| BTBrenner Tank INC | Fond Du Lac | WI | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| RBR. B. Royal Industries | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WIWire Industries INC | Fond Du Lac | WI | Primary Metal Manufacturing331100 | — | ◇ UNVERIFIED |
| MSMid States Aluminum CORP | Fond Du Lac | WI | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| APAction Printing | Fond Du Lac | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CDCombination Door CO | Fond Du Lac | WI | Wood Product Manufacturing321910 | — | ◇ UNVERIFIED |
| EIElectro-plating INC | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FMFze Manufacturing Solutions LLC | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ISInterior Systems | Fond Du Lac | WI | Furniture and Related Product Manufacturing337120 | — | ◇ UNVERIFIED |
| IPInternational Paper | Fond Du Lac | WI | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| NINafco International INC | Fond Du Lac | WI | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◇ UNVERIFIED |
| SCSaputo Cheese - Scott St. | Fond Du Lac | WI | Food Manufacturing311510 | — | ◇ UNVERIFIED |
| WMWells Mfg CORP Electronics Plt | Fond Du Lac | WI | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| NSNatural Stone Veneers International, INC. | Fond Du Lac | WI | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| LPLedgeview Precast Concrete INC. | Fond Du Lac | WI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MCMetal-link CORP. | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| QRQuartz Right LLC | Fond Du Lac | WI | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RSRichard & Sons, Inc. | Fond du Lac | WI | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| TITanis, INC | Fond Du Lac | WI | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| TCThe Combination Door CO. | Fond du Lac | WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| TMThe Machine Shop LLC | Fond Du Lac | WI | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| WLWilloughby Land Management LLC | Fond du Lac | WI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
