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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

Products made in California750 PRODUCTS

ProductSourceFacilities
Antigen, Cf (Including Cf Control), Epstein-Barr VirusFederal registry1
Antigen, Cf (Including Cf Controls), Respiratory Syncytial VirusFederal registry1
Antigen, Cf, Psittacosis (Chlamydia Group)Federal registry1
Antigen, Cf, Q FeverFederal registry1
Antigen(Complexed),Prostate Specific,(Cpsa)Federal registry1
Antigen, Iha, T. CruziFederal registry1
Antigen, Inflammatory Response Marker, SepsisFederal registry1
Antigens, All Groups, Salmonella Spp.Federal registry1
Antigens, All, Leptospira Spp.Federal registry1
Antigens, Cf (Including Cf Control), Adenovirus 1-33Federal registry1
Antigens, Febrile, Slide And Tube, All Groups, Salmonella Spp.Federal registry1
Antigens, Nontreponemal, AllFederal registry1
Antigens, Slide And Tube, Francisella TularensisFederal registry1
Anti-Jcv Antibody Detection AssayFederal registry1
Anti-Müllerian Hormone Test SystemFederal registry1
Antisera, All Leptospira Spp.Federal registry1
Antisera, Cf, Adenovirus 1-33Federal registry1
Antisera, Cf, Equine Encephalitis Virus, Eee, WeeFederal registry1
Antisera, Cf, Herpesvirus Hominis 1,2Federal registry1
Antisera, Cf, Influenza Virus A, B, CFederal registry1
Antisera, Cf, RubellaFederal registry1
Antisera, Fluorescent, Chlamydia Spp.Federal registry1
Antisera, If, Toxoplasma GondiiFederal registry1
Antiserum, Cf, CytomegalovirusFederal registry1
Antiserum, Cf, Epstein-Barr VirusFederal registry1
Antiserum, Fluorescent, Mycobacterium TuberculosisFederal registry1
Antiserum, Fluorescent, Q FeverFederal registry1
Antiserum, Typhus FeverFederal registry1
Antiserum, Vibrio Cholerae, All VarietiesFederal registry1
Anti-Ss-A 52 AutoantibodiesFederal registry1
Apparatus, Electrophoresis, For Clinical UseFederal registry1
Aspiration Thrombectomy CatheterFederal registry1
Assay, 1,5-Anhydroglucitol (15ag)Federal registry1
Assay, B Lymphocyte MarkerFederal registry1
Assay, Enterovirus Nucleic AcidFederal registry1
Assay, Enzyme Linked Immunosorbent, Hepatitis C VirusFederal registry1
Assay,Enzyme Linked Immunosorbent,Parvovirus B19 IggFederal registry1
Assay,Enzyme Linked Immunosorbent,Parvovirus B19 IgmFederal registry1
Assay KitsCompany website1
Assay, T Lymphocyte Surface MarkerFederal registry1
Atomic Absorption, LithiumFederal registry1
Autoantibodies, Anti-Ribonucleic Acid Polymerase (Rnap) Iii AntibodyFederal registry1
Autoantibodies, Anti-Soluble Liver Antigen (Sla), Autoimmune HepatitisFederal registry1
Autoantibodies, Lkm-1 (Liver/Kidney Microsome, Type 1)Federal registry1
Autoantibodies, Nuclear Body Protein, Sp100Federal registry1
Autoantibodies, Nuclear Pore Glycoprotein Gp210Federal registry1
Auto-Antibodies; Phosphatidylserine, Prothrombin, Phosphatidylserine/Prothrombin ComplexFederal registry1
Automated Antimicrobial Susceptibility Test System For Positive Blood Culture SamplesFederal registry1
Automated Multicolor Fluorescent Imaging Cytometric Analysis SystemFederal registry1
Automated Urinalysis SystemFederal registry1

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All chemical manufacturing nationwide · All manufacturing in California

Chemical Manufacturers in California · FactoryRegistry