| VVendura | Madison | WI | Plastics and Rubber Products Manufacturing326191 | 20-99 | ◐ LIKELY ACTIVE |
| VPVets Plus, INC. | Menomonie | WI | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| VPVital Plastics, Inc. | Baldwin | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| VFVolatile Free INC | Brookfield | WI | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| VCVorteq Coil Finishers | Oconomowoc | WI | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| WWWald Wire and Manufacturing Corp. | Oshkosh | WI | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| WBWaukesha Bearings CORP | Antigo | WI | Machinery Manufacturing333613 | — | ◐ LIKELY ACTIVE |
Waupaca Foundry INC - Plant 1 | Waupaca | WI | Primary Metal Manufacturing331510 | 500+ | ◐ LIKELY ACTIVE |
Waupaca Foundry INC -plant 4 | Marinette | WI | Primary Metal Manufacturing331510 | 500+ | ◐ LIKELY ACTIVE |
| WCWausau Coated Products | Wausau | WI | Paper Manufacturing322220 | 100-499 | ◐ LIKELY ACTIVE |
| WSWeinbrenner Shoe Company, INC. | Merrill | WI | Leather and Allied Product Manufacturing316210 | 100-499 | ◐ LIKELY ACTIVE |
| WEWenthe-davidson Engineering CO | New Berlin | WI | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| WCWestern Container Corporation | Beloit | WI | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| WSWestern States Envelope CO | Butler | WI | Paper Manufacturing322230 | — | ◐ LIKELY ACTIVE |
| WBWick Buildings LLC | Mazomanie | WI | Wood Product Manufacturing321992 | 100-499 | ◐ LIKELY ACTIVE |
| WIWillman Industries INC | Cedar Grove | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| WIWisco Industries INC | Oregon | WI | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| WSWisconsin Shower Door | Menomonee Falls | WI | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| WFWitmer Furniture LLC | Abbotsford | WI | Furniture and Related Product Manufacturing337122 | 20-99 | ◐ LIKELY ACTIVE |
| WAWolf Appliance INC | Fitchburg | WI | Electrical Equipment, Appliance & Component Manufacturing335220 | 500+ | ◐ LIKELY ACTIVE |
| WGWood Goods Industries INC | Luck | WI | Furniture and Related Product Manufacturing337120 | 20-99 | ◐ LIKELY ACTIVE |
| WRWoods Run Forest Products INC | Colfax | WI | Wood Product Manufacturing321100 | 20-99 | ◐ LIKELY ACTIVE |
| WWWrought Washer Mfg INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| WMW/s Machine & Tool, INC. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ACAdvanced Concrete INC. | Waunakee | WI | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| AMAdvanced Mfg Tech INC | Grafton | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| AEA& E Incorporated | Racine | WI | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| AJA J Manufacturing INC | Bloomer | WI | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| AIAllcast Incorporated | Allenton | WI | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| AMAllied Machinery - Richland LLC | Richland Center | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| ACAmalga Composites INC | West Allis | WI | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| ACAmerequip CORP Kiel Operation | Kiel | WI | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| APAmerican Phoenix INC | Eau Claire | WI | Plastics and Rubber Products Manufacturing326210 | 100-499 | ◐ LIKELY ACTIVE |
| ACAmorim Cork Composites-gs090 | Trevor | WI | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| AAAmron, a Division of Amtec Corporation | Antigo | WI | Fabricated Metal Product Manufacturing332992 | 100-499 | ◐ LIKELY ACTIVE |
| ALAppvion, LLC | Appleton | WI | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| AArandell-schmidt | Menomonee Falls | WI | Printing and Related Support Activities323110 | 500+ | ◐ LIKELY ACTIVE |
| AIArtisans INC | Glen Flora | WI | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| AEAssociate Engineering CORP | Hustisford | WI | Machinery Manufacturing333910 | 20-99 | ◐ LIKELY ACTIVE |
| BLBell Labs INC | Madison | WI | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| BOBenz Oil Corporation | Milwaukee | WI | Petroleum and Coal Products Manufacturing324191 | 1-19 | ◐ LIKELY ACTIVE |
| BDBertram Dental Lab INC | Menasha | WI | Miscellaneous Manufacturing339116 | 20-99 | ◐ LIKELY ACTIVE |
| BIBhp INC | West Allis | WI | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| BMBremer Manufacturing | Elkhart Lake | WI | Primary Metal Manufacturing331310 | 20-99 | ◐ LIKELY ACTIVE |
| BIBriess Industries INC | Chilton | WI | Food Manufacturing311213 | 100-499 | ◐ LIKELY ACTIVE |
| BSBriggs & Stratton CORP - Burleigh Facility | Wauwatosa | WI | Machinery Manufacturing333112 | 500+ | ◐ LIKELY ACTIVE |
| BIBrunk Industries INC | Lake Geneva | WI | Fabricated Metal Product Manufacturing332110 | 100-499 | ◐ LIKELY ACTIVE |
| BGBurlington Graphic Systems INC | Racine | WI | Printing and Related Support Activities323000 | 100-499 | ◐ LIKELY ACTIVE |
| CBChippewa Brass & Aluminum Foundry LTD | Chippewa Falls | WI | Primary Metal Manufacturing331520 | 1-19 | ◐ LIKELY ACTIVE |
| CTChrome Tech of Wisconsin INC | Franklin | WI | Fabricated Metal Product Manufacturing332810 | 1-19 | ◐ LIKELY ACTIVE |