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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.

FacilityCityIndustryNAICSEmployeesStatus
American Precision Gear CompanyFoster CityFabricated Metal Product Manufacturing33299920–99 ACTIVE
Barkerblue, INC.San MateoPrinting and Related Support Activities32311120–99 ACTIVE
Biotricity INC.Redwood CityComputer and Electronic Product Manufacturing33451020–99 ACTIVE
Brew4u, LLCSan CarlosBeverage and Tobacco Product Manufacturing312120— ACTIVE
Cala Health, INCSan MateoComputer and Electronic Product Manufacturing33451020–99 ACTIVE
Concepts & Methods Co., INC.San CarlosMachinery Manufacturing3339941–19 ACTIVE
C S Bio COMenlo ParkChemical Manufacturing325199— ACTIVE
Cutera INCBrisbaneFabricated Metal Product Manufacturing332994100–499 ACTIVE
Denali Therapeutics INC.South San FranciscoChemical Manufacturing325412100–499 ACTIVE
Enable Biosciences INCSouth San FranciscoChemical Manufacturing3254131–19 ACTIVE
Fortasa Memory Systems INCSan MateoComputer and Electronic Product Manufacturing3341121–19 ACTIVE
Galvanize Therapeutics, INC.Redwood CityComputer and Electronic Product Manufacturing334510— ACTIVE
Garratt-callahan CompanyBurlingameChemical Manufacturing325998— ACTIVE
Intersect Ent, INC.Menlo ParkChemical Manufacturing325412— ACTIVE
Mcm Engineering, INCBurlingameComputer and Electronic Product Manufacturing3345151–19 ACTIVE
Neptune Medical INCBurlingameMiscellaneous Manufacturing339113100–499 ACTIVE
Norlase INCRedwood CityMiscellaneous Manufacturing3391151–19 ACTIVE
O'keeffe's, INCBrisbaneNonmetallic Mineral Product Manufacturing327211100–499 ACTIVE
Pulmonx CorporationRedwood CityMiscellaneous Manufacturing339112— ACTIVE
Sight SciencesMenlo ParkMachinery Manufacturing333998100–499 ACTIVE
Sonomotion INCSan MateoComputer and Electronic Product Manufacturing3345171–19 ACTIVE
Xei Scientific INCRedwood CityComputer and Electronic Product Manufacturing3344191–19 ACTIVE
Yenzym Antibodies, LLCBrisbaneChemical Manufacturing325414— ACTIVE
Ab Sciex LLCRedwood CityComputer and Electronic Product Manufacturing334516— ACTIVE
Abx Engineering, INCBurlingameComputer and Electronic Product Manufacturing334412— ACTIVE
Averto Medical INCRedwood CityMiscellaneous Manufacturing339112— ACTIVE
Avive Solutions INCBrisbaneComputer and Electronic Product Manufacturing334510— ACTIVE
B & H Machining INCSan CarlosFabricated Metal Product Manufacturing332710— ACTIVE
Ceres Robotics, INC.MontaraTransportation Equipment Manufacturing3364141–19 ACTIVE
Cision Vision, INC.San MateoMiscellaneous Manufacturing339112— ACTIVE
Coherus Oncology, INC.Redwood CityChemical Manufacturing325412100–499 ACTIVE
Compactcath INC.Redwood CityMiscellaneous Manufacturing3391131–19 ACTIVE
DavtronRedwood CityComputer and Electronic Product Manufacturing3344191–19 ACTIVE
Dompe U.s. INC.San MateoChemical Manufacturing325412— ACTIVE
Electricfish Energy INCSan CarlosElectrical Equipment, Appliance & Component Manufacturing3359991–19 ACTIVE
Empo Health, INC.San BrunoMiscellaneous Manufacturing339112— ACTIVE
Femtosense, INC.San BrunoComputer and Electronic Product Manufacturing3341111–19 ACTIVE
Flux Photonics, INCPacificaComputer and Electronic Product Manufacturing3344131–19 ACTIVE
Genentech INCSouth San FranciscoChemical Manufacturing325412— ACTIVE
Gennext Technologies INCHalf Moon BayComputer and Electronic Product Manufacturing334516— ACTIVE
Gilead Sciences INCFoster CityChemical Manufacturing325412— ACTIVE
Gmw AssociatesSan CarlosComputer and Electronic Product Manufacturing3345131–19 ACTIVE
Gopro, INC.San MateoComputer and Electronic Product Manufacturing334310100–499 ACTIVE
Heirloom Carbon Technologies, INC.BrisbaneChemical Manufacturing325120— ACTIVE
Hello Heart INC.Menlo ParkComputer and Electronic Product Manufacturing334510— ACTIVE
Mainspring Energy HeadquartersMenlo ParkElectrical Equipment, Appliance & Component Manufacturing335312500+ ACTIVE
Pacific Biosciences of California, INCMenlo ParkComputer and Electronic Product Manufacturing334516100–499 ACTIVE
Peninsula Components, INC.San CarlosFabricated Metal Product Manufacturing332722100–499 ACTIVE
Petersen Precision Engineering, LLCRedwood CityFabricated Metal Product Manufacturing332710— ACTIVE
Pylum Biosciences, INC.San CarlosChemical Manufacturing325414— ACTIVE

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