Nonmetallic Mineral Product Manufacturing in California

NAICS 327 · CA

California is home to Nonmetallic Mineral Product Manufacturing, industry NAICS code 327. The Bureau of Labor Statistics counted 1,291 establishments in California in 2024, with an annual payroll of about $2.5 billion. Listed in the register are 2,780 facilities in 532 cities across California as of 2026.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in California35 FACILITIES

Facility	City	Employees	Status
TSThermal Structures, INC	Corona	100–499	● ACTIVE
Acker Stone Industries, INC	Corona	—	◐ LIKELY ACTIVE
CPCorona Plant 30	Corona	20–99	◐ LIKELY ACTIVE
QCQuikrete - Corona, Ca Plant	Corona	100–499	◐ LIKELY ACTIVE
USUnited States Tile CO Corona	Corona	—	◐ LIKELY ACTIVE
CCCemex Construction Materials L P	Corona	—	◇ UNVERIFIED
Johns Manville CORP	Corona	—	◇ UNVERIFIED
RRRobertson's Ready Mix	Corona	—	◇ UNVERIFIED
RRRobertson's Ready Mix	Corona	—	◇ UNVERIFIED
ACAquatic Co. Corona	Corona	1–19	◐ LIKELY ACTIVE
CCCalifornia Corona 391 N Main Street	Corona	1–19	◐ LIKELY ACTIVE
CCCalifornia Corona 507 Queensland Circle	Corona	1–19	◐ LIKELY ACTIVE
SCSEK Corporation / Ouellette	Corona	1–19	◐ LIKELY ACTIVE
TVTemescal Valley Plant #54	Corona	1–19	◐ LIKELY ACTIVE
WCWestlake Corona	Corona	20–99	◐ LIKELY ACTIVE
LGLiberty Glass Fabricators INC	Corona	—	◇ UNVERIFIED
ARAssociated Ready Mixed Concrete	Corona	—	◇ UNVERIFIED
BRBoral Roofing LLC	Corona	—	◇ UNVERIFIED
CSCalaveras Standard Materials INC.	Corona	—	◇ UNVERIFIED
FSFoster Sand & Gravel CO	Corona	—	◇ UNVERIFIED
GRG3 Ranch	Corona	—	◇ UNVERIFIED
GBGibbel Bros INC Dba Quikrete of Southern California	Corona	—	◇ UNVERIFIED
IWInternational Window Corporation	Corona	—	◇ UNVERIFIED
JEJPCC Enterprises LLC	Corona	—	◇ UNVERIFIED
MBManhole Builders Incorporated	Corona	—	◇ UNVERIFIED
MCMaruhachi Ceramics of America INC	Corona	—	◇ UNVERIFIED
MCMission Clay Prod	Corona	—	◇ UNVERIFIED
NRNational Ready Mix Concrete CO	Corona	—	◇ UNVERIFIED
NINucast Industries INC	Corona	—	◇ UNVERIFIED
OWOldcastle Westile, INC.	Corona	—	◇ UNVERIFIED
OPOmega Prod Int	Corona	—	◇ UNVERIFIED
PCPacific Clay Products	Corona	—	◇ UNVERIFIED
PSPamela Susan Hall and Steven William Hall	Corona	—	◇ UNVERIFIED
RSRock Structures Construction Company, an	Corona	—	◇ UNVERIFIED
WCWest Coast Porcelain Industries INC	Corona	—	◇ UNVERIFIED

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