| AFAbbyland Foods INC | Abbotsford | WI | Food Manufacturing311611 | 500+ | ● ACTIVE |
| AMAce Manufacturing Industries, LLC | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Allied Plastics LLC | Twin Lakes | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ● ACTIVE |
| AFAmcor Films | Oshkosh | WI | Paper Manufacturing322221 | 100-499 | ● ACTIVE |
| AOAmerican Orthodontics Corporation | Sheboygan | WI | Machinery Manufacturing333912 | 500+ | ● ACTIVE |
American Structural Metals INC | Somerset | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Amtec Corporation | Janesville | WI | Fabricated Metal Product Manufacturing332993 | 100-499 | ● ACTIVE |
Andis Company | Sturtevant | WI | Electrical Equipment, Appliance & Component Manufacturing335210 | 20-99 | ● ACTIVE |
Apache Stainless Equipment CORP | Beaver Dam | WI | Fabricated Metal Product Manufacturing332420 | 100-499 | ● ACTIVE |
Api Heat Transfer Thermasys Corporation | Franklin | WI | Fabricated Metal Product Manufacturing332410 | — | ● ACTIVE |
| APA. P. Nonweiler Co., INC. | Oshkosh | WI | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
Apple Steel Rule Die Co., INC. | Milwaukee | WI | Machinery Manufacturing333514 | 20-99 | ● ACTIVE |
Appleton Marine INC | Appleton | WI | Machinery Manufacturing333120 | 20-99 | ● ACTIVE |
Ariens CO | Brillion | WI | Machinery Manufacturing333110 | 500+ | ● ACTIVE |
Artemax INC | New Berlin | WI | Printing and Related Support Activities323111 | — | ● ACTIVE |
Ataco Steel Products CORP | Cedarburg | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ● ACTIVE |
A to Z Machine Co, INC | Appleton | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
Avidity Science, LLC | Waterford | WI | Fabricated Metal Product Manufacturing332999 | 100-499 | ● ACTIVE |
Badger Boiled Ham CO. INC. | Milwaukee | WI | Food Manufacturing311612 | 20-99 | ● ACTIVE |
Badger Magnetics INC | Milwaukee | WI | Computer and Electronic Product Manufacturing334416 | — | ● ACTIVE |
Bay View Industries, INC | Oak Creek | WI | Wood Product Manufacturing321211 | 100-499 | ● ACTIVE |
| BBBerntsen Brass & Aluminum Foundry INC | Madison | WI | Primary Metal Manufacturing331520 | 100-499 | ● ACTIVE |
| BCBiomune Company - Verona | Verona | WI | Chemical Manufacturing325414 | 20-99 | ● ACTIVE |
| BABothe Associates INC | Kenosha | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Brunner Manufacturing Company, INC. | Mauston | WI | Fabricated Metal Product Manufacturing332722 | 100-499 | ● ACTIVE |
Bruno Independent Living Aids INC | Oconomowoc | WI | Machinery Manufacturing333921 | 100-499 | ● ACTIVE |
| CAC a Lawton CO | De Pere | WI | Primary Metal Manufacturing331510 | 100-499 | ● ACTIVE |
Calumet Diversified Meats INC. | Pleasant Prairie | WI | Food Manufacturing311612 | — | ● ACTIVE |
Carlson Tool & Manufacturing CORP. | Cedarburg | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
| CTCascades Tissue Group Wisconsin INC | Eau Claire | WI | Paper Manufacturing322000 | 100-499 | ● ACTIVE |
Catalytic Combustion Corporation | Bloomer | WI | Machinery Manufacturing333132 | 100-499 | ● ACTIVE |
Cedar Valley Cheese, INC. | Belgium | WI | Food Manufacturing311513 | 20-99 | ● ACTIVE |
| CACharter Aarrowcast | Shawano | WI | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
| CSCharter Steel - Saukville | Saukville | WI | Primary Metal Manufacturing331100 | 500+ | ● ACTIVE |
| CPChemdesign Products INC | Marinette | WI | Chemical Manufacturing325000 | 100-499 | ● ACTIVE |
| CBCity Brewing Company, LLC | La Crosse | WI | Beverage and Tobacco Product Manufacturing312120 | — | ● ACTIVE |
| CPCooper Power Systems - South Milwaukee | South Milwaukee | WI | Electrical Equipment, Appliance & Component Manufacturing335310 | 100-499 | ● ACTIVE |
Core Products International, INC. | Osceola | WI | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
| CCCornerstone Composites INC | Milwaukee | WI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Corrim Company Frp LLC | Oshkosh | WI | Plastics and Rubber Products Manufacturing326110 | 20-99 | ● ACTIVE |
| CGCurt G Joa INC | Sheboygan Falls | WI | Machinery Manufacturing333243 | 100-499 | ● ACTIVE |
Curt Manufacturing, LLC | Eau Claire | WI | Transportation Equipment Manufacturing336390 | — | ● ACTIVE |
| CPCustom Pultrusions INC | Baraboo | WI | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
Daigle Brothers, INC. | Tomahawk | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
Dedicated Computing LLC | Waukesha | WI | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Donaldson Company INC | Stevens Point | WI | Fabricated Metal Product Manufacturing332999 | 100-499 | ● ACTIVE |
D & S Dental Laboratory INC | Waunakee | WI | Miscellaneous Manufacturing339116 | 20-99 | ● ACTIVE |
D & S Machine Service, INC. | Luxemburg | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
| DPDunn Paper - Ladysmith LLC | Ladysmith | WI | Paper Manufacturing322120 | 20-99 | ● ACTIVE |
Duratech Industries INC | La Crosse | WI | Printing and Related Support Activities323110 | 100-499 | ● ACTIVE |