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 California111 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Distributed Bio INC | South San Francisco | — | UNVERIFIED |
| D J Simpson Company | South San Francisco | — | UNVERIFIED |
| Driver Bioengineering | South San Francisco | — | UNVERIFIED |
| Elan Pharmaceuticals | South San Francisco | — | UNVERIFIED |
| Eureka Chemical Company | South San Francisco | — | UNVERIFIED |
| Evolutionaryscale Pbc | South San Francisco | — | UNVERIFIED |
| Fibrogen INC | South San Francisco | — | UNVERIFIED |
| Five Prime Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Genedit | South San Francisco | — | UNVERIFIED |
| Genentech INC | South San Francisco | — | UNVERIFIED |
| Genentech INC | South San Francisco | — | UNVERIFIED |
| Genentech, INC. | South San Francisco | — | UNVERIFIED |
| Genentech INC - B35/38 | South San Francisco | — | UNVERIFIED |
| Genentech INC - Grandview | South San Francisco | — | UNVERIFIED |
| Gi Ets Oyster Point LLC | South San Francisco | — | UNVERIFIED |
| Global Solutions for Infectious Diseases | South San Francisco | — | UNVERIFIED |
| Hcp Btc LLC | South San Francisco | — | UNVERIFIED |
| Hcp Btc LLC | South San Francisco | — | UNVERIFIED |
| Hcp C/o Britannia Gateway | South San Francisco | — | UNVERIFIED |
| Hcp INC. C/o Cbre INC | South San Francisco | — | UNVERIFIED |
| Healthpeak Properties INC. C/o Cbre | South San Francisco | — | UNVERIFIED |
| Horizon Therapeutics | South San Francisco | — | UNVERIFIED |
| Ici Paints | South San Francisco | — | UNVERIFIED |
| Imago Biosciences INC | South San Francisco | — | UNVERIFIED |
| Intolerant Antibodies INC | South San Francisco | — | UNVERIFIED |
| Jajco INC Dba Anchor Drugs Iii | South San Francisco | — | UNVERIFIED |
| Janssen Alzheimer Immunotherapy | South San Francisco | — | UNVERIFIED |
| Janssen Research & Development LLC | South San Francisco | — | UNVERIFIED |
| Jlabs/jlabs/grace Science LLC | South San Francisco | — | UNVERIFIED |
| Juul Labs, INC. | South San Francisco | — | UNVERIFIED |
| Laboratory Skin Care INC | South San Francisco | — | UNVERIFIED |
| Life Technologies | South San Francisco | — | UNVERIFIED |
| Macrogenics West INC | South San Francisco | — | UNVERIFIED |
| Meissa Vaccines | South San Francisco | — | UNVERIFIED |
| Merge Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Mindera Corporation | South San Francisco | — | UNVERIFIED |
| Ngm Biopharmaceuticals INC | South San Francisco | — | UNVERIFIED |
| Olfera Corporation | South San Francisco | — | UNVERIFIED |
| Rapt Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Raven Biotechnologies INC | South San Francisco | — | UNVERIFIED |
| Readyspaces | South San Francisco | — | UNVERIFIED |
| Revmab Biosciences USA INC | South San Francisco | — | UNVERIFIED |
| Root Division | South San Francisco | — | UNVERIFIED |
| Shinobi Therapeutics INC. | South San Francisco | — | UNVERIFIED |
| Silver Creek Pharmaceuticals INC | South San Francisco | — | UNVERIFIED |
| Siteone Therapeutics | South San Francisco | — | UNVERIFIED |
| Solazyme INC | South San Francisco | — | UNVERIFIED |
| Spiral Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Sunesis Pharmaceuticals INC | South San Francisco | — | UNVERIFIED |
| Sutro Biopharma | South San Francisco | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California