American Structural Metals INC | Somerset | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
| ACArntzen Corporation | Sharon | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Johnson Brass & Machine Foundry INC | Saukville | WI | Primary Metal Manufacturing331525 | 20-99 | ● ACTIVE |
| MIMatalco INC | Wisconsin Rapids | WI | Primary Metal Manufacturing331314 | 20-99 | ● ACTIVE |
Plymouth Tube Company | East Troy | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Regent Die & Tool Co, INC | Milwaukee | WI | Primary Metal Manufacturing331111 | 20-99 | ● ACTIVE |
Shelmet Precision Casting CO. INC. | Wild Rose | WI | Primary Metal Manufacturing331512 | 20-99 | ● ACTIVE |
| VMVoeller Mixers | Port Washington | WI | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
Washburn Iron Works INC | Washburn | WI | Primary Metal Manufacturing331511 | 20-99 | ● ACTIVE |
| ASAccurate Specialties INC | Waukesha | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ADAdvance Die Cast LLC | Milwaukee | WI | Primary Metal Manufacturing331310 | 20-99 | ◐ LIKELY ACTIVE |
| AIAgra Industries INC | Merrill | WI | Primary Metal Manufacturing331200 | 20-99 | ◐ LIKELY ACTIVE |
| BSBrickham Stamping | Oshkosh | WI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| DPDe Pere Foundry INC | De Pere | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| KFKirsh Foundry INC | Beaver Dam | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-City Foundry Co. - Milwaukee Division | Milwaukee | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| PAPremier Aluminum INC | Racine | WI | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| SCSt. Croix Castings, INC. | Woodville | WI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| TCTorrance Casting INC | La Crosse | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| AMAllied Machinery - Richland LLC | Richland Center | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| BMBremer Manufacturing | Elkhart Lake | WI | Primary Metal Manufacturing331310 | 20-99 | ◐ LIKELY ACTIVE |
| KSKenosha Steel Castings | Kenosha | WI | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| NANorstar Aluminum Mold INC | Cedarburg | WI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| PCPortage Casting & Mold INC | Portage | WI | Primary Metal Manufacturing331520 | 20-99 | ◐ LIKELY ACTIVE |
| AFAluminum Foundry of Wisconsin, INC. | Lannon | WI | Primary Metal Manufacturing331520 | 20-99 | ◐ LIKELY ACTIVE |
| FRFall River Die Cast | Germantown | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-city Foundry CORP - United Div | Grafton | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| PIPRE-heat, Inc. | Oostburg | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| VPVoestalpine Precision Strip LLC | Pleasant Prairie | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| OMOrchid Monroe LLC | Monroe | WI | Primary Metal Manufacturing331521 | 20-99 | ◇ UNVERIFIED |
| ICInvest Cast Inc - Wisconsin | Osceola | WI | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| DPDurex Products INC | Luck | WI | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| RMRoloff Mfg CORP | Kaukauna | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| BCBct Cast Products LLC | West Allis | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| GSGKN Sinter Metals- Tool & Die | Germantown | WI | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| NCNucor Cold Finish Wisconsin | Oak Creek | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| SRSpecialty Rolled Metals LLC Beaver Dam WI | Beaver Dam | WI | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| RMRumar Mfg CORP | Mayville | WI | Primary Metal Manufacturing331200 | 20-99 | ◐ LIKELY ACTIVE |
| EC"4004 - Eau Claire Steel Plant" | Eau Claire | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| ATAllied Tube & Conduit DePere Wisconsin | DePere | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BWBadger Wire | Waukesha | WI | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| BFBerntsen Foundry Phelps Cast Location | Phelps | WI | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
Central Wire Inc. Fond Du Lac, WI | Fond Du Lac | WI | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| HMHixwood Metal LLC | Stanley | WI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndustrial Technologies Group ITG WakefieldWithee | Withee | WI | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| LFLaX Fabricating LTD - Westby WI | Westby | WI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation - North | Madison | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation South Plant/Corporate | Madison | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MMModern Manufacturing International | Wausau | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
Phillips-Medisize, LLC Magnesium Molding | Eau Claire | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |