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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
Acon Laboratories, INC.San Diego— ACTIVE
Ctk Biotech, INC.Poway— ACTIVE
Dexcom, INC.San Diego— ACTIVE
Invivoscribe, INC.San Diego100–499 ACTIVE
Life Technologies CorporationCarlsbad— ACTIVE
Mast Technologies, LLCSan Diego1–19 ACTIVE
New Leaf Biofuel, LLCSan Diego— ACTIVE
Sumitomo Electric Interconnect Products, INC.San Marcos100–499 ACTIVE
Argonaut Manufacturing Services, INC.Carlsbad— ACTIVE
Binding Site, Inc., theSan Diego— ACTIVE
Cliawaived, INC.Carlsbad— ACTIVE
Diazyme Laboratories INCPoway— ACTIVE
Piercan Usa, INCSan Marcos— ACTIVE
Product Slingshot INCCarlsbad— ACTIVE
QuidelOrtho CardiovascularSan Diego500+ ACTIVE
Rs Hughes CO INCVista— ACTIVE
Shield Ai INCSan Diego— ACTIVE
Siro Diagnostics, INC.San Diego— ACTIVE
Waterdog Products, INC.El Cajon— ACTIVE
Zmi Pharma, INCCarlsbad— ACTIVE
1 Stop Toner & Inkjet, LLCCarlsbad— ACTIVE
Active Life INC.El Cajon— ACTIVE
Adipogen CorporationSan Diego— ACTIVE
Aequor INC.Encinitas— ACTIVE
Alliance Coatings, INC.El Cajon— ACTIVE
Applied Biosystems, LLCCarlsbad— ACTIVE
Ars Pharmaceuticals Operations, INC.San Diego— ACTIVE
Artificial Turf Supply LLCCarlsbad— ACTIVE
Artis Biosolutions LLCCarlsbad— ACTIVE
BD BioscienceSan Diego100–499 ACTIVE
Big Eye Diagnostics INCSan Diego— ACTIVE
Blazetamer USA LLCSan Diego— ACTIVE
Cal Coast Pest Management INCNational City— ACTIVE
Cellibre, INC.San Diego— ACTIVE
Cellics Therapeutics INCSan Diego— ACTIVE
Cordx, INC.San Diego— ACTIVE
Cosmo Bio USA INCCarlsbad— ACTIVE
Crinetics Pharmaceuticals, INCSan Diego— ACTIVE
Defined Bioscience INCSan Diego— ACTIVE
Energysource Minerals, LLCCarlsbad— ACTIVE
Epigen Biosciences INCSan Diego— ACTIVE
Evofem Biosciences, INC.San Diego— ACTIVE
Genlantis Diagnostics, INCSan Diego— ACTIVE
Greos, LLCCarlsbad— ACTIVE
Hyginix LLCSan Diego— ACTIVE
Karmanterra, LLCEncinitas— ACTIVE
Kura Oncology, INCSan Diego— ACTIVE
Lifeome Biolabs INCSan Diego— ACTIVE
Mighty Fire Breaker LLCOceanside— ACTIVE
Milagro FoundationCarlsbad— ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California