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 |
|---|---|---|---|
| Switch Therapeutics | South San Francisco | — | UNVERIFIED |
| Thornhill Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Tizona Theraputics INC | South San Francisco | — | UNVERIFIED |
| Topos Bio INC | South San Francisco | — | UNVERIFIED |
| Trace Neuroscience | South San Francisco | — | UNVERIFIED |
| Twist Bioscience | South San Francisco | — | UNVERIFIED |
| Unity Biotechnology | South San Francisco | — | UNVERIFIED |
| Vaxgen, INC | South San Francisco | — | UNVERIFIED |
| Vitrolabs INC | South San Francisco | — | UNVERIFIED |
| X Gen US CO | South San Francisco | — | UNVERIFIED |
| Yenzym Antibodies LLC | South San Francisco | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California