Primary Metal Manufacturing in California
NAICS 331 · CA
This register lists 902 facilities in California. The Bureau of Labor Statistics counted 474 establishments in California. CALIFORNIA STEEL INDUSTRIES, located in Fontana, employed 717 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in California6 FACILITIES
Listing 6 of 17: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Aci Alloys, INC | San Jose | — | ACTIVE |
| Kuprion, INC. | San Jose | 20–99 | ACTIVE |
| Acosta Sheet Metal Mfg INC | San Jose | 20–99 | LIKELY ACTIVE |
| Wit Sales and Refining | San Jose | — | LIKELY ACTIVE |
| Diagnostic X-ray INC | San Jose | — | UNVERIFIED |
| O&y Precision INC | San Jose | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in California