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 California136 FACILITIES

Facility	City	Employees	Status
Rayotek Scientific, LLC	San Diego	—	● ACTIVE
Pure Design Werx LLC	Chula Vista	—	● ACTIVE
SCSinak Corporation	San Diego	—	● ACTIVE
Soil Retention Products, INC.	Carlsbad	—	● ACTIVE
US Carbon Company LLC	San Diego	—	● ACTIVE
DIDupaco INC	Oceanside	—	◐ LIKELY ACTIVE
ECEl Cajon Plant 29	El Cajon	1–19	◐ LIKELY ACTIVE
EPEscondido Plant 36	Escondido	1–19	◐ LIKELY ACTIVE
OMOtay Mesa Plant 28	Otay Mesa	20–99	◐ LIKELY ACTIVE
RRRobertson's Ready Mix Carroll Canyon Plant 32	San Diego	1–19	◐ LIKELY ACTIVE
NCNational City Ready Mix	National City	20–99	◐ LIKELY ACTIVE
OMOasis Materials Company LP	Poway	20–99	◐ LIKELY ACTIVE
AGAdp Granite & Marble Design	San Marcos	—	◐ LIKELY ACTIVE
MSMarjan Stone	Spring Valley	—	◐ LIKELY ACTIVE
QCQuikrete Companies LLC Dba Quikrete	San Diego	—	◐ LIKELY ACTIVE
RRRobertson's Ready Mix	San Diego	—	◐ LIKELY ACTIVE
SDSan Diego Granite INC	Poway	—	◐ LIKELY ACTIVE
ARAssociated Ready Mixed Concrete	San Diego	—	◇ UNVERIFIED
CCCalportland Company	National City	—	◇ UNVERIFIED
CCCalportland Company Miramar	San Diego	—	◇ UNVERIFIED
CMCemex Mission Valley Plant	San Diego	—	◇ UNVERIFIED
HAHanson Aggregates Pacific Southwest INC	San Diego	—	◇ UNVERIFIED
MPMar-con Products INC	San Marcos	—	◇ UNVERIFIED
MPMiramar Plant 33	San Diego	—	◇ UNVERIFIED
MPModerno Porcelain San Diego LLC	Santee	—	◇ UNVERIFIED
OROceanside Rmc Plant	Oceanside	—	◇ UNVERIFIED
OPOldcastle Precast	Lakeside	—	◇ UNVERIFIED
PTPalomar Transit Mix CO	Escondido	—	◇ UNVERIFIED
QSQuikrete - San Diego, Ca Plant	San Diego	—	◇ UNVERIFIED
SRSuperior Ready Mix Concrete LP	Escondido	—	◇ UNVERIFIED
CSCalifornia San Diego 15822 Bernardo Center Drive	San Diego	20–99	◐ LIKELY ACTIVE
CSCalifornia San Diego Trade Place	San Diego	1–19	◐ LIKELY ACTIVE
CMCarlsbad Manufacturing Corporation	Carlsbad	—	◐ LIKELY ACTIVE
DFDedicated Floor Systems	Escondido	1–19	◐ LIKELY ACTIVE
EREscondido Ready Mix	Escondido	1–19	◐ LIKELY ACTIVE
FCFlorentine Company	San Diego	20–99	◐ LIKELY ACTIVE
LCLamart California INC	San Diego	—	◐ LIKELY ACTIVE
LILamvin inc	Oceanside	1–19	◐ LIKELY ACTIVE
MPMiramar Plant #33	Miramar	20–99	◐ LIKELY ACTIVE
NCNational City Cement Terminal	National City	1–19	◐ LIKELY ACTIVE
OPOceanside Plant	Oceanside	1–19	◐ LIKELY ACTIVE
PCPS California Chula Vista Marsat Court	Chula Vista	1–19	◐ LIKELY ACTIVE
SRSoil Retention Systems, INC.	Carlsbad	20–99	◐ LIKELY ACTIVE
SCSound Crete Contractors	Escondido	20–99	◐ LIKELY ACTIVE
VMVictor M Garza	El Cajon	—	◐ LIKELY ACTIVE
ECEast County Ready Mix & Materials CORP.	El Cajon	—	◇ UNVERIFIED
AWAcropolis West Designs INC	San Diego	—	◇ UNVERIFIED
APAlliance Professional Business Services, INC	Santee	—	◇ UNVERIFIED
ADAsap Delivery	Lakeside	—	◇ UNVERIFIED
AAAudience AV, Inc.	San Marcos	—	◇ UNVERIFIED

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