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 California287 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Honeywell International | Santa Clara | — | LIKELY ACTIVE |
| Alza Corporation | Palo Alto | — | UNVERIFIED |
| American Custom Marble INC | San Jose | — | UNVERIFIED |
| Concise Separations | San Jose | — | UNVERIFIED |
| Diagnostics for the Real World | Sunnyvale | — | UNVERIFIED |
| Hewlett Packard Mfg Div | Palo Alto | — | UNVERIFIED |
| Hitachi Chemical Advanced Therapeutics Solutions | Mountain View | — | UNVERIFIED |
| Jasco Chemical CORP | Mountain View | — | UNVERIFIED |
| Minaris Regenerative Medicine | Mountain View | — | UNVERIFIED |
| Nanosys | Milpitas | — | UNVERIFIED |
| Reliance Technical Services | Sunnyvale | — | UNVERIFIED |
| Roche Molecular Systems INC | Santa Clara | — | UNVERIFIED |
| Roche Sequencing Solutions | San Jose | — | UNVERIFIED |
| Syntex USA INC. | Palo Alto | — | UNVERIFIED |
| Syva Company - Dade Behring | Cupertino | — | UNVERIFIED |
| Technical Coatings CO | Santa Clara | — | UNVERIFIED |
| The Scotts Company | Milpitas | — | UNVERIFIED |
| Aemetis Biogas 1 LLC | Cupertino | — | LIKELY ACTIVE |
| Aemetis Biogas 3 LLC | Cupertino | — | LIKELY ACTIVE |
| Aemetis Biogas 8 LLC | Cupertino | — | LIKELY ACTIVE |
| Aemetis Health Products INC | Cupertino | — | LIKELY ACTIVE |
| Blue Planet Systems Corporation | Los Gatos | — | LIKELY ACTIVE |
| Currier Mos Plastics, LLC | San Jose | — | LIKELY ACTIVE |
| Cyagen Biomodels LLC | Santa Clara | — | LIKELY ACTIVE |
| DURECT Cupertino | Cupertino | 1–19 | LIKELY ACTIVE |
| Eco Blca | San Jose | — | LIKELY ACTIVE |
| JSR - Sunnyvale | Sunnyvale | 100–499 | LIKELY ACTIVE |
| Miltenyi Biotec San Jose | San Jose | 100–499 | LIKELY ACTIVE |
| Mitopower LLC | East Palo Alto | — | LIKELY ACTIVE |
| Pyromeral Technology, INC | Sunnyvale | — | LIKELY ACTIVE |
| San Jose Site | San Jose | 20–99 | LIKELY ACTIVE |
| Scilex Pharmaceuticals INC. | Palo Alto | — | LIKELY ACTIVE |
| SOFIE - Gilroy | Gilroy | 20–99 | LIKELY ACTIVE |
| Trical INC | Gilroy | — | LIKELY ACTIVE |
| Aleph Therapeutics, INC. | Stanford | — | LIKELY ACTIVE |
| Wellsim Biomedical Technologies INC | San Jose | — | LIKELY ACTIVE |
| 155 South Milpitas Blvd | Milpitas | — | UNVERIFIED |
| 3400 Bassett, LLC | Santa Clara | — | UNVERIFIED |
| 3d Technology Laboratories | Mountain View | — | UNVERIFIED |
| 3m Company | Cupertino | — | UNVERIFIED |
| 5301 Patrick Henry, LLC | Santa Clara | — | UNVERIFIED |
| 700 Canaan Investments CA LLC | Morgan Hill | — | UNVERIFIED |
| Abbott Laboratories | Santa Clara | — | UNVERIFIED |
| Abode Services | Sunnyvale | — | UNVERIFIED |
| Accutech LLC | Sunnyvale | — | UNVERIFIED |
| Affymax, INC | Palo Alto | — | UNVERIFIED |
| Ahk Electronic Sheet Metal, INC | Morgan Hill | — | UNVERIFIED |
| Air Liquide Hydrogen Station Palo Alto | Palo Alto | — | UNVERIFIED |
| Air Products Manufacturing Cor | Santa Clara | — | UNVERIFIED |
| Alexa Pharmaceuticals | Mountain View | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California