Manufacturing in San Mateo County, California
The register lists 1,126 facilities in San Mateo, California. The Bureau of Labor Statistics counted 635 establishments in San Mateo in 2025. Chemical Manufacturing is an industry with 267 facilities listed in the register.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 635 manufacturing establishments in San Mateo County in 2025, employing about 20,476 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 1,126.
Facilities309 FACILITIES
Listing 309 of 1,126: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Thermo Fisher Scientific | South San Francisco | Computer and Electronic Product Manufacturing | 334516 | — | UNVERIFIED |
| Toccata Ventures, Inc. | San Carlos | Fabricated Metal Product Manufacturing | 332710 | 1–19 | UNVERIFIED |
| Twist Bioscience | South San Francisco | Chemical Manufacturing | 325414 | — | UNVERIFIED |
| Vinvic Enterprises INC Dba Minuteman Press | San Mateo | Printing and Related Support Activities | 323113 | — | UNVERIFIED |
| Actelion Pharmaceuticals Us, INC | South San Francisco | Chemical Manufacturing | 325412 | — | REPORTED CLOSED |
| Impakt Holdings LLC Dba Dmp | Burlingame | Fabricated Metal Product Manufacturing | 332313 | — | REPORTED CLOSED |
| Janssen Research & Development LLC | South San Francisco | Chemical Manufacturing | 325414 | — | REPORTED CLOSED |
| Novartis Pharmaceuticals Corporation | San Carlos | Chemical Manufacturing | 325411 | — | REPORTED CLOSED |
| Twenty/twenty Therapeutics | South San Francisco | Miscellaneous Manufacturing | 339113 | — | REPORTED CLOSED |
