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 Ohio8 FACILITIES
Listing 8 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 |
|---|---|---|---|
| Auris Noble LLC | Akron | 1–19 | ACTIVE |
| Tri-cast LTD | Akron | 20–99 | LIKELY ACTIVE |
| Akron Foundry Company | Akron | 500+ | LIKELY ACTIVE |
| King Model Company INC (1677011225) | Akron | — | LIKELY ACTIVE |
| Rotocast Technologies | Akron | 1–19 | LIKELY ACTIVE |
| Knapp Foundry Company INC (1677010014) | Akron | — | UNVERIFIED |
| MB Kit Systems LLC, dba Industrial Profile Systems | Akron | 20–99 | LIKELY ACTIVE |
| Richard's Fence Company | Akron | 20–99 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Ohio