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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
Focused Health LLC-BalboaSan Diego1–19 LIKELY ACTIVE
General Atomics - Poway - DPC01Poway100–499 LIKELY ACTIVE
Hologic Inc. - Gen-Probe Incorporated (GCD1, GCD2, Nancy Ridge, and Simpre Viva)San Diego500+ LIKELY ACTIVE
HQ 1535 Faraday Ave.Carlsbad20–99 LIKELY ACTIVE
HydrovidaCarlsbad— LIKELY ACTIVE
ID CarlsbadCarlsbad20–99 LIKELY ACTIVE
IDT San DiegoSan Diego20–99 LIKELY ACTIVE
Kurita America - San Marcos, CASan Marcos20–99 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
QuidelOrtho RutherfordCarlsbad100–499 LIKELY ACTIVE
Reflective Innovations, LLCSan Diego— LIKELY ACTIVE
Reliable-lfc, LLCSan Diego— LIKELY ACTIVE
San Diego NPHSSan Diego20–99 LIKELY ACTIVE
Sentynl Therapeutics, INC.Solana Beach— LIKELY ACTIVE
SoCal Saltworks LLCChula Vista20–99 LIKELY ACTIVE
Swift Powder Coat INCEl Cajon— LIKELY ACTIVE
Tibbett & Associates INCLemon Grove— 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
Tyra Biosciences, INCCarlsbad— LIKELY ACTIVE
US CA San Diego Miramar PlantSan Diego100–499 LIKELY ACTIVE
Westcoat HeadquartersSan Diego20–99 LIKELY ACTIVE
Woa Builders, INC.Carlsbad— LIKELY ACTIVE
Advanced Targeting SystemsCarlsbad— UNVERIFIED
J&d LabsVista— UNVERIFIED
Premier Nutra Pharma INCCarlsbad— UNVERIFIED
Xmvisuals LLCSan Diego— UNVERIFIED
1859 INCSan Diego— UNVERIFIED
1859, INC.San Diego— UNVERIFIED
3045 Industry LLCOceanside— UNVERIFIED
3d Bioanalytix INCSan Diego— UNVERIFIED
AbzenaSan Diego— UNVERIFIED
Abzena, INC.Carlsbad— UNVERIFIED
Access Biologicals, LLCVista— UNVERIFIED
Acon Laboratories INCSan Diego— UNVERIFIED
Actavalon INCSan Diego— UNVERIFIED
Active Motif INCCarlsbad— UNVERIFIED
Aculon INCSan Diego— UNVERIFIED

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California