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.
Facilities38 FACILITIES
Listing 38 of 141: 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 |
|---|---|---|---|---|---|
| C S Bio CO | Menlo Park | Chemical Manufacturing | 325199 | — | ACTIVE |
| Intersect Ent, INC. | Menlo Park | Chemical Manufacturing | 325412 | — | ACTIVE |
| Sight Sciences | Menlo Park | Machinery Manufacturing | 333998 | 100–499 | ACTIVE |
| Hello Heart INC. | Menlo Park | Computer and Electronic Product Manufacturing | 334510 | — | ACTIVE |
| Mainspring Energy Headquarters | Menlo Park | Electrical Equipment, Appliance & Component Manufacturing | 335312 | 500+ | ACTIVE |
| Pacific Biosciences of California, INC | Menlo Park | Computer and Electronic Product Manufacturing | 334516 | 100–499 | ACTIVE |
| Sanford Metal Processing CO | Menlo Park | Fabricated Metal Product Manufacturing | 332117 | — | ACTIVE |
| Antheia, INC | Menlo Park | Chemical Manufacturing | 325412 | — | ACTIVE |
| Aqua Satellite, INC. | Menlo Park | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| Baychem, INC | Menlo Park | Chemical Manufacturing | 325180 | — | ACTIVE |
| Bulwark Dynamics, INC. | Menlo Park | Transportation Equipment Manufacturing | 336611 | — | ACTIVE |
| Cytesi INC | Menlo Park | Computer and Electronic Product Manufacturing | 334516 | — | ACTIVE |
| Integrated Surface Technologies, INC. | Menlo Park | Machinery Manufacturing | 333242 | — | ACTIVE |
| Leolabs INC | Menlo Park | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| Matrix Industries INC | Menlo Park | Computer and Electronic Product Manufacturing | 334413 | — | ACTIVE |
| Narion Technologies INC. | Menlo Park | Transportation Equipment Manufacturing | 336411 | — | ACTIVE |
| Neursantys, INC. | Menlo Park | Computer and Electronic Product Manufacturing | 334510 | — | ACTIVE |
| Orca Biosystems, INC | Menlo Park | Chemical Manufacturing | 325414 | — | ACTIVE |
| Pacrim Manufacturing, INC | Menlo Park | Machinery Manufacturing | 333310 | — | ACTIVE |
| Slac National Accelerator Laboratory | Menlo Park | Fabricated Metal Product Manufacturing | 332710 | — | LIKELY ACTIVE |
| Earth Ict Spc | Menlo Park | Computer and Electronic Product Manufacturing | 334413 | — | LIKELY ACTIVE |
| Jasper Ridge INC. | Menlo Park | Electrical Equipment, Appliance & Component Manufacturing | 335139 | — | LIKELY ACTIVE |
| Stack Plastics INC | Menlo Park | Furniture and Related Product Manufacturing | 337215 | — | UNVERIFIED |
| Earlens Corporation | Menlo Park | Miscellaneous Manufacturing | 339999 | — | LIKELY ACTIVE |
| Inquis Medical INC | Menlo Park | Miscellaneous Manufacturing | 339113 | — | LIKELY ACTIVE |
| Boston Scientific Structural Heart | Menlo Park | Miscellaneous Manufacturing | 339112 | — | UNVERIFIED |
| Evalve Incorporated | Menlo Park | Miscellaneous Manufacturing | 339112 | — | UNVERIFIED |
| Kob Auto INC | Menlo Park | Primary Metal Manufacturing | 331419 | — | UNVERIFIED |
| Pacific Biosciences of California INC | Menlo Park | Computer and Electronic Product Manufacturing | 334516 | — | UNVERIFIED |
| Te Conectivity | Menlo Park | Computer and Electronic Product Manufacturing | 334419 | — | UNVERIFIED |
| Tyco Electronics Corporation | Menlo Park | Chemical Manufacturing | 325991 | — | UNVERIFIED |
| California, Menlo Park 4085 Campbell Avenue STE 200 | Menlo Park | Miscellaneous Manufacturing | 339112 | 20–99 | LIKELY ACTIVE |
| Kidneymetrix INC. | Menlo Park | Chemical Manufacturing | 325413 | — | LIKELY ACTIVE |
| Resonetics Menlo | Menlo Park | Miscellaneous Manufacturing | 339112 | 20–99 | LIKELY ACTIVE |
| SH Menlo Park | Menlo Park | Miscellaneous Manufacturing | 339112 | 500+ | LIKELY ACTIVE |
| Swift Beat - Menlo Park | Menlo Park | Transportation Equipment Manufacturing | 336411 | 20–99 | LIKELY ACTIVE |
| Avellino Lab USA INC | Menlo Park | Chemical Manufacturing | 325413 | 20–99 | UNVERIFIED |
| Oracle America INC | Menlo Park | Computer and Electronic Product Manufacturing | 334111 | — | UNVERIFIED |
