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
Intersect Ent, INC.	Menlo Park	—	● ACTIVE
Invivoscribe, INC.	San Diego	100–499	● ACTIVE
Jaymor Enterprises, INC.	Clovis	1–19	● ACTIVE
Kirkhill, INC.	Brea	—	● ACTIVE
Life Technologies Corporation	Carlsbad	—	● ACTIVE
Lin-zhi International, INC.	Santa Clara	20–99	● ACTIVE
List Biological Laboratories, INC.	Campbell	20–99	● ACTIVE
Mast Technologies, LLC	San Diego	1–19	● ACTIVE
Medical Chemical Corporation	Torrance	20–99	● ACTIVE
MMMedtronic Minimed	Northridge	500+	● ACTIVE
Monobind, INC.	Lake Forest	20–99	● ACTIVE
Moravek Biochemicals, INC	Brea	20–99	● ACTIVE
More Diagnostics INC	Los Osos	1–19	● ACTIVE
New Leaf Biofuel, LLC	San Diego	20–99	● ACTIVE
NWNew World Medical Incorporated	Rancho Cucamonga	100–499	● ACTIVE
Nittobo America INC.	Murrieta	—	● ACTIVE
NBNoodle & Boo, INC.	Los Gatos	1–19	● ACTIVE
Pacific Scientific Energetic Materials Company (california Llc)	Hollister	—	● ACTIVE
PTPhibro Tech INC	Santa Fe Springs	20–99	● ACTIVE
PUPiercan Usa, INC	San Marcos	20–99	● ACTIVE
Polymer Concepts Technologies Pby, INC.	Apple Valley	20–99	● ACTIVE
Protab Laboratories	Foothill Ranch	—	● ACTIVE
Regenesis Bioremediation Products	San Clemente	20–99	● ACTIVE
Reinhold Industries INC	Santa Fe Springs	—	● ACTIVE
Reltek, LLC	Santa Rosa	1–19	● ACTIVE
Seaco Technologies, INC.	Bakersfield	20–99	● ACTIVE
SCShell Catalysts &technologies	Bay Point	1–19	● ACTIVE
Sila Nanotechnologies, INC.	Alameda	100–499	● ACTIVE
Stason Pharmaceuticals, INC.	Irvine	1–19	● ACTIVE
SESumitomo Electric Interconnect Products, INC.	San Marcos	100–499	● ACTIVE
TMTaft Manufacturing Company	Taft	1–19	● ACTIVE
Takara Bio Usa, INC.	San Jose	—	● ACTIVE
Teledyne Risi, INC.	Tracy	20–99	● ACTIVE
Thatcher Company of California, INC.	Sacramento	20–99	● ACTIVE
Toray Advanced Composites Usa, INC.	Morgan Hill	100–499	● ACTIVE
UPUrethane Polymers International	Fontana	20–99	● ACTIVE
Vacuum Process Engineering, INC.	Sacramento	—	● ACTIVE
Vista Paint Corporation	Fullerton	100–499	● ACTIVE
Vivus LLC	Campbell	20–99	● ACTIVE
Vmrd, INC	Fullerton	—	● ACTIVE
West American Rubber Company, LLC.	Orange	100–499	● ACTIVE
W.h.p.m., INC.	Irwindale	—	● ACTIVE
Yenzym Antibodies, LLC	Brisbane	—	● ACTIVE
Above All Printworks	San Fernando	—	● ACTIVE
Aemetis, INC.	Cupertino	20–99	● ACTIVE
Aerojet Rocketdyne of De, INC	Canoga Park	—	● ACTIVE
Affimedix, INC.	Hayward	—	● ACTIVE
AUAirgas Usa, LLC	Sacramento	—	● ACTIVE
Alere San Diego, INC.	Pomona	—	● ACTIVE
Alliance Coatings, INC.	El Cajon	—	● ACTIVE

Search all 5,132 facilities