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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

Biggest counties

Los Angeles309San Bernardino107Orange75Alameda62Riverside55San Diego53Santa Clara42Ventura24

Biggest cities

Plants in California40 FACILITIES

Listing 40 of 75: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
A & D Precision Manufacturing, INC.Anaheim1–19 ACTIVE
Alloy Die Casting CO.Buena Park— ACTIVE
Catalina Cylinders, INC.Garden Grove20–99 ACTIVE
Dameron Alloy FoundriesCypress1–19 ACTIVE
Griswold IndustriesCosta Mesa100–499 ACTIVE
Hyatt Die Cast and Engineering Corporation - SouthCypress100–499 ACTIVE
Interconnect Solutions CO LLCFountain Valley100–499 ACTIVE
Kittyhawk INCGarden Grove20–99 ACTIVE
Pcc Rollmet, INCIrvine— ACTIVE
Elite Machining & Engineering Services LLCYorba Linda— ACTIVE
Epson America INCLos Alamitos— ACTIVE
Bestwill CorporationIrvine— ACTIVE
Komax Systems, INC.Huntington Beach— ACTIVE
New Source CORPFullerton— ACTIVE
Dynacast, INC.Lake Forest100–499 LIKELY ACTIVE
Dynalloy, INC.Irvine20–99 LIKELY ACTIVE
Ads Gold INCAnaheim20–99 LIKELY ACTIVE
Brass Tech INCSanta Ana— LIKELY ACTIVE
Johnson Precision ProductsSanta Ana20–99 UNVERIFIED
Metal-fab Services Industry, INCAnaheim— LIKELY ACTIVE
Mcgraw Manufacturing INCAnaheim20–99 UNVERIFIED
Thales Avionics INC CAIrvine100–499 LIKELY ACTIVE
All-met Recycling INCAnaheim— LIKELY ACTIVE
Aluminum Precision Products INCSanta Ana— LIKELY ACTIVE
Aluminum Precision Products INCSanta Ana— LIKELY ACTIVE
Amerimax Building Products, INCAnaheim— UNVERIFIED
Anaheim Extrusion COAnaheim— UNVERIFIED
Barcel/cdt INCIrvine— UNVERIFIED
Ceradyne INC 3m CompanyIrvine— UNVERIFIED
Cham Cal EngineeringGarden Grove— UNVERIFIED
Interstate EngineeringAnaheim— UNVERIFIED
Laminating Company of AmericaGarden Grove— UNVERIFIED
Litton Sys INC Kester SolderAnaheim— UNVERIFIED
Ultra Wheel COBuena Park— UNVERIFIED
Weartech International INCAnaheim— REPORTED CLOSED
Aluminum Welding ServicesFullerton1–19 UNVERIFIED
Electrolurgy Manufacturing, INC.Santa Ana100–499 UNVERIFIED
Streuter Technologies INCSan Clemente1–19 UNVERIFIED
Isi Detention Contracting Group INC.Orange— REPORTED CLOSED
Quantum Fuel Systems Technologies INCLake Forest— REPORTED CLOSED

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All primary metal manufacturing nationwide · All manufacturing in California