FactoryRegistry
Claim a page

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
San DiegoSan Diego1–19 LIKELY ACTIVE
Sekisui DiagnosticsSan Diego100–499 LIKELY ACTIVE
Sekisui Diagnostics LLCSan Diego— LIKELY ACTIVE
Synergy Health Ast LLCSan Diego— LIKELY ACTIVE
Wd-40 CompanySan Diego100–499 LIKELY ACTIVE
Gen Probe INCSan Diego— LIKELY ACTIVE
Sekisui Diagnostics LLCSan Diego— LIKELY ACTIVE
AbzenaSan Diego— UNVERIFIED
Biosite INCSan Diego— UNVERIFIED
Chromalloy Pacific Gas Turbine CenterSan Diego— UNVERIFIED
Gen Probe INCSan Diego— UNVERIFIED
Integrated Dna TechnologiesSan Diego— UNVERIFIED
Invivoscribe TechnologiesSan Diego— UNVERIFIED
Maxwell Electronic Component GSan Diego— UNVERIFIED
Pci San Diego, INC.San Diego— UNVERIFIED
R W Little COSan Diego— UNVERIFIED
Takeda California INCSan Diego— UNVERIFIED
Trilink BiotechnologiesSan Diego— UNVERIFIED
Trilink Biotechnologies, INCSan Diego— UNVERIFIED
808 Solutions INCSan Diego— LIKELY ACTIVE
AbamericaSan Diego— LIKELY ACTIVE
Catalent San Diego (Packaging)San Diego20–99 LIKELY ACTIVE
CMI San Diego Mesa RimSan Diego100–499 LIKELY ACTIVE
El Dorado Coatings INCSan Diego— LIKELY ACTIVE
Focused Health LLC-BalboaSan Diego1–19 LIKELY ACTIVE
Hologic Inc. - Gen-Probe Incorporated (GCD1, GCD2, Nancy Ridge, and Simpre Viva)San Diego500+ LIKELY ACTIVE
IDT San DiegoSan Diego20–99 LIKELY ACTIVE
Maynus Hardwood Floors, INCSan Diego— LIKELY ACTIVE
Miltenyi Biotec San DiegoSan Diego20–99 LIKELY ACTIVE
Mirror CO. LLCSan Diego— LIKELY ACTIVE
Mitargos INC.San Diego— LIKELY ACTIVE
Molecular Bioproducts INCSan Diego— REPORTED CLOSED
Monserate Biotech, LLCSan Diego— LIKELY ACTIVE
Neurelis INCSan Diego— LIKELY ACTIVE
Oberon Fuels - CorporateSan Diego1–19 LIKELY ACTIVE
Quidelortho CorporationSan Diego— LIKELY ACTIVE
QuidelOrtho McKellarSan Diego1–19 LIKELY ACTIVE
QuidelOrtho Rochester 313San Diego500+ LIKELY ACTIVE
Reflective Innovations, LLCSan Diego— LIKELY ACTIVE
Reliable-lfc, LLCSan Diego— LIKELY ACTIVE
San Diego NPHSSan Diego20–99 LIKELY ACTIVE
Ting Therapeutics, INC.San Diego— LIKELY ACTIVE
Totaledge Solutions LLCSan Diego— LIKELY ACTIVE
Travere Therapeutics, Inc,San Diego100–499 LIKELY ACTIVE
Trilink Biotechnologies, LLCSan Diego— LIKELY ACTIVE
US CA San Diego Miramar PlantSan Diego100–499 LIKELY ACTIVE
Westcoat HeadquartersSan Diego20–99 LIKELY ACTIVE
Xmvisuals LLCSan Diego— UNVERIFIED
1859 INCSan Diego— UNVERIFIED
1859, INC.San Diego— UNVERIFIED

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California