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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

Map, cities and product lines

Biggest counties

Los Angeles1,179San Diego572Orange472Alameda407Santa Clara287San Bernardino271San Mateo266Riverside159

Biggest cities

Plants in California572 FACILITIES

FacilityCityEmployeesStatus
Scantibodies Laboratory INCSantee20–99 LIKELY ACTIVE
Sekisui DiagnosticsSan Diego100–499 LIKELY ACTIVE
Sekisui Diagnostics LLCSan Diego— LIKELY ACTIVE
Synergy Health Ast LLCSan Diego— LIKELY ACTIVE
Wd-40 CompanySan Diego100–499 LIKELY ACTIVE
Genentech-oceanside HybridOceanside— LIKELY ACTIVE
Gen Probe INCSan Diego— LIKELY ACTIVE
Hocking International LaboratoriesSan Marcos— LIKELY ACTIVE
Professional Water TechnologiesVista— LIKELY ACTIVE
Salk InstituteLa Jolla— LIKELY ACTIVE
Sekisui Diagnostics LLCSan Diego— LIKELY ACTIVE
Zodiac Pool SystemsVista— LIKELY ACTIVE
Abbott IbisCarlsbad— UNVERIFIED
AbzenaSan Diego— UNVERIFIED
Biosite INCSan Diego— UNVERIFIED
Brizon INCEscondido— UNVERIFIED
Captek Holdings INCVista— UNVERIFIED
Carlsbad Technology INCCarlsbad— UNVERIFIED
Chromalloy Pacific Gas Turbine CenterSan Diego— UNVERIFIED
Corsair Marine INCChula Vista— UNVERIFIED
Ferro Electronic Material SystemsVista— UNVERIFIED
Genentech, INC. Ocp OperationsOceanside— UNVERIFIED
Gen Probe INCSan Diego— UNVERIFIED
Imperial Custom Cabinets INCLemon Grove— UNVERIFIED
Integrated Dna TechnologiesSan Diego— UNVERIFIED
Invivoscribe TechnologiesSan Diego— UNVERIFIED
Maxwell Electronic Component GSan Diego— UNVERIFIED
Natural Alternatives International INCVista— UNVERIFIED
Pci San Diego, INC.San Diego— UNVERIFIED
Pro-chem Specialty ProductsNational City— UNVERIFIED
PurewickEl Cajon— UNVERIFIED
R W Little COSan Diego— UNVERIFIED
Takeda California INCSan Diego— UNVERIFIED
Trilink BiotechnologiesSan Diego— UNVERIFIED
Trilink Biotechnologies, INCSan Diego— UNVERIFIED
Vista Biologicals CORPCarlsbad— UNVERIFIED
1211 Park Center Dr.Vista20–99 LIKELY ACTIVE
1215 Park Center Dr.Vista100–499 LIKELY ACTIVE
808 Solutions INCSan Diego— LIKELY ACTIVE
AbamericaSan Diego— LIKELY ACTIVE
Avista Technologies IncSan Marcos20–99 LIKELY ACTIVE
Captek Softgel International - VistaVista100–499 LIKELY ACTIVE
CarlsbadCarlsbad100–499 LIKELY ACTIVE
Carlsbad CA, RLT, Novartis Manufacturing, LLCCarlsbad20–99 LIKELY ACTIVE
Catalent San Diego (Packaging)San Diego20–99 LIKELY ACTIVE
CMI San Diego Mesa RimSan Diego100–499 LIKELY ACTIVE
Dhanoa Daljit SDel Mar— LIKELY ACTIVE
Diagnostics : Beckman Coulter - CarlsbadCarlsbad100–499 LIKELY ACTIVE
El Dorado Coatings INCSan Diego— LIKELY ACTIVE
FarnsworthCarlsbad20–99 LIKELY ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California