FactoryRegistry

Chemical Manufacturing in California

NAICS 325 · CA

As of JUL 2026, FactoryRegistry lists 5,062 chemical manufacturing facilities in California, sourced from EPA, OSHA and Census records.

FACILITIES
5,062
SHARE OF STATE MANUFACTURING
10.2%
of 49,721 in California
CITIES REPRESENTED
10
TOP CITY
San Diego
357 facilities

Cities in California

San Diego (357)Los Angeles (176)South San Francisco (120)Irvine (90)San Francisco (83)Hayward (80)San Jose (75)Carlsbad (68)Santa Fe Springs (67)Fremont (65)

Facilities

Denali Therapeutics INC.
South San Francisco, CA
ACTIVE325412EMP 100-499
Dinsmore & Associates, LLC
Irvine, CA
ACTIVE325211EMP 20-99
Dlc Laboratories, INC.
Paramount, CA
ACTIVE325412EMP 20-99
International Coatings Co, INC
Cerritos, CA
ACTIVE325510EMP 20-99
Teledyne Risi, INC.
Tracy, CA
ACTIVE325920EMP 20-99
280 Earth, INC.
Palo Alto, CA
ACTIVE325998EMP 1-19
Allblack Co., INC.
Whittier, CA
ACTIVE325510EMP 20-99
Biolog, INC.
Hayward, CA
ACTIVE325413EMP 20-99
Eckert & Ziegler Isotope Products, INC.
Valencia, CA
ACTIVE325180EMP 20-99
Epmar Corporation
Whittier, CA
ACTIVE325510EMP 20-99
Gfp Ethanol, LLC
Pixley, CA
ACTIVE325193EMP 20-99
Golden State Medical Supply, INC.
Camarillo, CA
ACTIVE325412EMP 100-499
Invivoscribe, INC.
San Diego, CA
ACTIVE325413EMP 100-499
Ionis Pharmaceuticals, INC.
Carlsbad, CA
ACTIVE325411EMP 500+
Mast Technologies, LLC
San Diego, CA
ACTIVE325211EMP 1-19
Moravek Biochemicals, INC
Brea, CA
ACTIVE325412EMP 20-99
Stason Pharmaceuticals, INC.
Irvine, CA
ACTIVE325412EMP 1-19
Thatcher Company of California, INC.
Sacramento, CA
ACTIVE325180EMP 20-99
Vista Paint Corporation
Fullerton, CA
ACTIVE325510EMP 100-499
Above All Printworks
San Fernando, CA
LIKELY ACTIVE323113
Abzena
San Diego, CA
LIKELY ACTIVE325412EMP 100-499
Air Products & Chemicals - Martinez
Martinez, CA
LIKELY ACTIVE325120EMP 20-99
Alliance Medical Products INC
Irvine, CA
LIKELY ACTIVE325412
Allure Labs, INC.
Hayward, CA
LIKELY ACTIVE325611EMP 100-499
Amcor American Canyon LLC
American Canyon, CA
LIKELY ACTIVE323111EMP 20-99
American Laminates
Riverbank, CA
LIKELY ACTIVE321999EMP 20-99
Amphastar Pharmaceuticals, INC.
Rancho Cucamonga, CA
LIKELY ACTIVE325412
Anaerobe Systems
Morgan Hill, CA
LIKELY ACTIVE325413
Angelus Shoe Polish Company INC
Santa Fe Springs, CA
LIKELY ACTIVE325222EMP 20-99
Antibodies Incorporated
Davis, CA
LIKELY ACTIVE325412
Aoc LLC
Perris, CA
LIKELY ACTIVE325211EMP 500+
Arcutis Biotherapeutics, INC.
Westlake Village, CA
LIKELY ACTIVE325412
Automat Solutions INC
San Leandro, CA
LIKELY ACTIVE325998
Avid Bioservices INC
Tustin, CA
LIKELY ACTIVE325414
Basf Corporation
Orange, CA
LIKELY ACTIVE325211EMP 20-99
Basf Metals LLC
Fremont, CA
LIKELY ACTIVE325613EMP 20-99
Baxter Healthcare INC
Hayward, CA
LIKELY ACTIVE325412EMP 100-499
Berkeley Nutritional Manufacturing CORP.
Livermore, CA
LIKELY ACTIVE311511EMP 20-99
Beta Bionics
Irvine, CA
LIKELY ACTIVE325412EMP 100-499
Biomarin Pharmaceutical
Novato, CA
LIKELY ACTIVE325412EMP 500+
Biomarin Pharmaceutical INC
San Rafael, CA
LIKELY ACTIVE325412
Biomerics Interventional Medical Plastics LLC
Fairfield, CA
LIKELY ACTIVE325211EMP 20-99
Boehringer Ingelheim Fremont
Fremont, CA
LIKELY ACTIVE325412EMP 500+
Bondline Electronic Adhesive Corporation
Sunnyvale, CA
LIKELY ACTIVE325520
Bryant Rubber Corporation
Long Beach, CA
LIKELY ACTIVE325212EMP 20-99
California Organic Fertilizers INC
Hanford, CA
LIKELY ACTIVE325311
Canary Renewables CORP.
Stockton, CA
LIKELY ACTIVE325199
C. E. Frey Engineering LLC
Duarte, CA
LIKELY ACTIVE325520
Cell Marque CORP.
Rocklin, CA
LIKELY ACTIVE325413EMP 100-499
Church & Dwight CO. INC
Victorville, CA
LIKELY ACTIVE325611EMP 100-499

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