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 |
|---|---|---|---|
| Former Baron-blackeslee Facility, 248 Harbor Blvd, Belmont, Ca | Belmont | — | UNVERIFIED |
| Former Baron-blakeslee Facility, 260 Harbor Blvd, Belmont, Ca | Belmont | — | UNVERIFIED |
| Furcifer INC | Menlo Park | — | UNVERIFIED |
| Gary Hoss | Redwood City | — | UNVERIFIED |
| Genedit | South San Francisco | — | UNVERIFIED |
| Genentech INC | South San Francisco | — | UNVERIFIED |
| Genentech INC | South San Francisco | — | UNVERIFIED |
| Genentech INC | Redwood City | — | UNVERIFIED |
| Genentech, INC. | South San Francisco | — | UNVERIFIED |
| Genentech INC - B35/38 | South San Francisco | — | UNVERIFIED |
| Genentech INC - Grandview | South San Francisco | — | UNVERIFIED |
| Genomic Health INC | Redwood City | — | UNVERIFIED |
| Geron CORP | Menlo Park | — | UNVERIFIED |
| Gi Ets Oyster Point LLC | South San Francisco | — | UNVERIFIED |
| Global Solutions for Infectious Diseases | South San Francisco | — | UNVERIFIED |
| Granite Excavation and Demolition | Colma | — | UNVERIFIED |
| Hans O. Ribi and Mary Anne Ribi, Trustees of the Ribi Living Trust | Burlingame | — | UNVERIFIED |
| Harpoon Therapeutics INC | Brisbane | — | 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 | Redwood City | — | UNVERIFIED |
| Healthpeak Properties INC. C/o Cbre | South San Francisco | — | UNVERIFIED |
| Heritable Agriculture | San Carlos | — | UNVERIFIED |
| Horizon Therapeutics | South San Francisco | — | UNVERIFIED |
| Htec | Woodside | — | UNVERIFIED |
| Ici Paints | South San Francisco | — | UNVERIFIED |
| Imago Biosciences INC | South San Francisco | — | UNVERIFIED |
| Inflammatix, INC. | Redwood City | — | UNVERIFIED |
| Intermune INC | Brisbane | — | 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 |
| Jasper Therapeutics | Redwood City | — | UNVERIFIED |
| Jlabs/jlabs/grace Science LLC | South San Francisco | — | UNVERIFIED |
| Jubilant Draximage INC Dba Jubilant Radiopharma | S San Fran | — | UNVERIFIED |
| Juul Labs, INC. | South San Francisco | — | UNVERIFIED |
| Juvaris Biotherapeutics, INC | Burlingame | — | UNVERIFIED |
| Kelly-moore Paint Co, INC | San Carlos | — | UNVERIFIED |
| Kit Bio INC | Brisbane | — | UNVERIFIED |
| Laboratory Skin Care INC | South San Francisco | — | UNVERIFIED |
| Life Technologies | South San Francisco | — | UNVERIFIED |
| Life Technologies Corporation | Foster City | — | UNVERIFIED |
| Macrogenics West INC | South San Francisco | — | UNVERIFIED |
| Mango Materials | Redwood City | — | UNVERIFIED |
| Marubeni Specialty Chemical INC | Burlingame | — | UNVERIFIED |
| Medterials INC | San Carlos | — | UNVERIFIED |
| Meissa Vaccines | South San Francisco | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California