Primary Metal Manufacturing in California
NAICS 331 · CA
This register lists 901 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 California12 FACILITIES
Listing 12 of 24: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Advanced Structural Technologies, INC. | Oxnard | 100–499 | ACTIVE |
| Aurora Casting & Engineering, INC. | Santa Paula | 20–99 | ACTIVE |
| Gc International, INC. | Camarillo | 20–99 | ACTIVE |
| Mws Precision Wire Industries, INC. | Oxnard | 20–99 | ACTIVE |
| Pac Foundries, INC. | Port Hueneme | — | ACTIVE |
| Sessa Manufacturing & Welding | Ventura | — | ACTIVE |
| Carpenter Technology Dba Mb Calram LLC | Camarillo | — | UNVERIFIED |
| Ricoh Printing Systems America INC | Simi Valley | — | UNVERIFIED |
| Supra Alloys, LLC | Camarillo | — | UNVERIFIED |
| Virgils Auto Body | Newbury Park | — | UNVERIFIED |
| American Alupack Industries LLC | Oxnard | — | UNVERIFIED |
| Masters in Metal, Inc | Oxnard | 1–19 | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in California