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 Michigan372 FACILITIES
Listing 372 of 535: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Cb Marcellus Metalcasters INC | Plainwell | — | ACTIVE |
| Ccm Mfg LLC | Vanderbilt | — | ACTIVE |
| Diez Group LLC | Trenton | — | ACTIVE |
| Howmet Corporation | Whitehall | — | ACTIVE |
| Revex Technologies, INC. | Houghton | — | ACTIVE |
| Target Metal Blanking INC | New Boston | — | ACTIVE |
| Tpl LLC | West Bloomfield | — | ACTIVE |
| Asama Coldwater Manufacturing, INC. | Coldwater | 100–499 | LIKELY ACTIVE |
| Atlas Tube- Plymouth Plant | Plymouth | 20–99 | LIKELY ACTIVE |
| Cadillac Casting, INC (b2178) | Cadillac | 100–499 | LIKELY ACTIVE |
| Calhoun Fndy CO INC | Homer | 20–99 | LIKELY ACTIVE |
| Cannon Muskegon CORP | Muskegon | 100–499 | LIKELY ACTIVE |
| Cascade Die Casting / Great La Kes | Sparta | 100–499 | LIKELY ACTIVE |
| City Aluminum Foundry | Waterford | 20–99 | LIKELY ACTIVE |
| Cooper Foundry INC | Kalamazoo | 1–19 | LIKELY ACTIVE |
| Dundee Castings CO | Dundee | 20–99 | LIKELY ACTIVE |
| Dundee Products | Dundee | 20–99 | LIKELY ACTIVE |
| Flat Rock Metal INC | Flat Rock | 100–499 | LIKELY ACTIVE |
| General Motors LLC - Bay City | Bay City | 100–499 | LIKELY ACTIVE |
| Gerdau Special Steel North America | Jackson | 100–499 | LIKELY ACTIVE |
| Great Lakes Towers LLC | Monroe | 20–99 | LIKELY ACTIVE |
| Hoffmann Die Cast LLC | St. Joseph | 20–99 | LIKELY ACTIVE |
| International Casting CORP | New Baltimore | 1–19 | LIKELY ACTIVE |
| Kaiser Aluminum Fabricated Products LLC | Kalamazoo | 100–499 | LIKELY ACTIVE |
| Kent Foundry CO. | Greenville | 20–99 | LIKELY ACTIVE |
| Linn Products INC | Charlotte | 100–499 | LIKELY ACTIVE |
| Michigan Wheel CORP | Grand Rapids | 20–99 | LIKELY ACTIVE |
| Mnp CORP | Utica | 100–499 | LIKELY ACTIVE |
| New Gldc LLC | Muskegon | 20–99 | LIKELY ACTIVE |
| New Hudson CORP | New Hudson | 1–19 | LIKELY ACTIVE |
| Psg Grand Rapids (previously Blackmer, a Dover Co) | Grand Rapids | 100–499 | LIKELY ACTIVE |
| Real Alloy Specification LLC | Coldwater | 20–99 | LIKELY ACTIVE |
| Supreme Casting | Stevensville | 20–99 | LIKELY ACTIVE |
| Tri-way Manufacturing | Roseville | 1–19 | LIKELY ACTIVE |
| Windsor Machine & Stamping US LTD | Taylor | 20–99 | LIKELY ACTIVE |
| Worthington Specialty Processing | Jackson | 20–99 | LIKELY ACTIVE |
| Wyman-gordon Company Brighton Operations | Brighton | 100–499 | LIKELY ACTIVE |
| Arco Alloys CORP | Detroit | 1–19 | LIKELY ACTIVE |
| Century Foundry INC | Muskegon Hts | 20–99 | LIKELY ACTIVE |
| Gci Gokoh Coldwater INC | Coldwater | 20–99 | LIKELY ACTIVE |
| Great Lakes Casting | Ludington | 100–499 | LIKELY ACTIVE |
| Great Lakes X-cel | Niles | 20–99 | LIKELY ACTIVE |
| Hackett Brass Foundry Company | Detroit | 1–19 | LIKELY ACTIVE |
| Kenwal Pickling, LLC | Dearborn | 20–99 | LIKELY ACTIVE |
| Light Metals Corporation | Wyoming | 100–499 | LIKELY ACTIVE |
| New Products CORP | Benton Harbor | 20–99 | LIKELY ACTIVE |
| Non Ferrous Cast Alloys INC | Muskegon | 20–99 | LIKELY ACTIVE |
| Pioneer Foundry CO INC | Jackson | 1–19 | LIKELY ACTIVE |
| Sequoia Tool INC | Clinton Township | 20–99 | LIKELY ACTIVE |
| Steel Technologies INC | Canton | — | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Michigan