig River Resources Boyceville, LLC | Boyceville | WI | Chemical Manufacturing325193 | 20-99 | ◐ LIKELY ACTIVE |
| BCBlast Cleaning Technologies | West Allis | WI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| BUBorregaard USA INC | Rothschild | WI | Chemical Manufacturing325190 | 100-499 | ◐ LIKELY ACTIVE |
| BBoumatic | Madison | WI | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| BWBrady Worldwide - Florist Ave Plt | Glendale | WI | Paper Manufacturing322200 | 100-499 | ◐ LIKELY ACTIVE |
| CICarlisle Interconnect Technologies | Franklin | WI | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| CRChanneled Resources Group | Marathon | WI | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| CFCrystal Finishing Systems INC - Mosinee | Mosinee | WI | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| CPCustom Pak Products INC. | Germantown | WI | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| DPDe Pere Foundry INC | De Pere | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
Dickmann INC | Grafton | WI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| DPDutchland Plastics | Oostburg | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| EDEggers Division LLC - Neenah | Neenah | WI | Wood Product Manufacturing321910 | 100-499 | ◐ LIKELY ACTIVE |
| EMEk Machine CO INC | Fall River | WI | Fabricated Metal Product Manufacturing332000 | 20-99 | ◐ LIKELY ACTIVE |
| ELEncapsys LLC | Portage | WI | Chemical Manufacturing325990 | 20-99 | ◐ LIKELY ACTIVE |
| EREpic Resins | Palmyra | WI | Chemical Manufacturing325110 | 20-99 | ◐ LIKELY ACTIVE |
| FRFall River Foundry CO | Fall River | WI | Primary Metal Manufacturing331520 | 100-499 | ◐ LIKELY ACTIVE |
| FTFederal Tool & Engineering | West Bend | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| FIFeeco International INC | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| FGFives Giddings & Lewis, LLC | Fond Du Lac | WI | Machinery Manufacturing333510 | 100-499 | ◐ LIKELY ACTIVE |
| FFForemost Farms USA | Appleton | WI | Food Manufacturing311510 | 100-499 | ◐ LIKELY ACTIVE |
| FFForemost Farms USA | Lancaster | WI | Food Manufacturing311510 | 20-99 | ◐ LIKELY ACTIVE |
| FTFrom the Forest LLC | Weston | WI | Wood Product Manufacturing321211 | 20-99 | ◐ LIKELY ACTIVE |
| FFFuture Foam, INC. | Middleton | WI | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| GMGe Medical Systems LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| GIGenencor International Wisconsin, INC. | Beloit | WI | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| GAGordon Aluminum Industries | Schofield | WI | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Cheese of La Crosse, Wisconsin, INC. | La Crosse | WI | Food Manufacturing311513 | 100-499 | ◐ LIKELY ACTIVE |
| GBGreen Bay Dressed Beef, LLC | Green Bay | WI | Food Manufacturing311610 | — | ◐ LIKELY ACTIVE |
| GBGreen Bay Packaging INC - Mill Division | Green Bay | WI | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| HIHercules Incorporated - Milwaukee Plant | Milwaukee | WI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
Hormel Foods Corporation Beloit Plant | Beloit | WI | Food Manufacturing311610 | — | ◐ LIKELY ACTIVE |
Jd Laser, INC. | Hartford | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| JTJohnson Truck Bodies | Rice Lake | WI | Transportation Equipment Manufacturing336200 | 100-499 | ◐ LIKELY ACTIVE |
| JIJoy-mark INC | Cudahy | WI | Nonmetallic Mineral Product Manufacturing327125 | 20-99 | ◐ LIKELY ACTIVE |
| KIKerry INC | Owen | WI | Food Manufacturing311510 | 100-499 | ◐ LIKELY ACTIVE |
| KIKerry Ingredients | Vesper | WI | Food Manufacturing311510 | — | ◐ LIKELY ACTIVE |
| KBKrueger Bearings INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |