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 Michigan8 FACILITIES
Listing 8 of 14: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Metal Flow Corporation | Holland | 100–499 | ACTIVE |
| Bohn Hydro Aluminum | Holland | — | LIKELY ACTIVE |
| Casting Technologies Company-michigan Casting Ctr | Fruitport | — | LIKELY ACTIVE |
| Eps Industries, INC | Ferrysburg | 20–99 | LIKELY ACTIVE |
| Benteler Automotive Holland | Holland | 100–499 | LIKELY ACTIVE |
| BuhlerPrince, Inc. | Holland | 100–499 | LIKELY ACTIVE |
| Christensen Fiberglass, LLC | Holland | — | LIKELY ACTIVE |
| Great Lakes Castings LLC | Holland | 20–99 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Michigan