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

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.

Facility	City	Employees	Status
Harris Industrial Gases	Citrus Heights	—	● ACTIVE
Haztech Systems, INC.	Mariposa	—	● ACTIVE
Heirloom Carbon Technologies, INC.	Brisbane	—	● ACTIVE
Huntsman Advanced Materials Americas LLC	Los Angeles	—	● ACTIVE
Hyginix LLC	San Diego	1–19	● ACTIVE
Ihealth Labs INC.	Sunnyvale	—	● ACTIVE
Ihealth Manufacturing INC	Irwindale	—	● ACTIVE
Independent Ink, INC	Gardena	—	● ACTIVE
Inflammatix, INC.	Sunnyvale	—	● ACTIVE
Innovative Coatings Technology Corporation	Mojave	—	● ACTIVE
IDInova Diagnostics	San Diego	—	● ACTIVE
Integral Products, INC.	Harbor City	—	● ACTIVE
Ionis Pharmaceuticals, INC.	Carlsbad	500+	● ACTIVE
Isca Technologies, INC.	Riverside	20–99	● ACTIVE
Jazz Pharmaceuticals, INC	Palo Alto	500+	● ACTIVE
Kaneka Aerospace LLC	Benicia	—	● ACTIVE
Lumiquick Diagnostics, INC.	Santa Clara	—	● ACTIVE
Lyten, INC.	San Jose	—	● ACTIVE
Maverick Abrasives Corporation	Anaheim	—	● ACTIVE
Miltenyi Biotec, INC.	Auburn	—	● ACTIVE
Mv Advanced, INC	Berkeley	—	● ACTIVE
Norchem CORP	Los Angeles	20–99	● ACTIVE
NTNusil Technology LLC	Carpinteria	—	● ACTIVE
Nycote Laboratories Corporation	Santa Clarita	—	● ACTIVE
Osang LLC	South Pasadena	—	● ACTIVE
Osel, INC.	Mountain View	—	● ACTIVE
Paint-chem INC.	Los Angeles	—	● ACTIVE
Palogen, INC.	Fremont	—	● ACTIVE
Patz Materials and Technologies LLC	Benicia	—	● ACTIVE
Percusense, INC	Valencia	—	● ACTIVE
Performance Engineered Products INC	Pomona	—	● ACTIVE
Perimeter Solutions LP	Rancho Cucamonga	—	● ACTIVE
Pharmavite LLC	West Hills	500+	● ACTIVE
Phase Diagnositics, INC.	Garden Grove	—	● ACTIVE
Polymer Innovations, INC.	Vista	1–19	● ACTIVE
Product Slingshot INC	Carlsbad	—	● ACTIVE
Prolacta Bioscience, INC	City of Industry	—	● ACTIVE
PBPylum Biosciences, INC.	San Carlos	—	● ACTIVE
QCQuidelOrtho Cardiovascular	San Diego	500+	● ACTIVE
Quino Energy INC	San Leandro	—	● ACTIVE
Revolution Medicines, INC.	Redwood City	—	● ACTIVE
Reynolds Graphic Arts Corporation	El Cajon	1–19	● ACTIVE
RSReynolds Systems, INC	Middletown	20–99	● ACTIVE
Roklin Systems, INC.	Ventura	1–19	● ACTIVE
Ronatec C2c INC	Oceanside	1–19	● ACTIVE
Rs Hughes CO INC	Vista	—	● ACTIVE
Seegene Usa, INC.	Irvine	—	● ACTIVE
Shield Ai INC	San Diego	—	● ACTIVE
SDSiro Diagnostics, INC.	San Diego	—	● ACTIVE
Specialized Coating Services, LLC	Fremont	—	● ACTIVE

Search all 5,132 facilities