| SMSparta Mfg CO INC | Sparta | — | ◇ UNVERIFIED |
| SPStainless Piping Specialists | Omro | — | ◇ UNVERIFIED |
| SWSteel Warehouse of Milwaukee | Oak Creek | — | ◇ UNVERIFIED |
| SDStroh Die Casting CO INC | Milwaukee | — | ◇ UNVERIFIED |
| SCSupreme Casting, INC. | Milwaukee | — | ◇ UNVERIFIED |
| TVThe Vollrath Company LLC | Kewaunee | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap | Milwaukee | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap, LLC | Milwaukee | — | ◇ UNVERIFIED |
| USUnited Stars INC | Beloit | — | ◇ UNVERIFIED |
| VPValley Plating of Green Bay LLC | Green Bay | — | ◇ UNVERIFIED |
| VMVilter Manufacturing Corporation - Milwaukee | Milwaukee | — | ◇ UNVERIFIED |
| VGVulcan Global Manufacturing Solutions INC | Milwaukee | — | ◇ UNVERIFIED |
Waupaca Foundry INC Warehouse | Waupaca | — | ◇ UNVERIFIED |
| WMWildeck Mezzanines INC | Waukesha | — | ◇ UNVERIFIED |
| WWWm Waste INC | Union Grove | — | ◇ UNVERIFIED |
| EC"4004 - Eau Claire Steel Plant" | Eau Claire | 20–99 | ◐ LIKELY ACTIVE |
| ADAfi Direct Service INC | Oak Creek | — | ◐ LIKELY ACTIVE |
| ATAllied Tube & Conduit DePere Wisconsin | De Pere | 20–99 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Machine shop | Milwaukee | 1–19 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Pattern Shop | Milwaukee | 1–19 | ◐ LIKELY ACTIVE |
| BWBadger Wire | Waukesha | 20–99 | ◐ LIKELY ACTIVE |
| BFBerntsen Foundry Phelps Cast Location | Phelps | 20–99 | ◐ LIKELY ACTIVE |
| BCBoyd Corporation Allenton, WI | Allenton | 20–99 | ◐ LIKELY ACTIVE |
Central Wire Inc. Fond Du Lac, WI | Fond Du Lac | 20–99 | ◐ LIKELY ACTIVE |
| EEvansville | Evansville | 1–19 | ◐ LIKELY ACTIVE |
| GPGateway Plant | Sheboygan | 500+ | ◐ LIKELY ACTIVE |
| GGrede | Reedsburg | 500+ | ◐ LIKELY ACTIVE |
| GWGrede Wisconsin Subsidiaries LLC Browntown | Browntown | 100–499 | ◐ LIKELY ACTIVE |
| HMHixwood Metal LLC | Stanley | 20–99 | ◐ LIKELY ACTIVE |
| ITIndustrial Technologies Group ITG WakefieldWithee | Withee | 20–99 | ◐ LIKELY ACTIVE |
| LFLaX Fabricating LTD - Westby WI | Westby | 20–99 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation - North | Madison | 20–99 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation South Plant/Corporate | Madison | 20–99 | ◐ LIKELY ACTIVE |
| MIMetaltek International, INC. | Watertown | — | ◐ LIKELY ACTIVE |
Meyer Utility Structures | Hager City | 100–499 | ◐ LIKELY ACTIVE |
| MMModern Manufacturing International | Wausau | 20–99 | ◐ LIKELY ACTIVE |
| NFNeenah Foundry Company - Neenah Operations | Neenah | 100–499 | ◐ LIKELY ACTIVE |
| PIPACE INDUSTRIES Grafton | Grafton | 100–499 | ◐ LIKELY ACTIVE |
Phillips-Medisize, LLC Magnesium Molding | Eau Claire | 20–99 | ◐ LIKELY ACTIVE |
| PCPowerbrace Corporation | Kenosha | 20–99 | ◐ LIKELY ACTIVE |
| RRathGibson | Janesville | 100–499 | ◐ LIKELY ACTIVE |
| SESigma Engineered Solutions - IC | Markesan | 20–99 | ◐ LIKELY ACTIVE |
| SSSteiger Steel & Fabricating | La Crosse | 1–19 | ◐ LIKELY ACTIVE |
| TPTaylor Plant | Sheboygan | 100–499 | ◐ LIKELY ACTIVE |
| VIValmet Inc Waukesha Progress | Waukesha | 20–99 | ◐ LIKELY ACTIVE |
| VIValmet Inc Waukesha Wilmont | Waukesha | 1–19 | ◐ LIKELY ACTIVE |
| WWaf | Manitowoc | 100–499 | ◐ LIKELY ACTIVE |
| WMWinsert Marinette | Marinette | 100–499 | ◐ LIKELY ACTIVE |
| WCWisconsin Cast Iron | Kohler | 100–499 | ◐ LIKELY ACTIVE |
| WCWisconsin Centrifugal Division | Waukesha | 100–499 | ◐ LIKELY ACTIVE |