Primary Metal Manufacturing in Wisconsin
NAICS 331 · WI
The register lists 293 facilities in Wisconsin. The Bureau of Labor Statistics counted 144 establishments in Wisconsin. WAUPACA FOUNDRY INC - PLANT 2 & 3, located in Waupaca, employed 864 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Wisconsin10 FACILITIES
Listing 10 of 12: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Eck Industries, INC. | Manitowoc | 100–499 | ACTIVE |
| Wisconsin Aluminum Foundry Company, INC. | Manitowoc | 500+ | ACTIVE |
| Manitowoc Grey Iron Foundry INC | Manitowoc | 1–19 | LIKELY ACTIVE |
| Skana Aluminum Company | Manitowoc | 100–499 | LIKELY ACTIVE |
| Formrite Companies INC. | Two Rivers | 100–499 | LIKELY ACTIVE |
| Heritage Aluminum and Brass | Valders | 1–19 | LIKELY ACTIVE |
| B&b Metals Processing CO INC | Newton | — | LIKELY ACTIVE |
| Koenig and Vitts Mirro Plnt 5 | Manitowoc | — | UNVERIFIED |
| Waf | Manitowoc | 100–499 | LIKELY ACTIVE |
| Kiel Foundry CO. INC. | Kiel | 1–19 | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Wisconsin