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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 5,132 facilities in California. The AOC LLC facility in Perris employs 1,860 people, according to 2025 data.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Los Angeles1,204San Diego585Orange480Alameda409Santa Clara278San Bernardino277San Mateo267Riverside174

Biggest cities

Plants in California181 FACILITIES

Listing 181 of 585: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Acon Laboratories, INC.San Diego— ACTIVE
Argonaut Manufacturing Services, INC.Carlsbad100–499 ACTIVE
Ctk Biotech, INC.Poway— ACTIVE
Dexcom, INC.San Diego— ACTIVE
Invivoscribe, INC.San Diego100–499 ACTIVE
Life Technologies CorporationCarlsbad— ACTIVE
Mast Technologies, LLCSan Diego1–19 ACTIVE
New Leaf Biofuel, LLCSan Diego20–99 ACTIVE
Piercan Usa, INCSan Marcos20–99 ACTIVE
Sumitomo Electric Interconnect Products, INC.San Marcos100–499 ACTIVE
Alliance Coatings, INC.El Cajon— ACTIVE
Big Eye Diagnostics INCSan Diego1–19 ACTIVE
Binding Site, Inc., theSan Diego— ACTIVE
Cliawaived, INC.Carlsbad— ACTIVE
Diazyme Laboratories INCPoway— ACTIVE
Hyginix LLCSan Diego1–19 ACTIVE
Inova DiagnosticsSan Diego— ACTIVE
Polymer Innovations, INC.Vista1–19 ACTIVE
Product Slingshot INCCarlsbad— ACTIVE
QuidelOrtho CardiovascularSan Diego500+ ACTIVE
Reynolds Graphic Arts CorporationEl Cajon1–19 ACTIVE
Ronatec C2c INCOceanside1–19 ACTIVE
Rs Hughes CO INCVista— ACTIVE
Shield Ai INCSan Diego— ACTIVE
Siro Diagnostics, INC.San Diego— ACTIVE
Waterdog Products, INC.El Cajon— ACTIVE
Zmi Pharma, INCCarlsbad— ACTIVE
1 Stop Toner & Inkjet, LLCCarlsbad— ACTIVE
Active Life INC.El Cajon— ACTIVE
Aequor INC.Encinitas— ACTIVE
Ars Pharmaceuticals Operations, INC.San Diego— ACTIVE
Artis Biosolutions LLCCarlsbad— ACTIVE
BD BioscienceSan Diego100–499 ACTIVE
Blazetamer USA LLCSan Diego— ACTIVE
Cal Coast Pest Management INCNational City— ACTIVE
Cellibre, INC.San Diego— ACTIVE
Cellics Therapeutics INCSan Diego— ACTIVE
Cosmo Bio USA INCCarlsbad— ACTIVE
Crinetics Pharmaceuticals, INCSan Diego— ACTIVE
Defined Bioscience INCSan Diego— ACTIVE
Energysource Minerals, LLCCarlsbad— ACTIVE
Epigen Biosciences INCSan Diego— ACTIVE
Evofem Biosciences, INC.San Diego— ACTIVE
Genlantis Diagnostics, INCSan Diego— ACTIVE
Greos, LLCCarlsbad— ACTIVE
HydrovidaCarlsbad— ACTIVE
Karmanterra, LLCEncinitas— ACTIVE
Kura Oncology, INCSan Diego— ACTIVE
Lifeome Biolabs INCSan Diego— ACTIVE
Mighty Fire Breaker LLCOceanside— ACTIVE

Search all 5,132 facilities

All chemical manufacturing nationwide · All manufacturing in California