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
Plants in California572 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Oes Equipment | San Diego | — | UNVERIFIED |
| Ohr Paharma LLC (ohr Pharmaceutical) | San Diego | — | UNVERIFIED |
| Oncosenx | San Diego | — | UNVERIFIED |
| Organic Recycling West INC | San Diego | — | UNVERIFIED |
| Organovo INC | San Diego | — | UNVERIFIED |
| Otay Mesa Compost Facility | San Diego | — | UNVERIFIED |
| Pacific Gmp | San Diego | — | UNVERIFIED |
| Pacific Surf Glass | San Diego | — | UNVERIFIED |
| Patterson Brother's Lighting INC | Lakeside | — | UNVERIFIED |
| Perceive Biotherapeutics | San Diego | — | UNVERIFIED |
| Phanes Therapeutics | San Diego | — | UNVERIFIED |
| Photography Outlet Dba Backdrop Outlet | Oceanside | — | UNVERIFIED |
| Pixel Imaging | Vista | — | UNVERIFIED |
| Plexium | San Diego | — | UNVERIFIED |
| Praxair Distribution INC. | San Diego | — | UNVERIFIED |
| Precision Neuroscience Newco INC | San Diego | — | UNVERIFIED |
| Primrose Bio INC | San Diego | — | UNVERIFIED |
| Prismatic Biotech | San Diego | — | UNVERIFIED |
| Procisedx | San Diego | — | UNVERIFIED |
| Prodermiq INC | San Diego | — | UNVERIFIED |
| Proteintech Genomics INC | San Diego | — | UNVERIFIED |
| Purepeg LLC | San Diego | — | UNVERIFIED |
| Purify Fuels, INC. | Otay Mesa | — | UNVERIFIED |
| Pwt Warehouse 1 | Vista | — | UNVERIFIED |
| Pwt Warehouse 2 | Vista | — | UNVERIFIED |
| Quidel Cardiovascular INC | San Diego | — | UNVERIFIED |
| Quidel Corporation | San Diego | — | UNVERIFIED |
| Quidel Corporation | San Diego | — | UNVERIFIED |
| Randall International, LLC | Carlsbad | — | UNVERIFIED |
| Reagents Applications INC | San Diego | — | UNVERIFIED |
| Remedy Holistic Pharmacy INC Remedy | San Diego | — | UNVERIFIED |
| Remedy Processors | Escondido | — | UNVERIFIED |
| Remedy Processors | San Diego | — | UNVERIFIED |
| Resincraft INC Dba Lamination San Deigo | San Diego | — | UNVERIFIED |
| Respect Nutrition LLC | San Marcos | — | UNVERIFIED |
| Respivant Sciences INC | San Diego | — | UNVERIFIED |
| Rhino Linings CORP | San Diego | — | UNVERIFIED |
| Richard Greenfield, M.d. | San Diego | — | UNVERIFIED |
| Rls (usa) INC | San Diego | — | UNVERIFIED |
| Rls (usa) INC | San Diego | — | UNVERIFIED |
| Rostam Reifschneider | San Diego | — | UNVERIFIED |
| Rqx Pharmaceuticals INC | La Jolla | — | UNVERIFIED |
| Sabryn Development, LLC | Carlsbad | — | UNVERIFIED |
| Safc Carlsbad Dba Milliporesigma | Carlsbad | — | UNVERIFIED |
| San Diego / Cell Based Meat Lab / Aes | San Diego | — | UNVERIFIED |
| Scantibodies Laboratory INC | Ramona | — | UNVERIFIED |
| Scantibodies Laboratory INC | Santee | — | UNVERIFIED |
| Scimedx LLC | Oceanside | — | UNVERIFIED |
| Scripps Laboratories | San Diego | — | UNVERIFIED |
| Sd Chem, INC | San Diego | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California