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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 California346 FACILITIES

FacilityCityEmployeesStatus
Acon Laboratories, INC.San Diego— ACTIVE
Dexcom, INC.San Diego— ACTIVE
Invivoscribe, INC.San Diego100–499 ACTIVE
Mast Technologies, LLCSan Diego1–19 ACTIVE
New Leaf Biofuel, LLCSan Diego— ACTIVE
Binding Site, Inc., theSan Diego— ACTIVE
Biolegend, INC.San Diego— ACTIVE
QuidelOrtho CardiovascularSan Diego500+ ACTIVE
Shield Ai INCSan Diego— ACTIVE
Siro Diagnostics, INC.San Diego— ACTIVE
Adipogen CorporationSan Diego— ACTIVE
Ars Pharmaceuticals Operations, INC.San Diego— ACTIVE
BD BioscienceSan Diego100–499 ACTIVE
Big Eye Diagnostics INCSan Diego— ACTIVE
Blazetamer USA LLCSan Diego— ACTIVE
Cellibre, INC.San Diego— ACTIVE
Cellics Therapeutics INCSan Diego— ACTIVE
Cordx, INC.San Diego— ACTIVE
Crinetics Pharmaceuticals, INCSan Diego— ACTIVE
Defined Bioscience INCSan Diego— ACTIVE
Epigen Biosciences INCSan Diego— ACTIVE
Evofem Biosciences, INC.San Diego— ACTIVE
Genlantis Diagnostics, INCSan Diego— ACTIVE
Hyginix LLCSan Diego— ACTIVE
Kura Oncology, INCSan Diego— ACTIVE
Lifeome Biolabs INCSan Diego— ACTIVE
Natural Thoughts, INCSan Diego— ACTIVE
Neurocrine Biosciences, INC.San Diego— ACTIVE
Pure Bioscience, INC.San Diego— ACTIVE
Quidelortho Sales Company, LLCSan Diego— ACTIVE
Sohm, INCSan Diego— ACTIVE
Stoody Industrial & Welding Supply, INC.San Diego— ACTIVE
Travere Therapeutics, INC.San Diego— ACTIVE
Vitae Enim Vitae Scientific, INC.San Diego— ACTIVE
Pacira PharmaceuticalsSan Diego100–499 LIKELY ACTIVE
Polypeptide Laboratories San Diego (ppl-sd)San Diego20–99 LIKELY ACTIVE
AbzenaSan Diego100–499 LIKELY ACTIVE
Designer Molecules, INC.San Diego— LIKELY ACTIVE
Inova DiagnosticsSan Diego— LIKELY ACTIVE
Irisys INCSan Diego— LIKELY ACTIVE
Alere San DiegoSan Diego— UNVERIFIED
Frazee IndustriesSan Diego— UNVERIFIED
HydrovidaSan Diego— LIKELY ACTIVE
Nielsen Biosciences INCSan Diego— LIKELY ACTIVE
Advin Biotech INCSan Diego— LIKELY ACTIVE
Allele Diagnostics, INC.San Diego— LIKELY ACTIVE
Augusta Life Sciences US Opco I LLCSan Diego— LIKELY ACTIVE
Cytohub INCSan Diego— LIKELY ACTIVE
Microbiologics - San DiegoSan Diego20–99 LIKELY ACTIVE
Pci San Diego INCSan Diego100–499 LIKELY ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California