Chemical Manufacturing in California

NAICS 325 · CA

California is home to Chemical Manufacturing, an industry with 2,584 establishments counted by the Bureau of Labor Statistics in 2024. The register lists 5,050 facilities in California as of 2026, with 5 new facilities first seen this year. BIOMARIN PHARMACEUTICAL in Novato had 2,086 employees in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in California5,050 FACILITIES

Facility	City	Employees	Status
BUBaxalta US INC	Thousand Oaks	—	◐ LIKELY ACTIVE
BUBaxalta US Inc., Part of the Takeda Group	Van Nuys	—	◐ LIKELY ACTIVE
BHBayer Healthcare Pharmaceuticals	Berkeley	—	◐ LIKELY ACTIVE
Bio-rad Laboratories	Hercules	—	◐ LIKELY ACTIVE
Bio-rad Laboratories Clinical Systems Div	Hercules	—	◐ LIKELY ACTIVE
BIBostik, INC.	Temecula	—	◐ LIKELY ACTIVE
CSCalifornia Sulphur CO	Wilmington	—	◐ LIKELY ACTIVE
CBCedars-sinai Biomanufacturing Center	West Hollywood	—	◐ LIKELY ACTIVE
COChemours Oakley	Oakley	—	◐ LIKELY ACTIVE
CACustom Ag Formulators, INC	Fresno	—	◐ LIKELY ACTIVE
EEcowise	Santa Fe Springs	—	◐ LIKELY ACTIVE
EPEezer Products INC	Fresno	—	◐ LIKELY ACTIVE
FKFinish Kare Products	South El Monte	—	◐ LIKELY ACTIVE
GIGenentech, INC	Vacaville	—	◐ LIKELY ACTIVE
GIGenentech INC Founders Research Center (mid Campus)	South San Francisco	—	◐ LIKELY ACTIVE
GHGenentech-oceanside Hybrid	Oceanside	—	◐ LIKELY ACTIVE
GPGen Probe INC	San Diego	—	◐ LIKELY ACTIVE
GPGreen Products Company	Richmond	—	◐ LIKELY ACTIVE
GGro-power	Chino	—	◐ LIKELY ACTIVE
HSHd Supply Facilities Maintenance LTD Mw020a	City of Industry	—	◐ LIKELY ACTIVE
HIHocking International Laboratories	San Marcos	—	◐ LIKELY ACTIVE
HIHoneywell International	Santa Clara	—	◐ LIKELY ACTIVE
HIHoneywell International INC Former Baron-blakeslee	Newark	—	◐ LIKELY ACTIVE
KGKellogg Garden Products	Ontario	—	◐ LIKELY ACTIVE
KKKwik Kleen	Pomona	—	◐ LIKELY ACTIVE
MTMatheson Tri-gas INC - Newark Branch	Newark	—	◐ LIKELY ACTIVE
MPModified Plastics INC	Santa Ana	—	◐ LIKELY ACTIVE
MLMoss Landing Commercial Park	Moss Landing	—	◐ LIKELY ACTIVE
NCNalco Champion-carson Plant 0111	Long Beach	—	◐ LIKELY ACTIVE
NPNorac Pharma (s&b Pharma Dba Norac Pharma)	Azusa	—	◐ LIKELY ACTIVE
NFNorman, Fox & Co, Unit No. 1	Vernon	—	◐ LIKELY ACTIVE
NINovartis Institutes for Biomedical Research INC	Emeryville	—	◐ LIKELY ACTIVE
NGNzt Group	Sacramento	—	◐ LIKELY ACTIVE
OCOatey CO	Newark	—	◐ LIKELY ACTIVE
PPPacific Plating	Sun Valley	—	◐ LIKELY ACTIVE
PTPliant Therapeutics INC.	South San Francisco	—	◐ LIKELY ACTIVE
PWProfessional Water Technologies	Vista	—	◐ LIKELY ACTIVE
QLQuallion LLC Mann Biomedical Park Building 61	Santa Clarita	—	◐ LIKELY ACTIVE
RHRecology Hay Road	Vacaville	—	◐ LIKELY ACTIVE
SISalk Institute	La Jolla	—	◐ LIKELY ACTIVE
SPSamson Pharmaceuticals INC	Commerce	—	◐ LIKELY ACTIVE
SDSekisui Diagnostics LLC	San Diego	—	◐ LIKELY ACTIVE
SFSilver Fern Chemical, INC.	Santa Barbara	—	◐ LIKELY ACTIVE
SCSouthern California Plastics INC	Santa Ana	—	◐ LIKELY ACTIVE
TDThe Dow Chemical Company C/o Weber Logistics	Santa Fe Springs	—	◐ LIKELY ACTIVE
TSThe Schwartz E Liquid Dba USA Vape Lab	Huntington Beach	—	◐ LIKELY ACTIVE
TCTranschem Coatngs	Los Angeles	—	◐ LIKELY ACTIVE
WFWhitaker-bermite Facility - Formerly	Santa Clarita	—	◐ LIKELY ACTIVE
ZPZodiac Pool Systems	Vista	—	◐ LIKELY ACTIVE
3D3m Drug Delivery Systems	Northridge	—	◇ UNVERIFIED

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