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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
Industrial Metal Processing, INCSantee— LIKELY ACTIVE
Innova Medical Group INCPasadena— LIKELY ACTIVE
Intematix CorporationFremont1–19 LIKELY ACTIVE
International Disposal Corporation ofSan Jose— LIKELY ACTIVE
International Medication Systems LTDSouth El Monte500+ LIKELY ACTIVE
Irp MedicalSan Clemente— LIKELY ACTIVE
John Bean Technologies CorporationMadera— LIKELY ACTIVE
Jsr Micro INCSunnyvale— LIKELY ACTIVE
K2 Pure SolutionsPittsburg20–99 LIKELY ACTIVE
K2 Pure Solutions - Pittsburg PlantPittsburg— LIKELY ACTIVE
Kaneka Americas Holding INCNewark— LIKELY ACTIVE
K C Pharmaceuticals INCPomona— LIKELY ACTIVE
Kemira Water Solutions, INC.Fontana— LIKELY ACTIVE
Kite PharmaEl Segundo500+ LIKELY ACTIVE
KovaGarden Grove— LIKELY ACTIVE
Laclede INCRancho Dominguez— LIKELY ACTIVE
Lens Technology I LLCLa Mirada— LIKELY ACTIVE
Lief OrganicsValencia20–99 LIKELY ACTIVE
Lumos DiagnosticsCarlsbad— LIKELY ACTIVE
Magsphere, INC.Pasadena— REPORTED CLOSED
McGuff Company, IncSanta Ana— LIKELY ACTIVE
Mecs INCMartinez20–99 LIKELY ACTIVE
Med for America, INC.Desert Hot Springs100–499 LIKELY ACTIVE
Med-pharmex INC - 2727Pomona100–499 LIKELY ACTIVE
Metalube CoatingCorona1–19 LIKELY ACTIVE
Microbiologics - San DiegoSan Diego20–99 LIKELY ACTIVE
Mira Loma Peaker Generating StationOntario— LIKELY ACTIVE
Mitsubishi Chemical GroupStockton20–99 LIKELY ACTIVE
Monobind INC.Lake Forest— LIKELY ACTIVE
Mytee LLCPoway20–99 LIKELY ACTIVE
Natera INCSan Carlos— LIKELY ACTIVE
Natrol LLCSanta Fe Springs20–99 LIKELY ACTIVE
Neilmed Pharmaceuticals INCSanta Rosa— LIKELY ACTIVE
Nexgen Pharma INCIrvine— LIKELY ACTIVE
Novabay PharmaceuticalsEmeryville— LIKELY ACTIVE
Nuconic PackagingVernon20–99 LIKELY ACTIVE
Nusano, INCValencia— LIKELY ACTIVE
One Stop Landscape SupplyRedlands— LIKELY ACTIVE
One Up Mfg 3Gardena— LIKELY ACTIVE
Our Powder Coating, INCSanta Fe Springs— LIKELY ACTIVE
Pacific Ethanol Madera LLCMadera— LIKELY ACTIVE
Pantex Div of Bio Analysis INCSanta Monica— LIKELY ACTIVE
Pci San Diego INCSan Diego100–499 LIKELY ACTIVE
Pelican Renewables, LLCStockton— LIKELY ACTIVE
Pencco Inc VernonVernon20–99 LIKELY ACTIVE
Performance Composites, INCCompton100–499 LIKELY ACTIVE
Pharmavite CorporationSan Fernando100–499 LIKELY ACTIVE
Prc - Desoto International, INC.Valencia— LIKELY ACTIVE
Preproduction Plastics, INCCorona— LIKELY ACTIVE
Price Transfer Y265Carson— LIKELY ACTIVE

Search all 5,050 facilities

All chemical manufacturing nationwide · All manufacturing in California