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 Wisconsin15 FACILITIES
Listing 15 of 21: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Metaltek International, INC. | Waukesha | 500+ | ACTIVE |
| Northern Stainless CORP | Pewaukee | — | ACTIVE |
| Accurate Specialties INC | Waukesha | 20–99 | LIKELY ACTIVE |
| Wenthe-davidson Engineering CO | New Berlin | 100–499 | LIKELY ACTIVE |
| Aluminum Foundry of Wisconsin, INC. | Lannon | 20–99 | LIKELY ACTIVE |
| Castalloy, INC. | Waukesha | — | LIKELY ACTIVE |
| Messer Cutting Systems INC | Menomonee Falls | 100–499 | LIKELY ACTIVE |
| Waukesha Foundry INC | Waukesha | — | LIKELY ACTIVE |
| Quality Castings CO | Waukesha | — | LIKELY ACTIVE |
| Valmet INC | Waukesha | — | LIKELY ACTIVE |
| Wildeck Mezzanines INC | Waukesha | — | UNVERIFIED |
| Badger Wire | Waukesha | 20–99 | LIKELY ACTIVE |
| Valmet Inc Waukesha Wilmont | Waukesha | 1–19 | LIKELY ACTIVE |
| Wisconsin Centrifugal Division | Waukesha | 100–499 | LIKELY ACTIVE |
| Renaissance Manufacturing Group, LLC | Waukesha | — | REPORTED CLOSED |
All primary metal manufacturing nationwide · All manufacturing in Wisconsin