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.
Facilities5 FACILITIES
Listing 5 of 18: 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 |
|---|---|---|---|---|---|
| Empo Health, INC. | San Bruno | Miscellaneous Manufacturing | 339112 | — | ACTIVE |
| Femtosense, INC. | San Bruno | Computer and Electronic Product Manufacturing | 334111 | 1–19 | ACTIVE |
| Chariot Defense, INC. | San Bruno | Electrical Equipment, Appliance & Component Manufacturing | 335999 | — | ACTIVE |
| Lera Glass INC | San Bruno | Miscellaneous Manufacturing | 339999 | 1–19 | UNVERIFIED |
| South City Ciderworks | San Bruno | Beverage and Tobacco Product Manufacturing | 312130 | 1–19 | LIKELY ACTIVE |
