| TLTrient LLC | Woodville | WI | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| TFTrillant Food & Nutrition LLC. | Little Chute | WI | Food Manufacturing311920 | 100-499 | ◐ LIKELY ACTIVE |
| TPTri-Star Pallets Inc. | Cobb | WI | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
Tsi Power CORP. | Antigo | WI | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
Ttm Technologies, INC. | Chippewa Falls | WI | Computer and Electronic Product Manufacturing334111 | 100-499 | ◐ LIKELY ACTIVE |
| TRTulip Richardson Manufacturing | Milwaukee | WI | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| TRTwinco Romax | Milwaukee | WI | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| UAUS Aluminum Inc | Wauwatosa | WI | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
| USU S Chrome CORP of Wisconsin | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| UPUS Paper Mills CORP. - Menasha Mill | Menasha | WI | Paper Manufacturing322121 | — | ◐ LIKELY ACTIVE |
| VGValley Gasket, INC | Appleton | WI | Miscellaneous Manufacturing339991 | 1-19 | ◐ LIKELY ACTIVE |
| VFVentura Foods INC | Waukesha | WI | Food Manufacturing311940 | 100-499 | ◐ LIKELY ACTIVE |
| VMVenture Machine and Tool Inc. | Onalaska | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| VTVincent Tool Technologies Corp | Chippewa Falls | WI | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| VLV & L Tool LLC | Waukesha | WI | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| VPVoestalpine Precision Strip LLC | Pleasant Prairie | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| VTVortex Tool Company, Inc | Schofield | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| WQWater Quality Center | Wisconsin Rapids | WI | Paper Manufacturing322110 | — | ◐ LIKELY ACTIVE |
| WIWatry Industries | Sheboygan | WI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| WFWaukesha Foundry INC | Waukesha | WI | Primary Metal Manufacturing331510 | — | ◐ LIKELY ACTIVE |
| WMWB Manufacturing LLC | Thorp | WI | Furniture and Related Product Manufacturing337127 | 100-499 | ◐ LIKELY ACTIVE |
| WSWeather Shield Mfg. Inc. | Medford | WI | Wood Product Manufacturing321911 | 100-499 | ◐ LIKELY ACTIVE |
Whole Trees, LLC | Madison | WI | Wood Product Manufacturing321999 | 1-19 | ◐ LIKELY ACTIVE |
| WFWisconsin Foam Company | Madison | WI | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| WSWisconsin Spice INC. | Berlin | WI | Food Manufacturing311941 | 20-99 | ◐ LIKELY ACTIVE |
| WWWisconsin Whey Protein | Turtle Lake | WI | Food Manufacturing311514 | 20-99 | ◐ LIKELY ACTIVE |
| WFWoodland Face Veneer | Two Rivers | WI | Wood Product Manufacturing321211 | 20-99 | ◐ LIKELY ACTIVE |
| WDWoodport Doors LLC | Shawano | WI | Wood Product Manufacturing321911 | 100-499 | ◐ LIKELY ACTIVE |
| WTWpc Technologies INC | Oak Creek | WI | Chemical Manufacturing325130 | 20-99 | ◐ LIKELY ACTIVE |
| XTX-Cel Tooling, Inc. | Iron Ridge | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| ZCZenar CORP | Oak Creek | WI | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| 3C3m Company - Building #49 | Prairie Du Chien | WI | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| 3F3m-cumberland Facility | Cumberland | WI | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| ACAbitec CORP Janesville Plant | Janesville | WI | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
| AFAble Fab N Weld LLC | Galesville | WI | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| APAce Precision | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AFAction Floor Systems LLC | Mercer | WI | Wood Product Manufacturing321910 | 20-99 | ◐ LIKELY ACTIVE |
| AFAdvanced Food Products LLC | Clear Lake | WI | Food Manufacturing311422 | — | ◐ LIKELY ACTIVE |
| AIAgropur INC | Weyauwega | WI | Food Manufacturing311510 | — | ◐ LIKELY ACTIVE |
| AJA & J Vans | Valders | WI | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| ACAldrich Chemical CO LLC - Sheboygan Falls Facility | Sheboygan Falls | WI | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| ACAldrich Chemical Company, Inc.-teutonia | Milwaukee | WI | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| AIAlliance Industries INC | Menasha | WI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Alliance Laundry Systems LLC Stanton Plant | Ripon | WI | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| AIAlpha-prime, INC. | Menasha | WI | Paper Manufacturing322220 | 1-19 | ◐ LIKELY ACTIVE |
| ACAmerican Custom Converting LLC | Green Bay | WI | Paper Manufacturing322299 | 20-99 | ◐ LIKELY ACTIVE |
| AFAmerican Finishing Resources, Ll | Chilton | WI | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| APAmerican Packaging CORP | Columbus | WI | Paper Manufacturing322221 | — | ◐ LIKELY ACTIVE |
| ABAmpi Blair Cheese Plant | Blair | WI | Food Manufacturing311510 | — | ◐ LIKELY ACTIVE |
| ACAmron CORP. | Waukesha | WI | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |