Primary metals manufacturers in Wisconsin
Wisconsin has 135 primary metals establishments employing 15,035 people (Census, 2023), and EPA's ECHO database lists 145 active primary metals facilities in the state. By employment it is Wisconsin's number 13 manufacturing industry, and Wisconsin ranks number 8 among states for it.
- NAICS subsector
- 331
- Primary Metal Manufacturing
- Establishments
- 135
- Census 2023
- Employees
- 15,035
- Census 2023
- In EPA records
- 145
- With a page here
- 8
- Revised
- November 11, 2026
Primary metals factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Appleton Electric LLC | Iron Foundries | South Milwaukee |
| Charter Aarrowcast | Iron Foundries | Shawano |
| Charter Steel - Saukville | Iron and Steel Mills and Ferroalloy Manufacturing | Saukville |
| Eck Industries Inc | Aluminum Foundries (except Die-Casting) | Manitowoc |
| Grede LLC - Reedsburg Facility | Iron Foundries | Reedsburg |
| Neenah Foundry Co - Plants 2 and 3 | Iron Foundries | Neenah |
| Waupaca Foundry Inc - Plant 1 | Iron Foundries | Waupaca |
| Waupaca Foundry Inc - Plant 2 & 3 | Iron Foundries | Waupaca |
These are the Wisconsin primary metals facilities that report to EPA's Toxics Release Inventory. The other 137 in EPA records don't have a page yet.
What these factories make
- Iron Foundries (NAICS 331511): 6 facilities
- Aluminum Foundries (except Die-Casting) (NAICS 331524): 2 facilities
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110): 1 facility
- Nonferrous Metal Die-Casting Foundries (NAICS 331523): 1 facility
Where they cluster
Cities with the most active primary metals facilities in EPA records: Milwaukee (30), Waukesha (7), Waupaca (5), Sheboygan (5), Manitowoc (5).
New primary metals plants in Wisconsin
Primary metals manufacturing across the US. Everything made in Wisconsin.