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Chemical Manufacturing in California

NAICS 325 · CA

The Chemical Manufacturing industry in California has 2,528 establishments, according to the Bureau of Labor Statistics. This register lists 5,130 facilities in California. AOC LLC, located in Perris, employed 1,860 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Los Angeles1,204San Diego584Orange480Alameda409Santa Clara278San Bernardino277San Mateo267Riverside174

Biggest cities

Plants in California1,637 FACILITIES

Listing 1,637 of 5,130: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Hocking International LaboratoriesSan Marcos100–499 LIKELY ACTIVE
Honeywell InternationalSanta Clara— LIKELY ACTIVE
Merle Norman Cosmetics INCLos Angeles100–499 LIKELY ACTIVE
Novartis Institutes for Biomedical Research INCEmeryville— LIKELY ACTIVE
Nycote Laboratories CorporationNorth Hollywood— LIKELY ACTIVE
Person and CoveyGlendale20–99 LIKELY ACTIVE
Pliant Therapeutics INC.South San Francisco— LIKELY ACTIVE
Repsco, INC.Modesto20–99 LIKELY ACTIVE
Searles Valley Minerals INC.Trona— LIKELY ACTIVE
Sparsha Pharma USA INCOceanside1–19 LIKELY ACTIVE
Westcoat Specialty Coatings SystemsSan Diego20–99 LIKELY ACTIVE
Xandex INCPetaluma20–99 LIKELY ACTIVE
Zodiac Pool SystemsVista— LIKELY ACTIVE
Acp Noxtat, INC.Santa Ana1–19 UNVERIFIED
Armstrong Flooring INCSouth Gate— UNVERIFIED
Astc Polymers INCSanta Ana1–19 UNVERIFIED
Brizon INCEscondido1–19 UNVERIFIED
Cal Pac Chemical CO INCHuntington Park— UNVERIFIED
Concrete ChemicalsSan Carlos1–19 UNVERIFIED
Cosmetic Group USA INCSun Valley100–499 UNVERIFIED
C&r Plating INCLos Angeles— UNVERIFIED
Cure PharmaceuticalOxnard20–99 UNVERIFIED
Gabels CosmeticsLos Angeles1–19 UNVERIFIED
Gordon Laboratories INCCarson20–99 REPORTED CLOSED
Imperial Custom Cabinets INCLemon Grove1–19 UNVERIFIED
J & L Custom Plastic Extrusions INCSouth El Monte— UNVERIFIED
Kim Laube & Company INCOxnard20–99 UNVERIFIED
Malbert & Mitchell Grinding Services INCLa Habra1–19 UNVERIFIED
Mask-off Company, INCMonrovia— UNVERIFIED
Materia, INC.Pasadena20–99 UNVERIFIED
Orange County Powdercoating Co.,inc.Orange1–19 UNVERIFIED
Pro-chem Specialty ProductsNational City1–19 UNVERIFIED
Roche Molecular Systems INCSanta Clara— UNVERIFIED
Royal Gold LLCArcata— UNVERIFIED
Spongelle LLCInglewood20–99 UNVERIFIED
Visions Paint Recycling INCSacramento20–99 UNVERIFIED
888 Food CompanyTemple City— LIKELY ACTIVE
AbaxisUnion City— LIKELY ACTIVE
AbzenaSan Diego100–499 LIKELY ACTIVE
Advin Biotech INCSan Diego— LIKELY ACTIVE
Air Products and Chemicals Inc.- TorranceTorrance20–99 LIKELY ACTIVE
Amparo Medical Technologies, INC.Anaheim— LIKELY ACTIVE
Antibodies INCDavis— LIKELY ACTIVE
Aoc LLCPerris500+ LIKELY ACTIVE
Aptitude Medical Systems INCGoleta— LIKELY ACTIVE
AstraZeneca Pharmaceutical LP (Redwood City)Redwood City20–99 LIKELY ACTIVE
Autogenomics INCCarlsbad— LIKELY ACTIVE
Basf Metals LLCFremont20–99 LIKELY ACTIVE
Bayer Healthcare PharmaceuticalsBerkeley— LIKELY ACTIVE
Bfi - the Recyclery - LandfillSan Jose— LIKELY ACTIVE

Search all 5,130 facilities

All chemical manufacturing nationwide · All manufacturing in California