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 |
|---|---|---|---|
| Global Blood Therapeutics, INC. | South San Francisco | — | LIKELY ACTIVE |
| Heirloom-Brisbane | Brisbane | 100–499 | LIKELY ACTIVE |
| Iovance Biotherapeutics INC | San Carlos | — | LIKELY ACTIVE |
| Mirum Pharmaceuticals, INC. | Foster City | — | LIKELY ACTIVE |
| Pharmacyclics LLC | South San Francisco | — | LIKELY ACTIVE |
| Nymona INC. | San Mateo | — | LIKELY ACTIVE |
| 701 Gateway Center LLC | South San Francisco | — | UNVERIFIED |
| Abbvie Biotherapeutics INC | Redwood City | — | UNVERIFIED |
| Abbvie Stemcentrx LLC | South San Francisco | — | UNVERIFIED |
| Acelrx Pharmaceuticals INC | Redwood City | — | UNVERIFIED |
| Actelion Pharmaceuticals Us, INC | South San Francisco | — | UNVERIFIED |
| Adicet Bio INC | Menlo Park | — | UNVERIFIED |
| Adverum Biotechnologies INC | Menlo Park | — | UNVERIFIED |
| Adverum Biotechnologies INC | Redwood City | — | UNVERIFIED |
| Aerogen Pharma | San Mateo | — | UNVERIFIED |
| Aether | Menlo Park | — | UNVERIFIED |
| Aether Biomachines | South San Francisco | — | UNVERIFIED |
| Agenovir Corporation | South San Francisco | — | UNVERIFIED |
| Air Transport International | San Francisco | — | UNVERIFIED |
| Alexandria Real Estate Equities INC | South San Francisco | — | UNVERIFIED |
| All Pro Facility Supplies | South San Francisco | — | UNVERIFIED |
| Alza CORP | Menlo Park | — | UNVERIFIED |
| Alza Corporation | Redwood City | — | UNVERIFIED |
| Alza Corporation | Menlo Park | — | UNVERIFIED |
| Amacathera US INC | South San Francisco | — | UNVERIFIED |
| Ambys Medicine | Redwood City | — | UNVERIFIED |
| Ambys Medicines | South San Francisco | — | UNVERIFIED |
| Angel Pharmaceuticals US INC | Burlingame | — | UNVERIFIED |
| Ankasa Regenerative Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Ap Pharma | Redwood City | — | UNVERIFIED |
| Applied Biosystems INC | Foster City | — | UNVERIFIED |
| Applied Biosystems, LLC | Foster City | — | UNVERIFIED |
| Applied Molecular Transport | South San Francisco | — | UNVERIFIED |
| Applied Molecular Transport | South San Francisco | — | UNVERIFIED |
| Astrazeneca Pharmaceuticals LP | South San Francisco | — | UNVERIFIED |
| Audentes Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Audentes Therapeutics INC | South San Francisco | — | UNVERIFIED |
| Auto-chlor System of Northern Ca INC | South San Francisco | — | UNVERIFIED |
| Avellino Lab USA INC | Menlo Park | — | UNVERIFIED |
| Axys Pharmaceuticals INC | South San Francisco | — | UNVERIFIED |
| Baymedica LLC | South San Francisco | — | UNVERIFIED |
| Bd Genomics | Menlo Park | — | UNVERIFIED |
| Bettera Brands, LLC | South San Francisco | — | UNVERIFIED |
| Bighat Biosciences | San Mateo | — | UNVERIFIED |
| Biocellection INC | Menlo Park | — | UNVERIFIED |
| Biocellection INC | Menlo Park | — | UNVERIFIED |
| Biocheck INC | Foster City | — | UNVERIFIED |
| Biocheck INC | South San Francisco | — | UNVERIFIED |
| Bioelectromed CORP | Burlingame | — | UNVERIFIED |
| Bioforcetech Corporation | Redwood City | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California