Primary Metal Manufacturing in Ohio
NAICS 331 · OH
The register lists 700 facilities in Ohio. According to the Bureau of Labor Statistics, 456 establishments in Ohio operated in the Primary Metal Manufacturing industry 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 Ohio13 FACILITIES
Listing 13 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 |
|---|---|---|---|
| The Worthington Steel Company | Columbus | — | ACTIVE |
| Worthington Steel CO | Columbus | 100–499 | LIKELY ACTIVE |
| Isg Columbus Coatings | Columbus | — | LIKELY ACTIVE |
| I H Schlezinger INC | Columbus | 20–99 | UNVERIFIED |
| Central Aluminum Company | Columbus | — | UNVERIFIED |
| Columbus Steel Castings | Columbus | — | UNVERIFIED |
| Costco Wholesale | Columbus | — | UNVERIFIED |
| Funk Finecast INC | Columbus | — | UNVERIFIED |
| General Casting CO Poulton Div | Columbus | — | UNVERIFIED |
| Harry Masser CO INC | Columbus | — | UNVERIFIED |
| Mark Gray Enterprises | Columbus | — | UNVERIFIED |
| Unico Alloys INC | Columbus | — | UNVERIFIED |
| Worthington Steel Technical Services | Columbus | 20–99 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Ohio