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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 California1,637 FACILITIES

Listing 1,637 of 5,132: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Alliance Medical Products INCIrvine— ACTIVE
Alpha Teknova, INC.Hollister— ACTIVE
Amerstem, INC.Camarillo— ACTIVE
Amphastar Pharmaceuticals, INC.Rancho Cucamonga— ACTIVE
Ams Coatings, INC.Santa Ana— ACTIVE
Anthro Energy INCAlameda— ACTIVE
Applied Biocode INCSanta Fe Springs— ACTIVE
Arris Composites, INC.Berkeley— ACTIVE
Automat Solutions INCSan Leandro— ACTIVE
Avid Bioservices INCTustin— ACTIVE
Baxter Healthcare INCHayward100–499 ACTIVE
B Braun US Pharmaceutical Mfg LLCIrvine500+ ACTIVE
Beckman Coulter, INCBrea— ACTIVE
Becton, Dickinson and CompanyMilpitas— ACTIVE
Big Eye Diagnostics INCSan Diego1–19 ACTIVE
Binding Site, Inc., theSan Diego— ACTIVE
Biolegend, INC.San Diego— ACTIVE
Bio Rad Laboratories INCHercules— ACTIVE
Bio-rad Laboratories, INC.Hercules— ACTIVE
Blaine Laboratories, INC.Santa Fe Springs— ACTIVE
C. E. Frey Engineering LLCDuarte— ACTIVE
Cell Marque CORP.Rocklin100–499 ACTIVE
Cerus CorporationConcord— ACTIVE
Charm Industrial INCSan Francisco— ACTIVE
Cliawaived, INC.Carlsbad— ACTIVE
Coherus Oncology, INC.Redwood City100–499 ACTIVE
Complete Welders SupplyNapa— ACTIVE
Cosmoceutical Research Center, INC.Panorama City1–19 ACTIVE
Cwgc La INC.Chino— ACTIVE
Davlin Coatings LLCBerkeley— ACTIVE
Diasorin Molecular, LLCCypress1–19 ACTIVE
Diazyme Laboratories INCPoway— ACTIVE
Dompe U.s. INC.San Mateo— ACTIVE
Dunn-edwards CORPCommerce— ACTIVE
Dynavax Technologies CorporationEmeryville— ACTIVE
Elastapro Silicone Sheeting LLCSanta Fe Springs— ACTIVE
Energetix Solutions INCWalnut Creek1–19 ACTIVE
Engel & Gray, INCSanta Maria— ACTIVE
Eteco, INC.Santa Ana— ACTIVE
Firefree Coatings INCNovato1–19 ACTIVE
Fujifilm Biosciences INC.Santa Ana— ACTIVE
Gecko Materials, PbcCampbell— ACTIVE
Gemini Bioproducts LLCWest Sacramento— ACTIVE
Genentech INCSouth San Francisco— ACTIVE
General Matter, INC.San Francisco1–19 ACTIVE
Gentegra LLCPleasanton— ACTIVE
Gilead Sciences INCFoster City— ACTIVE
Golden State Medical Supply, INC.Camarillo100–499 ACTIVE
Greenway Biotech, INC.Madera— ACTIVE
Grifols USA LLCLos Angeles500+ ACTIVE

Search all 5,132 facilities

All chemical manufacturing nationwide · All manufacturing in California