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
Quino Energy INC	San Leandro	—	● ACTIVE
Regenesis Bioremediation Products	San Clemente	—	● ACTIVE
Reinhold Industries INC	Santa Fe Springs	—	● ACTIVE
Reltek, LLC	Santa Rosa	—	● ACTIVE
Revolution Medicines, INC.	Redwood City	—	● ACTIVE
Rs Hughes CO INC	Vista	—	● ACTIVE
Seaco Technologies, INC.	Bakersfield	—	● ACTIVE
Seegene Usa, INC.	Irvine	—	● ACTIVE
Shield Ai INC	San Diego	—	● ACTIVE
SDSiro Diagnostics, INC.	San Diego	—	● ACTIVE
Sjv Biodiesel, LLC	Pixley	—	● ACTIVE
Specialized Coating Services, LLC	Fremont	—	● ACTIVE
Spectrum Gas Products, INC.	Anaheim	—	● ACTIVE
Spero Renewables LLC	Goleta	—	● ACTIVE
The Belport Company, INC.	Camarillo	—	● ACTIVE
Thomas Global Systems LLC	Irvine	—	● ACTIVE
Toray Advanced Composites Ads, LLC	Fairfield	—	● ACTIVE
Tri Models INC	Huntington Beach	—	● ACTIVE
Utak Laboratories, INC.	Santa Clarita	—	● ACTIVE
Vacuum Process Engineering, INC.	Sacramento	—	● ACTIVE
Vector Laboratories, INC.	Newark	—	● ACTIVE
Waterdog Products, INC.	El Cajon	—	● ACTIVE
Wavesense, INC.	Irvine	—	● ACTIVE
Yenzym Antibodies, LLC	Brisbane	—	● ACTIVE
Zmi Pharma, INC	Carlsbad	—	● ACTIVE
1 Stop Toner & Inkjet, LLC	Carlsbad	—	● ACTIVE
ABAat Bioquest INC	Pleasanton	—	● ACTIVE
ADAbbott Diabetes Care INC	Alameda	—	● ACTIVE
Accesso Biotech Corporation	Santa Clara	—	● ACTIVE
Active Life INC.	El Cajon	—	● ACTIVE
Adipogen Corporation	San Diego	—	● ACTIVE
Aegis Industries, INC.	Santa Maria	—	● ACTIVE
Aemetis Advanced Products Keyes INC	Cupertino	—	● ACTIVE
Aemetis Advanced Products Riverbank, INC.	Cupertino	—	● ACTIVE
Aemetis Biogas 2 LLC	Cupertino	—	● ACTIVE
Aemetis Biogas 6 LLC	Cupertino	—	● ACTIVE
Aemetis Biogas 7 LLC	Cupertino	—	● ACTIVE
Aemetis, INC.	Cupertino	—	● ACTIVE
Aemetis Technologies, INC.	Cupertino	—	● ACTIVE
Aequor INC.	Encinitas	—	● ACTIVE
AIAgtec Innovations, INC.	Los Altos	—	● ACTIVE
Aisha Sibri	San Rafael	—	● ACTIVE
Alana Mitchell, INC.	Dana Point	—	● ACTIVE
Alfakleen Chemical Labs, INC.	Costa Mesa	—	● ACTIVE
All City Office Products INC	Huntington Beach	—	● ACTIVE
Allen Kamrava, Md Mba INC	Beverly Hills	—	● ACTIVE
AUAllergan USA INC	Irvine	—	● ACTIVE
Alliance Coatings, INC.	El Cajon	—	● ACTIVE
Alphatek Materials, LLC	Irvine	—	● ACTIVE
Altor Bioscience, LLC	Culver City	—	● ACTIVE

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