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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 California1,179 FACILITIES

FacilityCityEmployeesStatus
Allblack Co., INC.Whittier20–99 ACTIVE
American Polymers CORP.Santa Fe Springs— ACTIVE
Bachem Americas INCTorrance— ACTIVE
Dlc Laboratories, INC.Paramount20–99 ACTIVE
Eckert & Ziegler Isotope Products, INC.Valencia20–99 ACTIVE
Epmar CorporationWhittier20–99 ACTIVE
Hasa Inc.- SaugusSaugus100–499 ACTIVE
International Coatings Co, INCCerritos20–99 ACTIVE
Phibro Tech INCSanta Fe Springs20–99 ACTIVE
W.h.p.m., INC.Irwindale— ACTIVE
Above All PrintworksSan Fernando— ACTIVE
Aerojet Rocketdyne of De, INCCanoga Park— ACTIVE
Alere San Diego, INC.Pomona— ACTIVE
Blaine Laboratories, INC.Santa Fe Springs— ACTIVE
C. E. Frey Engineering LLCDuarte— ACTIVE
Cemcoat INCLos Angeles— ACTIVE
Dunn-edwards CORPCommerce— ACTIVE
Elastapro Silicone Sheeting LLCSanta Fe Springs— ACTIVE
Huntsman Advanced Materials Americas LLCLos Angeles— ACTIVE
Ihealth Manufacturing INCIrwindale— ACTIVE
Integral Products, INC.Harbor City— ACTIVE
Medical Chemical CorporationTorrance— ACTIVE
Nycote Laboratories CorporationSanta Clarita— ACTIVE
Osang LLCSouth Pasadena— ACTIVE
Paint-chem INC.Los Angeles— ACTIVE
Percusense, INCValencia— ACTIVE
Performance Engineered Products INCPomona— ACTIVE
Prc-desoto International, INCBurbank— ACTIVE
Prolacta Bioscience, INCCity of Industry— ACTIVE
Reinhold Industries INCSanta Fe Springs— ACTIVE
Utak Laboratories, INC.Santa Clarita— ACTIVE
Allen Kamrava, Md Mba INCBeverly Hills— ACTIVE
Altor Bioscience, LLCCulver City— ACTIVE
Ambiance Cosmetics, INCDuarte— ACTIVE
American Drug Screen CorporationIrwindale— ACTIVE
Apogee One Technologies INCTorrance— ACTIVE
Applied Biocode INCSanta Fe Springs— ACTIVE
Aptek Laboratories INCValencia— ACTIVE
Arctom Scientific LLCAgoura Hills— ACTIVE
Bowhead Health, INC.Los Angeles— ACTIVE
Bryant Ranch PrepackBurbank— ACTIVE
Ceres Remediation ProductsVenice— ACTIVE
Change Your Life LLCArcadia— ACTIVE
Chemco Systems, INC.Santa Fe Springs— ACTIVE
Cosmetic Enterprises, LTD.Pacoima1–19 ACTIVE
Cosmoceutical Research Center, INC.Panorama City— ACTIVE
Crown Polymers CorporationSanta Fe Springs— ACTIVE
Digidat INCCastaic— ACTIVE
E'lan StatisticsSherman Oaks— ACTIVE
Emmaus Medical, INCTorrance— ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California