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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 California407 FACILITIES

FacilityCityEmployeesStatus
Ark Diagnostics, INC.Fremont— ACTIVE
Biolog, INC.Hayward20–99 ACTIVE
Grifols Diagnostic Solutions INC.Emeryville— ACTIVE
Sila Nanotechnologies, INC.Alameda100–499 ACTIVE
Affimedix, INC.Hayward— ACTIVE
Anthro Energy INCAlameda— ACTIVE
Arris Composites, INC.Berkeley— ACTIVE
Automat Solutions INCSan Leandro— ACTIVE
Baxter Healthcare INCHayward100–499 ACTIVE
Clorox COOakland— ACTIVE
Davlin Coatings LLCBerkeley— ACTIVE
Gentegra LLCPleasanton— ACTIVE
Mv Advanced, INCBerkeley— ACTIVE
Palogen, INC.Fremont— ACTIVE
Quino Energy INCSan Leandro— ACTIVE
Specialized Coating Services, LLCFremont— ACTIVE
Vector Laboratories, INC.Newark— ACTIVE
Aat Bioquest INCPleasanton— ACTIVE
Abbott Diabetes Care INCAlameda— ACTIVE
Arbor Vita CORPFremont— ACTIVE
Cinder Biological INC.San Leandro— ACTIVE
Ejoule INCFremont— ACTIVE
Ertec Environmental Systems LLCAlameda— ACTIVE
Exelixis, INC.Alameda— ACTIVE
Forta Bio INCLivermore— ACTIVE
Fremonta CorporationFremont— ACTIVE
Kiverdi, INC.San Leandro— ACTIVE
Lilac Solutions INCOakland— ACTIVE
Praio, INC.Emeryville— ACTIVE
Rhoic, INC.Emeryville— ACTIVE
Robiome INC.Berkeley— ACTIVE
The Kingsford Products Company, LLCOakland— ACTIVE
Visolis, INCHayward— ACTIVE
Xera Energy INCFremont— ACTIVE
Advanced Cell DiagnosticsNewark— LIKELY ACTIVE
Boehringer Ingelheim FremontFremont500+ LIKELY ACTIVE
Chemical Compounding CompanyOakland— UNVERIFIED
Rohm and Haas - Hayward PlantHayward— UNVERIFIED
Transene Company OaklandOakland— UNVERIFIED
Bugworks Research INCFremont— LIKELY ACTIVE
Dynavax Technologies CorporationEmeryville— LIKELY ACTIVE
AbaxisUnion City— LIKELY ACTIVE
Allure Labs, INC.Hayward100–499 LIKELY ACTIVE
Basf Metals LLCFremont20–99 LIKELY ACTIVE
Berkeley Advanced Biomaterials LLCBerkeley— LIKELY ACTIVE
Berkeley Nutritional Manufacturing CORP.Livermore20–99 LIKELY ACTIVE
Diagnostic Biosystems INCPleasanton— LIKELY ACTIVE
G S Cosmeceutical USA INCLivermore100–499 LIKELY ACTIVE
Intematix CorporationFremont1–19 LIKELY ACTIVE
Kaneka Americas Holding INCNewark— LIKELY ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California