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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
Rapid Axis LLCRedwood CityFabricated Metal Product Manufacturing3329991–19 ACTIVE
Revolution Medicines, INC.Redwood CityChemical Manufacturing325412— ACTIVE
R. & L. Crown Equipment, INC.S San FranFabricated Metal Product Manufacturing3325101–19 ACTIVE
R.m. Machining, INC.San CarlosFabricated Metal Product Manufacturing332999— ACTIVE
Sanford Metal Processing COMenlo ParkFabricated Metal Product Manufacturing332117— ACTIVE
San Francisco Circuits, INC.San MateoComputer and Electronic Product Manufacturing3344181–19 ACTIVE
Somnics Health INCRedwood CityMiscellaneous Manufacturing339112— ACTIVE
Standard Biotools INCSouth San FranciscoComputer and Electronic Product Manufacturing334516— ACTIVE
Sunflower Labs INCSan CarlosTransportation Equipment Manufacturing3364111–19 ACTIVE
Tangent Computer INC.BurlingameComputer and Electronic Product Manufacturing33411120–99 ACTIVE
Te Connectivity CorporationRedwood CityPrimary Metal Manufacturing331420— ACTIVE
Zion Health INCSan MateoChemical Manufacturing3256201–19 ACTIVE
A2b Industries INC.Redwood CityComputer and Electronic Product Manufacturing334111— ACTIVE
Accurate Always, INC.Half Moon BayComputer and Electronic Product Manufacturing334111— ACTIVE
Adelphi Technology INCRedwood CityComputer and Electronic Product Manufacturing334517— ACTIVE
Aerterra, INC.HillsboroughMachinery Manufacturing333413— ACTIVE
Alivio Neurosciences INCHillsboroughMiscellaneous Manufacturing339112— ACTIVE
Anchorcraft CORedwood CityElectrical Equipment, Appliance & Component Manufacturing335921— ACTIVE
Antheia, INCMenlo ParkChemical Manufacturing325412— ACTIVE
Applikon Biotechnology, INC.Foster CityComputer and Electronic Product Manufacturing334516— ACTIVE
Aqua Satellite, INC.Menlo ParkComputer and Electronic Product Manufacturing334511— ACTIVE
Argon Office SuppliesMillbraeMiscellaneous Manufacturing339940— ACTIVE
Asegua Therapeutics LLCFoster CityChemical Manufacturing325412— ACTIVE
Bay Area Graphics LLCFoster CityPrinting and Related Support Activities323111— ACTIVE
Baychem, INCMenlo ParkChemical Manufacturing325180— ACTIVE
Bear Robotics, INCRedwood CityMachinery Manufacturing333998— ACTIVE
Beluga Systems, LLCWoodsideComputer and Electronic Product Manufacturing334511— ACTIVE
Bluechip Systems LLCSan MateoComputer and Electronic Product Manufacturing334111— ACTIVE
Brelyon INC.San MateoComputer and Electronic Product Manufacturing334118— ACTIVE
Bulwark Dynamics, INC.Menlo ParkTransportation Equipment Manufacturing336611— ACTIVE
Carbon Critical INC.San MateoElectrical Equipment, Appliance & Component Manufacturing335991— ACTIVE
Cath Lab Solutions LLCRedwood CityMiscellaneous Manufacturing339113— ACTIVE
Cellanome, INC.Foster CityComputer and Electronic Product Manufacturing334516— ACTIVE
Cellular Vehicles INCSan MateoComputer and Electronic Product Manufacturing334510— ACTIVE
Chariot Defense, INC.San BrunoElectrical Equipment, Appliance & Component Manufacturing335999— ACTIVE
Clara Foods CompanyDaly CityFood Manufacturing311999— ACTIVE
Cytesi INCMenlo ParkComputer and Electronic Product Manufacturing334516— ACTIVE
Cytokinetics, IncorporatedSouth San FranciscoChemical Manufacturing325412— ACTIVE
ElectrepSan CarlosElectrical Equipment, Appliance & Component Manufacturing335921— ACTIVE
Elroy Air, INCSouth San FranciscoTransportation Equipment Manufacturing336411— ACTIVE
Fiber Network Engineering Company, INC.Half Moon BayComputer and Electronic Product Manufacturing334290— ACTIVE
Fine Science Tools (usa) INC.Foster CityMiscellaneous Manufacturing339112— ACTIVE
Geller International, INC.BurlingameFood Manufacturing311412— ACTIVE
Geron CORPFoster CityChemical Manufacturing325412— ACTIVE
Graphstream INCBelmontComputer and Electronic Product Manufacturing334111— ACTIVE
Gretchen International INC.South San FranciscoMachinery Manufacturing333991— ACTIVE
Hanger Prosthetics & Orthotics West, INC.San MateoMiscellaneous Manufacturing339113— ACTIVE
Hdl Partners LLCBelmontMiscellaneous Manufacturing339116— ACTIVE
Helpfully Inclined LLCDaly CityComputer and Electronic Product Manufacturing334220— ACTIVE
Hospi CorporationSan MateoMiscellaneous Manufacturing339112— ACTIVE

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