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
HPHarbor Pipe and Steel INC	Riverside	100–499	◐ LIKELY ACTIVE
HIHastings Irrigation Pipe Co - Madera Location	Madera	1–19	◐ LIKELY ACTIVE
ICIndustrial Container Services	Roseville	20–99	◐ LIKELY ACTIVE
ICInfinity Contacts, INC.	Rancho Cucamonga	—	▲ REPORTED CLOSED
IItalee	Los Angeles	20–99	◐ LIKELY ACTIVE
JBJ & B Enterprises	Santa Clara	—	◐ LIKELY ACTIVE
MAMagnesium Alloy Product CO	Compton	—	◐ LIKELY ACTIVE
MAMerit Aluminum Inc.	Corona	100–499	◐ LIKELY ACTIVE
MFMerit Foundry	Adelanto	20–99	◐ LIKELY ACTIVE
RIRasirc INC	San Diego	20–99	◐ LIKELY ACTIVE
RIRasirc INC	San Diego	20–99	◐ LIKELY ACTIVE
SVSalinas Valley Solid Waste Authority Hhw Collection Facility	Salinas	—	◐ LIKELY ACTIVE
SASierra Aluminum- Finishing	Fontana	100–499	◐ LIKELY ACTIVE
SSSpecialty Steel Products, INC.	San Diego	1–19	◐ LIKELY ACTIVE
SISurfacemode, INC	San Diego	—	◐ LIKELY ACTIVE
SMSynergy Manufacturing Inc.	San Luis Obispo	20–99	◐ LIKELY ACTIVE
TAThales Avionics INC CA	Irvine	100–499	◐ LIKELY ACTIVE
WSWit Sales and Refining	San Jose	—	◐ LIKELY ACTIVE
AFAjax Forge Company	Vernon	—	◐ LIKELY ACTIVE
ARAll-met Recycling INC	Anaheim	—	◐ LIKELY ACTIVE
Aluminum Precision Products INC	Santa Ana	—	◐ LIKELY ACTIVE
Aluminum Precision Products INC	Santa Ana	—	◐ LIKELY ACTIVE
ABArrowhead Brass and Plumbing, LLC	Los Angeles	20–99	◐ LIKELY ACTIVE
BSBarnmaster Supply LLC Dba Marnmaster	Ontario	—	◐ LIKELY ACTIVE
CPCalifornia Pipe Fabricators	Dixon	1–19	◐ LIKELY ACTIVE
CPClamp-swing Pricing CO INC	Oakland	1–19	◐ LIKELY ACTIVE
DHDon Hoy Company INC	Oakdale	1–19	◐ LIKELY ACTIVE
EFEdelbrock Foundry CORP	San Jacinto	—	◐ LIKELY ACTIVE
ETExide Technologies	Los Angeles	—	◐ LIKELY ACTIVE
HIHannibal Industries INC	Los Angeles	—	◐ LIKELY ACTIVE
LRLock Ridge Tool Company INC	Upland	20–99	◐ LIKELY ACTIVE
NSNet Shapes INC	Ontario	—	◐ LIKELY ACTIVE
PTPacific Toll Processing INC	Carson	20–99	◐ LIKELY ACTIVE
PWPrime Wheel	Gardena	—	◐ LIKELY ACTIVE
PCPro Cast Industries	Paramount	—	◐ LIKELY ACTIVE
RSRegional Steel CORP	Fontana	—	◐ LIKELY ACTIVE
SESapa Extruder, INC	City of Industry	—	◐ LIKELY ACTIVE
SASierra Aluminum Company	Fontana	—	◐ LIKELY ACTIVE
SSSimpson Strong Tie Company INC	Pleasanton	500+	◐ LIKELY ACTIVE
SMStrategic Materials Corporation	South Gate	—	◐ LIKELY ACTIVE
TITeledyne Instruments - Analytical Instruments	City of Industry	—	◐ LIKELY ACTIVE
TITree Island Steel Dba Tree Island Wire USA INC	San Bernardino	20–99	◐ LIKELY ACTIVE
USUnited States Pipe and Foundry Company Dba U.s. Pi	Union City	—	◐ LIKELY ACTIVE
WTWire Tech INC	Commerce	—	◐ LIKELY ACTIVE
2S2222 Sinclair Owner, LP	Stockton	—	◇ UNVERIFIED
3F3v Fastners CO INC	Corona	—	◇ UNVERIFIED
APAdvanced Pattern and Mold	Ontario	—	◇ UNVERIFIED
AWAlpha Waveguide CO	El Segundo	—	◇ UNVERIFIED
AAAlum Alloy CO INC	Ontario	—	◇ UNVERIFIED
ABAmerican Builders & Contractors Supply CO INC Dba American Construction Metals	Lodi	—	◇ UNVERIFIED

Search all 901 facilities