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 California266 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Trace Neuroscience | South San Francisco | — | UNVERIFIED |
| Transcriptx INC | Menlo Park | — | UNVERIFIED |
| Twist Bioscience | South San Francisco | — | UNVERIFIED |
| United Stated Postal Service | San Mateo | — | UNVERIFIED |
| Unity Biotechnology | South San Francisco | — | UNVERIFIED |
| US Postal Service | San Mateo | — | UNVERIFIED |
| Vallejo's Auto Body | San Bruno | — | UNVERIFIED |
| Vaxart | Burlingame | — | UNVERIFIED |
| Vaxgen, INC | South San Francisco | — | UNVERIFIED |
| Vertility Health INC | San Carlos | — | UNVERIFIED |
| Vitality Biopharma Dba Percipio Bioscience INC | Burlingame | — | UNVERIFIED |
| Vitrolabs INC | South San Francisco | — | UNVERIFIED |
| Whitney Investments - Chess Drive Associates | Foster City | — | UNVERIFIED |
| X Gen US CO | South San Francisco | — | UNVERIFIED |
| Xomics Biopharma | San Carlos | — | UNVERIFIED |
| Yenzym Antibodies LLC | South San Francisco | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California