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 California45 FACILITIES

Listing 45 of 140: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
SCSinak Corporation	San Diego	1–19	● ACTIVE
Rayotek Scientific, LLC	San Diego	—	● ACTIVE
Pure Design Werx LLC	Chula Vista	—	● ACTIVE
Soil Retention Products, INC.	Carlsbad	—	● ACTIVE
DIDupaco INC	Oceanside	20–99	◐ LIKELY ACTIVE
MSMarjan Stone	Spring Valley	20–99	◐ 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
US Carbon Company LLC	San Diego	—	◐ 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 INC	San Marcos	—	◐ LIKELY ACTIVE
CCCalportland Company	National City	—	◐ LIKELY ACTIVE
CCCalportland Company Miramar	San Diego	—	◐ LIKELY ACTIVE
CMCemex Mission Valley Plant	San Diego	—	◐ LIKELY ACTIVE
HAHanson Aggregates Pacific Southwest	Escondido	—	◐ LIKELY ACTIVE
MPMiramar Plant 33	San Diego	—	◐ LIKELY ACTIVE
OPOldcastle Precast	Lakeside	—	◐ LIKELY ACTIVE
PTPalomar Transit Mix CO	Escondido	—	◐ LIKELY ACTIVE
QSQuikrete - San Diego, Ca Plant	San Diego	—	◐ LIKELY ACTIVE
RBRcp Block & Brick INC.	Lemon Grove	100–499	◐ LIKELY ACTIVE
SDSan Diego Granite INC	Poway	—	◐ LIKELY ACTIVE
ARAssociated Ready Mixed Concrete	San Diego	—	◇ UNVERIFIED
ECEast County Ready Mix & Materials CORP.	El Cajon	1–19	◇ UNVERIFIED
HAHanson Aggregates Pacific Southwest INC	San Diego	—	◇ UNVERIFIED
MPMar-con Products INC	San Marcos	—	◇ UNVERIFIED
MPModerno Porcelain San Diego LLC	Santee	—	◇ UNVERIFIED
OROceanside Rmc Plant	Oceanside	—	◇ 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
EREscondido Ready Mix	Escondido	1–19	◐ LIKELY ACTIVE
FCFlorentine Company	San Diego	20–99	◐ 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
KKKapan Kent Company INC	Oceanside	1–19	◇ UNVERIFIED
SDSan Diego Asphalt Recycling Center	Lakeside	1–19	◇ UNVERIFIED
USUrban Stone INC	Fallbrook	20–99	◇ UNVERIFIED

Search all 2,872 facilities