| CLClear Lake Oxbo | Clear Lake | WI | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| CICNH Industrial America LLC | Sturtevant | WI | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| CICnh Industrial America LLC | Racine | WI | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-La Crosse, WI-USA | La Crosse | WI | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| CSCommercial Solutions Division - West | Appleton | WI | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |
| CTCreation Technologies MIL | Oak Creek | WI | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal USA, Inc. - Wissota | Chippewa Falls | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| CECummins Emission Solutions Stoughton | Stoughton | WI | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| CSCummins Sales & Service - De Pere Upfit | De Pere | WI | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| CTCustom Truck One Source - Union Grove | Union Grove | WI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| CTCustom Truck One Source - Union Grove South | Union Grove | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| DDarien | Darien | WI | Machinery Manufacturing333611 | 500+ | ◐ LIKELY ACTIVE |
| DSDefense Supply Associates, INC. | Fort Atkinson | WI | Machinery Manufacturing333995 | — | ◐ LIKELY ACTIVE |
| DPDiamond Precision Products | Milwaukee | WI | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| DBDoosan Bobcat Johnson Creek | Johnson Creek | WI | Machinery Manufacturing333112 | 100-499 | ◐ LIKELY ACTIVE |
| DMDorner Manufacturing | Hartland | WI | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| DDDouglas Dynamics, aka Western Products | Milwaukee | WI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| DKDukane Kimberly | Kimberly | WI | Machinery Manufacturing333992 | 1-19 | ◐ LIKELY ACTIVE |
| DGDynacast - Germantown | Germantown | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
Dynamic Tool Corporation - Woodale | Menomonee Falls | WI | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| EREarth Ranch | Jackson | WI | Machinery Manufacturing333241 | 1-19 | ◐ LIKELY ACTIVE |
| EPEDL Packaging, A Massman Company | De Pere | WI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| ELEmtro LLC | Hobart | WI | Machinery Manufacturing333243 | 100-499 | ◐ LIKELY ACTIVE |
| EEngineering | New Holstein | WI | Machinery Manufacturing333112 | 1-19 | ◐ LIKELY ACTIVE |
| EDEpiroc Drilling Tools LLS | Mosinee | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| EDEquipment Depot Wisconsin, Inc. - Corporate | Hartland | WI | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| EDEquipment Depot Wisconsin, Inc. - Kaukauna | Kaukauna | WI | Machinery Manufacturing333924 | 1-19 | ◐ LIKELY ACTIVE |
| EDEquipment Depot Wisconsin, Inc. - Sun Prairie | Sun Prairie | WI | Machinery Manufacturing333924 | 1-19 | ◐ LIKELY ACTIVE |
| EDEquipment Depot Wisconsin, Inc. - Weston | Weston | WI | Machinery Manufacturing333924 | 1-19 | ◐ LIKELY ACTIVE |
| EIEssco Incorporated | Green Bay | WI | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| FRFelss Rotaform LLC | New Berlin | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
Formlabs, Inc - Wisconsin | Milwaukee | WI | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| FVFox Valley Tool and Die Plant 2 | Kaukauna | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| FVFox Valley Tool and Die Plant 3 | Kaukauna | WI | Machinery Manufacturing333514 | 1-19 | ◐ LIKELY ACTIVE |
| FWFranklin Water Treatment - Waunakee | Waunakee | WI | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| GGateway | Beloit | WI | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| GFGehl Foods, LLC. - Freistadt | Germantown | WI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| GGlendale | Milwaukee | WI | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| GVGranite Valley | New London | WI | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Custom Tool Manufacturing, Inc. | Peshtigo | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| GIGuhring Inc | Brookfield, WI | WI | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| HAHAINBUCH America Corporation Workholding Technology | Germantown | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| HTHammerHead Trenchless | Lake Mills | WI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| HSHatco Sturgeon Bay | Sturgeon Bay | WI | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| HCHeidelberg Central | Waukesha | WI | Machinery Manufacturing333244 | 20-99 | ◐ LIKELY ACTIVE |
| HPHorizon Performance Technologies LLC | Hartland | WI | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| HCHydro-Thermal Corp facility outside | Waukesha | WI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| IPIdeal Pase, A Massman Company | Madison | WI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| IEIndustrial Equipment Division - North | Appleton | WI | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| IEIndustrial Equipment Division - South | Appleton | WI | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |