Primary Metal Manufacturing in Michigan
NAICS 331 · MI
This register lists 535 facilities in Michigan. The Bureau of Labor Statistics counted 384 establishments in the Primary Metal Manufacturing industry in Michigan in 2025. Howmet Aerospace Whitehall Operations - Whitehall Castings Plant 1 and 3, located in Whitehall, employed 1,240 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Michigan5 FACILITIES
Listing 5 of 10: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Dedicated Acquisition | Warren | 1–19 | UNVERIFIED |
| Invecast Corporation | Warren | — | UNVERIFIED |
| Wolverine Die Cast-hoover Rd | Warren | — | UNVERIFIED |
| Bar Processing Warren | Warren | 20–99 | LIKELY ACTIVE |
| Niagara LaSalle Corporation | Warren | 20–99 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Michigan