Chemicals manufacturers in California
California has 1,700 chemicals establishments employing 91,781 people (Census, 2023), and EPA's ECHO database lists 4,424 active chemicals facilities in the state. By employment it is California's number 5 manufacturing industry, and California ranks first among states for it.
- NAICS subsector
- 325
- Chemical Manufacturing
- Establishments
- 1,700
- Census 2023
- Employees
- 91,781
- Census 2023
- In EPA records
- 4,424
- With a page here
- 21
- Revised
- November 11, 2026
Chemicals factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Ablestik Laboratories | Adhesive Manufacturing | Compton |
| Agrium U S Incorporated | Nitrogenous Fertilizer Manufacturing | West Sacramento |
| Air Products and Chemicals, Inc. | Industrial Gas Manufacturing | Carson |
| Air Products and Chemicals, Inc. | Industrial Gas Manufacturing | Wilmington |
| Aoc, LLC | Plastics Material and Resin Manufacturing | Perris |
| B Braun Medical | Pharmaceutical Preparation Manufacturing | Irvine |
| Baxalta US Inc | Biological Product (except Diagnostic) Manufacturing | Los Angeles |
| Corteva Agriscience - Pittsburg Operations | Pesticide and Other Agricultural Chemical Manufacturing | Pittsburg |
| Engineered Polymer Solutions | Plastics Material and Resin Manufacturing | Commerce |
| Equilon Enterprises - Shell Oil Products - Dominguez Plant | Other Basic Inorganic Chemical Manufacturing | Carson |
| Industrial Polychemical | Adhesive Manufacturing | Gardena |
| J.r. Simplot Company | Nitrogenous Fertilizer Manufacturing | Lathrop |
| Jr Simplot | Nitrogenous Fertilizer Manufacturing | Helm |
| Laird Coatings Corporation | Paint and Coating Manufacturing | Huntington Beach |
| New Basis (Frmly Associated Plastics) | Custom Compounding of Purchased Resins | Riverside |
| Newport Laminates | Plastics Material and Resin Manufacturing | Santa Ana |
| Pacific Ethanol Madera LLC | Ethyl Alcohol Manufacturing | Madera |
| Pelican Renewables, LLC | Ethyl Alcohol Manufacturing | Stockton |
| Procter & Gamble | All Other Basic Organic Chemical Manufacturing | Sacramento |
| Shell Catalysts &technologies | Other Basic Inorganic Chemical Manufacturing | Bay Point |
| Tesoro Golden Eagle Refinery | All Other Basic Organic Chemical Manufacturing | Martinez |
These are the California chemicals facilities that report to EPA's Toxics Release Inventory. The other 4,403 in EPA records don't have a page yet.
What these factories make
- All Other Basic Organic Chemical Manufacturing (NAICS 325199): 6 facilities
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180): 4 facilities
- Nitrogenous Fertilizer Manufacturing (NAICS 325311): 3 facilities
- Industrial Gas Manufacturing (NAICS 325120): 3 facilities
- Plastics Material and Resin Manufacturing (NAICS 325211): 3 facilities
- Adhesive Manufacturing (NAICS 325520): 2 facilities
- Pesticide and Other Agricultural Chemical Manufacturing (NAICS 325320): 2 facilities
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998): 2 facilities
- Paint and Coating Manufacturing (NAICS 325510): 2 facilities
- Phosphatic Fertilizer Manufacturing (NAICS 325312): 2 facilities
Where they cluster
Cities with the most active chemicals facilities in EPA records: San Diego (345), Los Angeles (199), San Jose (80), South San Francisco (78), San Francisco (76).
Chemicals manufacturing across the US. Everything made in California.