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

Plants in California393 FACILITIES

Listing 393 of 901: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Above All Cnc, INC.	Goleta	—	● ACTIVE
Aci Alloys, INC	San Jose	—	● ACTIVE
A & D Precision Manufacturing, INC.	Anaheim	1–19	● ACTIVE
Advanced Structural Technologies, INC.	Oxnard	100–499	● ACTIVE
Alloy Die Casting CO.	Buena Park	—	● ACTIVE
Aluminum Die Casting Company, INC.	Jurupa Valley	20–99	● ACTIVE
A & M Engineering, INC.	Irwindale	20–99	● ACTIVE
Aurora Casting & Engineering, INC.	Santa Paula	20–99	● ACTIVE
BIBrown-pacific, INC.	Santa Fe Springs	20–99	● ACTIVE
Buddy Bar Casting, LLC	South Gate	100–499	● ACTIVE
California Fine Wire CO.	Grover Beach	20–99	● ACTIVE
California Screw Products CORP	Paramount	20–99	● ACTIVE
Carlton Forge Works	Paramount	100–499	● ACTIVE
Catalina Cylinders, INC.	Garden Grove	20–99	● ACTIVE
Concorde Battery Corporation	West Covina	20–99	● ACTIVE
Dameron Alloy Foundries	Cypress	1–19	● ACTIVE
DDD. D. Wire Co., INC.	Temple City	20–99	● ACTIVE
Delta Group Electronics INC	San Diego	20–99	● ACTIVE
Douglass Truck Bodies INC	Bakersfield	100–499	● ACTIVE
Electro Adapter INC	Chatsworth	20–99	● ACTIVE
Gc International, INC.	Camarillo	20–99	● ACTIVE
GFGeneral Foundry Service CORP	San Leandro	20–99	● ACTIVE
Griswold Industries	Costa Mesa	100–499	● ACTIVE
Heraeus Precious Metals North America LLC	Santa Fe Springs	100–499	● ACTIVE
Hughes Bros., Aircrafters, INC.	South Gate	—	● ACTIVE
Hyatt Die Cast and Engineering Corporation - South	Cypress	100–499	● ACTIVE
Interconnect Solutions CO LLC	Fountain Valley	100–499	● ACTIVE
Karan and Associates, INC	Fontana	1–19	● ACTIVE
Kittyhawk INC	Garden Grove	20–99	● ACTIVE
Kuprion, INC.	San Jose	20–99	● ACTIVE
MPMdc Precision LLC	Hayward	100–499	● ACTIVE
Miller Castings INC	Whittier	100–499	● ACTIVE
Morgan Advanced Ceramics, INC.	Hayward	100–499	● ACTIVE
Mws Precision Wire Industries, INC.	Oxnard	20–99	● ACTIVE
Parmatech Corporation	Petaluma	20–99	● ACTIVE
Pcc Rollmet, INC	Irvine	—	● ACTIVE
PSPcc Structurals - San Leandro	San Leandro	100–499	● ACTIVE
PKP Kay Metal INC	Los Angeles	—	● ACTIVE
R. Kern Engineering & Manufacturing CORP.	Chino	20–99	● ACTIVE
Roscoe Moss Manufacturing CO	Los Angeles	100–499	● ACTIVE
SASamtech Automotive Usa, INC.	Carson	20–99	● ACTIVE
Sea Shield Marine Products, INC.	Walnut	20–99	● ACTIVE
Senior Aerospace Ssp	Burbank	500+	● ACTIVE
Shultz Steel LLC	South Gate	100–499	● ACTIVE
SStadco	Los Angeles	20–99	● ACTIVE
Taurus Fabrication, INC	Grass Valley	20–99	● ACTIVE
TLTechni-cast LLC	South Gate	20–99	● ACTIVE
TITst INC	Fontana	100–499	● ACTIVE
UDUltraviolet Devices Incorporated	Valencia	20–99	● ACTIVE
Valimet INC	Stockton	—	● ACTIVE

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