| BLBeamaco, LLC | Manitowoc | 20–99 | ◇ UNVERIFIED |
| BBBergamot Brass Works INC | Delavan | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | New Berlin | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | Racine | — | ◇ UNVERIFIED |
| BHBroadwind Heavy Industries | Clintonville | — | ◇ UNVERIFIED |
| BCBway Corporation-midwest Aerosol Plant | Sturtevant | — | ◇ UNVERIFIED |
| CICalibre INC | Grafton | — | ◇ UNVERIFIED |
| CICalibre, INC. | Grafton | — | ◇ UNVERIFIED |
| CTCarlisle Tire & Wheel | Slinger | — | ◇ UNVERIFIED |
| CACentrifugal Acquisition Corporation, INC. | Milwaukee | 1–19 | ◇ UNVERIFIED |
| CPChilton Plating | Chilton | — | ◇ UNVERIFIED |
| CSClcm St Francis | Saint Francis | — | ◇ UNVERIFIED |
| CMColumbus Manufacturing, LLC | Columbus | — | ◇ UNVERIFIED |
| CFCrystal Finishing Systems INC Facility 8 | River Falls | — | ◇ UNVERIFIED |
| CFCrystal Finishing Systens INC Facility 3 | Schofield | — | ◇ UNVERIFIED |
| CECummins Emission Solutions Wautoma | Wautoma | — | ◇ UNVERIFIED |
| DSDana Sealing Products, LLC | Milwaukee | — | ◇ UNVERIFIED |
| DMDane Mfg CO INC | Dane | 20–99 | ◇ UNVERIFIED |
| DTDiverse Tooling, INC. | Plymouth | 1–19 | ◇ UNVERIFIED |
| EPE&h Premier Machine, INC. | Luxemburg | 1–19 | ◇ UNVERIFIED |
| EIElectro-plating INC | Fond Du Lac | — | ◇ UNVERIFIED |
| ECEutectic Corporation | Menomonee Falls | — | ◇ UNVERIFIED |
| FTFormrite Tube Company | Two Rivers | — | ◇ UNVERIFIED |
| FLFpm LLC | Milwaukee | — | ◇ UNVERIFIED |
| GSGkn Sinter Metals | Germantown | — | ◇ UNVERIFIED |
Greenheck Fan CORP | Schofield | — | ◇ UNVERIFIED |
| GIGuhring INC | Brookfield | — | ◇ UNVERIFIED |
| HCHammerblow Corporation | Wausau | — | ◇ UNVERIFIED |
| HAHealy Awards INC | Menomonee Falls | — | ◇ UNVERIFIED |
| HIHelgesen Industries INC | Hartford | — | ◇ UNVERIFIED |
| HAHowell Ave Milwaukee Distribution Center | Oak Creek | — | ◇ UNVERIFIED |
Husco International INC | Waukesha | — | ◇ UNVERIFIED |
| INIvi North INC Plant 3 | Greenville | — | ◇ UNVERIFIED |
| JLJ L Di Coat CO INC | Sheboygan | — | ◇ UNVERIFIED |
| MMMacfab Metal Products | Beaver Dam | — | ◇ UNVERIFIED |
| MLMaysteel LLC - Mayville Division | Mayville | — | ◇ UNVERIFIED |
| MEMayville Engineering Company INC | Neillsville | — | ◇ UNVERIFIED |
| MMMetso Minerals | Milwaukee | — | ◇ UNVERIFIED |
| MCMilwaukee County Transit System-flt Maint | Milwaukee | — | ◇ UNVERIFIED |
Milwaukee Valve CO INC | Milwaukee | — | ◇ UNVERIFIED |
| MWMonarch Ware INC | Algoma | — | ◇ UNVERIFIED |
| NPNickelson Plastics INC | Osceola | — | ◇ UNVERIFIED |
| NENorthern Engineering Company LLC | Superior | — | ◇ UNVERIFIED |
| NMNorthern Metal Fab INC | Baldwin | — | ◇ UNVERIFIED |
| NENyhus Enterprises LLC | Chippewa Falls | 1–19 | ◇ UNVERIFIED |
| OFOberlin Filter Company | Pewaukee | — | ◇ UNVERIFIED |
| OFOem Fabricators INC | Neillsville | — | ◇ UNVERIFIED |
| PIPacal Industries LLC | La Crosse | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Refrigerating Specialties Di | Mauston | — | ◇ UNVERIFIED |
| PHP & H Mining Equipment | Milwaukee | — | ◇ UNVERIFIED |