| OMOrchid Monroe LLC | Monroe | WI | Primary Metal Manufacturing331521 | 20-99 | ◇ UNVERIFIED |
| MSMid States Aluminum CORP | Fond Du Lac | WI | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| AWAlcoa Wheel Products | Beloit | WI | Primary Metal Manufacturing331520 | — | ◇ UNVERIFIED |
| AMAmpco Metal Manufacturing INC | Milwaukee | WI | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| BMBassett Mechanical INC | Kaukauna | WI | Primary Metal Manufacturing331200 | — | ◇ UNVERIFIED |
| BIBrillion Iron Works, INC. | Brillion | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| CACentrifugal Acquisition Corporation, INC. | Milwaukee | WI | Primary Metal Manufacturing331523 | 1-19 | ◇ UNVERIFIED |
| CEChart Energy & Chemical INC | La Crosse | WI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CWCharter Wire Division CO | Milwaukee | WI | Primary Metal Manufacturing331220 | — | ◇ UNVERIFIED |
| CIChrist Iron Works, INC. | Kenosha | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CACnh America LLC | Racine | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| CICrucible INC Trent Tube Div Plt 1 | East Troy | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DMDiversified Machine Milwaukee LLC | Milwaukee | WI | Primary Metal Manufacturing331520 | — | ◇ UNVERIFIED |
| GRGleason Roll Off & Recycling INC | Racine | WI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| GBGrede - Berlin | Berlin | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| HIHufcor, INC. | Janesville | WI | Primary Metal Manufacturing331200 | — | ◇ UNVERIFIED |
| ICIntermet CORP - Racine Plt (former) | Sturtevant | WI | Primary Metal Manufacturing331520 | — | ◇ UNVERIFIED |
| KAKoenig and Vitts Mirro Plnt 5 | Manitowoc | WI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| KIKramer International | Milwaukee | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| MTMetal Technologies, Inc.-west Allis Duct | Milwaukee | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| MGMilwaukee Gray Iron, LLC | West Allis | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| MCMotor Castings CO | Milwaukee | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| PIPace Industries - Mole Creek | Grafton | WI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| POPhillips-medisize - Origen | Menomonie | WI | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| RSRacine Steel Castings Div | Racine | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| RAReal Alloy Recycling INC - Racine Plant | Mount Pleasant | WI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| RSRiver Steel INC | La Crosse | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SMSparta Mfg CO INC | Sparta | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| SDStroh Die Casting CO INC | Milwaukee | WI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| TVThe Vollrath Company LLC | Kewaunee | WI | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap | Milwaukee | WI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap, LLC | Milwaukee | WI | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| VPValley Plating of Green Bay LLC | Green Bay | WI | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| VMVilter Manufacturing Corporation - Milwaukee | Milwaukee | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
 Waupaca Foundry INC Warehouse | Waupaca | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WMWildeck Mezzanines INC | Waukesha | WI | Primary Metal Manufacturing331200 | — | ◇ UNVERIFIED |
| WWWm Waste INC | Union Grove | WI | Primary Metal Manufacturing331490 | — | ◇ UNVERIFIED |
| ACAluma Cast Foundry, Inc. | Appleton | WI | Primary Metal Manufacturing331512 | 1-19 | ◇ UNVERIFIED |
| AGAustin Gray Iron Foundry | Sheboygan | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| EAElkcast Aluminum | Elkhorn | WI | Primary Metal Manufacturing331524 | 1-19 | ◇ UNVERIFIED |
| IIISI, Inc. | Green bay | WI | Primary Metal Manufacturing331513 | 20-99 | ◇ UNVERIFIED |
| KCKeshar Casting LLC | Milwaukee | WI | Primary Metal Manufacturing331410 | 1-19 | ◇ UNVERIFIED |
| KFKiel Foundry CO. INC. | Kiel | WI | Primary Metal Manufacturing331511 | 1-19 | ◇ UNVERIFIED |
| MTMetalcraft Tool & Die INC. | Ixonia | WI | Primary Metal Manufacturing331210 | 1-19 | ◇ UNVERIFIED |
| M4Milwaukee - 404 S 116th St | Milwaukee | WI | Primary Metal Manufacturing331511 | 20-99 | ◇ UNVERIFIED |
| NBNeenah Brass & Aluminum Foundry CO | Neenah | WI | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| SSSouthern Stretch Forming & Fabrication | Wausau | WI | Primary Metal Manufacturing331318 | 1-19 | ◇ UNVERIFIED |
| TLThree Lakes Steel Spittlemeister Service, LLC | Three Lakes | WI | Primary Metal Manufacturing331222 | 1-19 | ◇ UNVERIFIED |
| TFTomahawk Foundary, INC | Rice Lake | WI | Primary Metal Manufacturing331511 | 20-99 | ◇ UNVERIFIED |
| WMWisconsin Metal Tech, Inc. | Richfield | WI | Primary Metal Manufacturing331210 | 20-99 | ◇ UNVERIFIED |
