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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 California79 FACILITIES

FacilityCityEmployeesStatus
Intarcia TherapeuticsHayward— UNVERIFIED
Intarcia Therapeutics, INCHayward— UNVERIFIED
Kiverdi INCHayward— UNVERIFIED
Laboratory Skin Care INCHayward— UNVERIFIED
La FamiliaHayward— UNVERIFIED
Lbn, INCHayward— UNVERIFIED
Lindzi TranHayward— UNVERIFIED
Lonza BiologicsHayward— UNVERIFIED
Lonza HaywardHayward— UNVERIFIED
Luminex CorporationHayward— UNVERIFIED
Neopoxy International, INC.Hayward— UNVERIFIED
O'connor & Sons, INC. Dba Hydrex Pest Control WestHayward— UNVERIFIED
Perfect ReflectionsHayward— UNVERIFIED
Petnet SolutionsHayward— UNVERIFIED
Pioneer Hi-bred InternationalHayward— UNVERIFIED
Planet Biotechnology INCHayward— UNVERIFIED
Planter Technology INCHayward— UNVERIFIED
Plasmatreat Usa, INCHayward— UNVERIFIED
Prozyme, INCHayward— UNVERIFIED
P & S SalesHayward— UNVERIFIED
R&g Northern California Enterprises INC Dba Digital Paper SourceHayward— UNVERIFIED
Sanitation Process Control LLCHayward— UNVERIFIED
Soprema, INCHayward— UNVERIFIED
Stiles Paint Mfg INCHayward— UNVERIFIED
Sun Deep, INC.Hayward— UNVERIFIED
Surtec INCHayward— UNVERIFIED
Valspar CoatingsHayward— UNVERIFIED
Virovek IncorporationHayward— UNVERIFIED
Virovek IncorporationHayward— UNVERIFIED

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California