 Maynard Steel Casting CO | Milwaukee | 100–499 | ● ACTIVE |
 Regent Die & Tool Co, INC | Milwaukee | 20–99 | ● ACTIVE |
| LILucas-milhaupt, INC. | Cudahy | 100–499 | ● ACTIVE |
 Milwaukee Precision Casting INC | Milwaukee | — | ● ACTIVE |
 Steele Solutions INC | South Milwaukee | — | ● ACTIVE |
| BABadger Alloys | Milwaukee | 100–499 | ◐ LIKELY ACTIVE |
| BCBlast Cleaning Technologies | West Allis | 100–499 | ◐ LIKELY ACTIVE |
| RIRexnord Industries LLC Gear Group | Milwaukee | — | ◐ LIKELY ACTIVE |
| SLSignicast LLC - Brown Deer | Milwaukee | 100–499 | ◐ LIKELY ACTIVE |
| ADAdvance Die Cast LLC | Milwaukee | 20–99 | ◐ LIKELY ACTIVE |
| AEAppleton Electric LLC | South Milwaukee | — | ◐ LIKELY ACTIVE |
| CWCharter Wire, LLC | Milwaukee | 100–499 | ◐ LIKELY ACTIVE |
| GLGrede LLC - Liberty | Wauwatosa | — | ◐ LIKELY ACTIVE |
 Stainless Foundry & Engineering INC | Milwaukee | — | ◐ LIKELY ACTIVE |
| VGVulcan Global Manufacturing Solutions INC | Milwaukee | — | ◐ LIKELY ACTIVE |
| CFChicago Faucets-milwaukee Plant | Milwaukee | — | ◇ UNVERIFIED |
| SSStrattec Security CORP | Glendale | — | ◇ UNVERIFIED |
| AIAura Ii INC | Milwaukee | — | ◐ LIKELY ACTIVE |
| BCBct Cast Products LLC | West Allis | 20–99 | ◐ LIKELY ACTIVE |
| MFMid-City Foundry Co. - Milwaukee Division | Milwaukee | 20–99 | ◐ LIKELY ACTIVE |
| MFMilwaukee Forgetech INC. | Milwaukee | — | ◐ LIKELY ACTIVE |
| NCNucor Cold Finish Wisconsin | Oak Creek | 20–99 | ◐ LIKELY ACTIVE |
| AMAmpco Metal Manufacturing INC | Milwaukee | — | ◇ UNVERIFIED |
| CWCharter Wire Division CO | Milwaukee | — | ◇ UNVERIFIED |
| DMDiversified Machine Milwaukee LLC | Milwaukee | — | ◇ UNVERIFIED |
| KIKramer International | Milwaukee | — | ◇ UNVERIFIED |
| MTMetal Technologies, Inc.-west Allis Duct | Milwaukee | — | ◇ UNVERIFIED |
| MGMilwaukee Gray Iron, LLC | West Allis | — | ◇ UNVERIFIED |
| MCMotor Castings CO | Milwaukee | — | ◇ UNVERIFIED |
| NCNucor Cold Finish Wisconsin INC | Oak Creek | — | ◇ UNVERIFIED |
| SWSteel Warehouse of Milwaukee | Oak Creek | — | ◇ UNVERIFIED |
| SDStroh Die Casting CO INC | Milwaukee | — | ◇ UNVERIFIED |
| SCSupreme Casting, INC. | Milwaukee | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap | Milwaukee | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap, LLC | Milwaukee | — | ◇ UNVERIFIED |
| VMVilter Manufacturing Corporation - Milwaukee | Milwaukee | — | ◇ UNVERIFIED |
| VGVulcan Global Manufacturing Solutions INC | Milwaukee | — | ◇ UNVERIFIED |
| ADAfi Direct Service INC | Oak Creek | — | ◐ LIKELY ACTIVE |
| BABadger Alloys- Machine shop | Milwaukee | 1–19 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Pattern Shop | Milwaukee | 1–19 | ◐ LIKELY ACTIVE |
| CACentrifugal Acquisition Corporation, INC. | Milwaukee | — | ◇ UNVERIFIED |
| AFAelco Foundries INC | Milwaukee | — | ◇ UNVERIFIED |
| ASAllied Smelting | West Allis | — | ◇ UNVERIFIED |
| CRCimco Recycling - Dewey Pl Plant | Milwaukee | — | ◇ UNVERIFIED |
| EEEgs Electrical Group | South Milwaukee | — | ◇ UNVERIFIED |
| EIEmerson Industrial Automation USA LLC | South Milwaukee | — | ◇ UNVERIFIED |
| GFGrede Foundries Inc-milwaukee Steel Division | Milwaukee | — | ◇ UNVERIFIED |
| ICIps/stanwood Corporation | South Milwaukee | — | ◇ UNVERIFIED |
| KCKeshar Casting LLC | Milwaukee | — | ◇ UNVERIFIED |
