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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 California5,050 FACILITIES

FacilityCityEmployeesStatus
Mapei CORPSan Bernardino20–99 LIKELY ACTIVE
Miles Chemical CO INCAnaheim— LIKELY ACTIVE
Modern Custom Fabrication INCFresno20–99 LIKELY ACTIVE
Monco Products INCGarden Grove1–19 LIKELY ACTIVE
Monsanto CompanyMartinez— LIKELY ACTIVE
M P Associates INCIone100–499 LIKELY ACTIVE
Petrolite CORP Bakersfield Blend PlantBakersfield— LIKELY ACTIVE
Qualigen IcCarlsbad— LIKELY ACTIVE
Scientific Specialties INCLodi100–499 LIKELY ACTIVE
Sdc Technologies INCIrvine— LIKELY ACTIVE
Shell Chemical LP - Martinez Catayst PlantMartinez— LIKELY ACTIVE
Solomon Colors INCRialto20–99 LIKELY ACTIVE
Solvay USA INCMartinez— LIKELY ACTIVE
Thibiant InternationalChatsworth— LIKELY ACTIVE
Air Liquide, RodeoRodeo— LIKELY ACTIVE
Amrize Building Envelope LLCGarden Grove— LIKELY ACTIVE
Bachem Americas INC.Vista— LIKELY ACTIVE
Ccm EnterprisesSantee— LIKELY ACTIVE
Dura Coat Products INCRiverside— LIKELY ACTIVE
Gallade Chemical INCSanta Ana— LIKELY ACTIVE
Irisys INCSan Diego— LIKELY ACTIVE
Kmg Electronic Chemicals INCHollister— LIKELY ACTIVE
Miles Chemical Company, INC.Arleta— LIKELY ACTIVE
Newport LaminatesSanta Ana— LIKELY ACTIVE
Nexeo Solutions LLC FairfieldFairfield— LIKELY ACTIVE
Pharmavite LLCSan Fernando— LIKELY ACTIVE
Rhodia INC. - Dominguez PlantCarson— LIKELY ACTIVE
Separations Group Grace VydacHesperia— LIKELY ACTIVE
Shepard Brothers INCLa Habra— LIKELY ACTIVE
Stepan CompanyAnaheim— LIKELY ACTIVE
Techmer Pm LLCRancho Dominguez— LIKELY ACTIVE
Trical INC.Mojave— LIKELY ACTIVE
220 Laboratories, INC.Riverside— UNVERIFIED
Aldila INCPoway— UNVERIFIED
Alere San DiegoSan Diego— UNVERIFIED
Arlon, Materials for Electronics DivRancho Cucamonga— UNVERIFIED
Baxalta US INCLos Angeles— UNVERIFIED
Behr Process CORPSanta Ana— UNVERIFIED
Callaway Golf COCarlsbad— UNVERIFIED
Cci Chemical CorporationLos Angeles— UNVERIFIED
Certis USAWasco— UNVERIFIED
Chemical Compounding CompanyOakland— UNVERIFIED
Chem Lab Products, INC.Ontario— UNVERIFIED
Crop Production Services INCAlpaugh— UNVERIFIED
Custom Chemical Formulators inSanta Fe Springs— UNVERIFIED
Decco-cerexagri, INCMonrovia— UNVERIFIED
De Laval ManufacturingTurlock— UNVERIFIED
Dow Chemical COTorrance— UNVERIFIED
Ecolab, INC.City of Industry— UNVERIFIED
Energy Solutions (us) LLCCarson— UNVERIFIED

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California