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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

Products made in California750 PRODUCTS

ProductSourceFacilities
Fluorescent Immunoassay, TobramycinFederal registry2
Glucose Dehydrogenase, GlucoseFederal registry2
Groups A, C And G Beta-Hemolytic Streptococcus Nucleic Acid Amplification SystemFederal registry2
Hexane Extraction, Fluorescence, Vitamin EFederal registry2
Iga, Antigen, Antiserum, ControlFederal registry2
Igg, Antigen, Antiserum, ControlFederal registry2
Igm, Antigen, Antiserum, ControlFederal registry2
Implant, Dermal, For Aesthetic UseFederal registry2
Implant, Eye ValveFederal registry2
Indirect Bonding TrayFederal registry2
instrumentsCompany website2
Integrated Continuous Glucose Monitor For Non-Intensive Glucose Monitoring, Over-The-CounterFederal registry2
Irrigator, Powered NasalFederal registry2
Kit, Quality Control For Blood Banking ReagentsFederal registry2
L-Leucine-4-Nitroanilide (Colorimetric), Leucine ArylamidaseFederal registry2
Lubricant, PersonalFederal registry2
Medical Device Data SystemFederal registry2
Meprobamate Test SystemFederal registry2
Mercuric Thiocyanate, Colorimetry, ChlorideFederal registry2
Method, Nephelometric, Immunoglobulins (G, A, M)Federal registry2
Mixture, Hematology Quality ControlFederal registry2
Mounting MediaFederal registry2
Mouthguard, PrescriptionFederal registry2
Multi-Analyte Respiratory Virus Antigen Detection TestFederal registry2
Multiple Autoantibodies, Indirect Immunofluorescent, Antigen, ControlFederal registry2
Myoglobin, Antigen, Antiserum, ControlFederal registry2
Nephelometric Inhibition Immunoassay, PhenobarbitalFederal registry2
Next Generation Sequencing Oncology Panel, Somatic Or Germline Variant Detection SystemFederal registry2
Nucleic Acid Amplification Assay System, Group B Streptococcus, Direct Specimen TestFederal registry2
Over-The-Counter Covid-19 Antigen TestFederal registry2
Ph BufferFederal registry2
Ph Rate Measurement, Carbon-DioxideFederal registry2
Plasma, Coagulation ControlFederal registry2
Positioner, Tooth, PreformedFederal registry2
Prealbumin, Fitc, Antigen, Antiserum, ControlFederal registry2
Products, Contact Lens Care, Rigid Gas PermeableFederal registry2
Radioassay, Vitamin B12Federal registry2
Radioimmunoassay, EstradiolFederal registry2
Radioimmunoassay, Free ThyroxineFederal registry2
Radioimmunoassay, MethaqualoneFederal registry2
Radioimmunoassay, ProgesteroneFederal registry2
Reagent, Rickettsia SerologicalFederal registry2
Reagents, Monkeypox Virus Nucleic Acid.Federal registry2
Respiratory Specimen Nucleic Acid Sars-Cov-2 TestFederal registry2
Respiratory Virus Panel Nucleic Acid Assay SystemFederal registry2
Retainer, Screw Expansion, OrthodonticFederal registry2
Saliva, ArtificialFederal registry2
Sealant, PolymerizingFederal registry2
Sensor, Glucose, InvasiveFederal registry2
Single Use Only Blood Lancet With An Integral Sharps Injury Prevention FeatureFederal registry2

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California