Nonmetallic Mineral Product Manufacturing in California

NAICS 327 · CA

This register lists 2,872 facilities in California. The Bureau of Labor Statistics counted 1,263 establishments in the Nonmetallic Mineral Product Manufacturing industry in California during 2025. KITE PHARMA, located in El Segundo, employed 713 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in California750 FACILITIES

Listing 750 of 2,872: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
RMRHI Magnesita Santa Fe Springs	Santa Fe Springs	1–19	◐ LIKELY ACTIVE
RCRialto, CA	Rialto	1–19	◐ LIKELY ACTIVE
RPRialto Plant #24	Rialto	20–99	◐ LIKELY ACTIVE
RPRidgecrest Plant #38	Ridgecrest	1–19	◐ LIKELY ACTIVE
Riverside Manufacturing Facility	Riverside	20–99	◐ LIKELY ACTIVE
RPRiverside Plant	Riverside	20–99	◐ LIKELY ACTIVE
SPSACP Pavestone	Winters	20–99	◐ LIKELY ACTIVE
SCSan Clemente Plant #20	San Clemente	1–19	◐ LIKELY ACTIVE
SISandman Inc.	San Jose	100–499	◐ LIKELY ACTIVE
SJSan Jacinto Plant #6	San Jacinto	1–19	◐ LIKELY ACTIVE
SASanta Ana Plant #17	Santa Ana	1–19	◐ LIKELY ACTIVE
SCSEK Corporation / Kondo	Valencia	1–19	◐ LIKELY ACTIVE
SCSEK Corporation / Ouellette	Corona	1–19	◐ LIKELY ACTIVE
SDShafter Division	Shafter	20–99	◐ LIKELY ACTIVE
SGShafter Glass Mat	Shafter	20–99	◐ LIKELY ACTIVE
SSSika Santa Fe Springs	Santa Fe Springs	20–99	◐ LIKELY ACTIVE
SVSimi Valley #49	Simi Valley	1–19	◐ LIKELY ACTIVE
SRSoil Retention Systems, INC.	Carlsbad	20–99	◐ LIKELY ACTIVE
SCSound Crete Contractors	Escondido	20–99	◐ LIKELY ACTIVE
SPStanton Plant	Stanton	20–99	◐ LIKELY ACTIVE
TPThompson Pipe Group Precast Rialto	Rialto	100–499	◐ LIKELY ACTIVE
TRTNT Ready Mix	Truckee	20–99	◐ LIKELY ACTIVE
TUToto USA Ontario	Ontario	20–99	◐ LIKELY ACTIVE
TGTRULITE GLASS AND ALUMINUM SOLUTIONS LLC -City of Industry	City of Industry	20–99	◐ LIKELY ACTIVE
TRTulare Ready Mix Plant	Tulare	1–19	◐ LIKELY ACTIVE
UCUtility Concrete Products - Littlerock (Palmdale) California	Littlerock	1–19	◐ LIKELY ACTIVE
VPVernon Plant #15	Los Angeles	1–19	◐ LIKELY ACTIVE
VPVictorville Plant #42	Victorville	20–99	◐ LIKELY ACTIVE
VRViking Ready Mix/Shirk	Visalia	20–99	◐ LIKELY ACTIVE
WCWestlake Corona	Corona	20–99	◐ LIKELY ACTIVE
WCWhited Cemetery Services	Menifee	20–99	◐ LIKELY ACTIVE
AIAdmixtures INC.	Baldwin Park	1–19	◇ UNVERIFIED
ARAlpine Ready Mix	Lebec	1–19	◇ UNVERIFIED
ASAluminum Sash & Door CO INC Dba Met-tec Shower	North Hollywood	1–19	◇ UNVERIFIED
APAmerican Precast Concrete, INC.	El Monte	1–19	◇ UNVERIFIED
AIAquarium Industrial Inc.	Chino	1–19	◇ UNVERIFIED
ATArrow Transit Mix	Lancaster	20–99	◇ UNVERIFIED
ATAuburn Tile	Ontario	1–19	◇ UNVERIFIED
BBedrosians	Anaheim	—	◇ UNVERIFIED
BCBest Concrete Steps INC	San Leandro	1–19	◇ UNVERIFIED
BTBlock Tops, INC.	Sacramento	—	◇ UNVERIFIED
BABuff and Shine Mfg	Compton	20–99	◇ UNVERIFIED
CPCalifornia Pottery & Tile Works INC	Los Angeles	20–99	◇ UNVERIFIED
CGChico Granite and Marbleworks	Chico	1–19	◇ UNVERIFIED
CPClark Pacific	Fontana	—	◇ UNVERIFIED
CSComposite Support And Solutions - Commercial, Inc.	San Pedro	1–19	◇ UNVERIFIED
CDCountertop Designs, INC.	Sacramento	20–99	◇ UNVERIFIED
CLCountis Laboratories	Grass Valley	1–19	◇ UNVERIFIED
DSDemtech Services INC	Diamond Springs	20–99	◇ UNVERIFIED
DRDocumotion Research INC.	Santa Ana	—	◇ UNVERIFIED

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