Primary Metal Manufacturing in Ohio
NAICS 331 · OH
The register lists 697 facilities in Ohio. According to the Bureau of Labor Statistics, there were 456 establishments in the Primary Metal Manufacturing industry in Ohio in 2025. CLEVELAND-CLIFFS STEEL CORP, located in Middletown, employed 2,296 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Ohio10 FACILITIES
Listing 10 of 13: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Brt Extrusions INC | Niles | 100–499 | ACTIVE |
| Rmi Titanium CO (0278060189) | Niles | — | ACTIVE |
| Trumbull Foundry and Alloy INC | Niles | 20–99 | ACTIVE |
| Trumbull Foundry & Alloy | Niles | — | UNVERIFIED |
| Allegheny Rail Products/ Lb Foster CO | Niles | — | LIKELY ACTIVE |
| Wheatland Tube CO Niles Plant | Niles | — | LIKELY ACTIVE |
| Ohio Valley Aluminum C LLC Niles Facilit | Niles | — | UNVERIFIED |
| Niles Zekelman Industries | Niles | 20–99 | LIKELY ACTIVE |
| Phillips Manufacturing Niles | Niles | 20–99 | LIKELY ACTIVE |
| Trumbull Foundry and Alloy Henry Street | Niles | 1–19 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Ohio