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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
Tyco Electronics CORPRedwood CityPrimary Metal Manufacturing331318— LIKELY ACTIVE
Cemex San CarlosSan CarlosNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
Aco Pacific INCBelmontComputer and Electronic Product Manufacturing334513— LIKELY ACTIVE
Atlas Data Storage, INC.South San FranciscoComputer and Electronic Product Manufacturing334112— LIKELY ACTIVE
Bioamp Diagnostics INCSan CarlosChemical Manufacturing3254131–19 LIKELY ACTIVE
Diamond Foundry LLCSouth San FranciscoNonmetallic Mineral Product Manufacturing32799920–99 LIKELY ACTIVE
Earth Ict SpcMenlo ParkComputer and Electronic Product Manufacturing334413— LIKELY ACTIVE
Isono Health, INC.South San FranciscoComputer and Electronic Product Manufacturing334510— LIKELY ACTIVE
Jasper Ridge INC.Menlo ParkElectrical Equipment, Appliance & Component Manufacturing335139— LIKELY ACTIVE
Natera INCSan CarlosChemical Manufacturing325414— LIKELY ACTIVE
Polaro, INC.Redwood CityComputer and Electronic Product Manufacturing334111— LIKELY ACTIVE
Saleae, INC.South San FranciscoComputer and Electronic Product Manufacturing334515— LIKELY ACTIVE
Zero Emission Industries, INC.South San FranciscoMachinery Manufacturing333618— LIKELY ACTIVE
City Baking Co.South San FranciscoFood Manufacturing31181220–99 LIKELY ACTIVE
Fineline Carpentry INCBelmontFurniture and Related Product Manufacturing3371101–19 LIKELY ACTIVE
Florian IndustriesBrisbaneFabricated Metal Product Manufacturing33231220–99 LIKELY ACTIVE
LahlouhBurlingamePrinting and Related Support Activities323111100–499 LIKELY ACTIVE
Leemah Electronics INCBrisbaneComputer and Electronic Product Manufacturing334413100–499 REPORTED CLOSED
Moquin Press INCBelmontPrinting and Related Support Activities32311120–99 LIKELY ACTIVE
Motiv Power Systems, INC.Foster CityTransportation Equipment Manufacturing33639020–99 LIKELY ACTIVE
Pacific Rubber & Packing INCSan CarlosMiscellaneous Manufacturing33999120–99 LIKELY ACTIVE
Pliant Therapeutics INC.South San FranciscoChemical Manufacturing325412— LIKELY ACTIVE
San Francisco Window & Door Company INCSouth San FranciscoWood Product Manufacturing3219111–19 LIKELY ACTIVE
Shaw BakersSouth San FranciscoFood Manufacturing311812100–499 LIKELY ACTIVE
The Village CollectionBelmontFurniture and Related Product Manufacturing3371101–19 LIKELY ACTIVE
Concrete ChemicalsSan CarlosChemical Manufacturing3259981–19 UNVERIFIED
Lera Glass INCSan BrunoMiscellaneous Manufacturing3399991–19 UNVERIFIED
Stack Plastics INCMenlo ParkFurniture and Related Product Manufacturing337215— UNVERIFIED
Anodizers INCRedwood CityFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
AstraZeneca Pharmaceutical LP (Redwood City)Redwood CityChemical Manufacturing32541220–99 LIKELY ACTIVE
BiRite Foodservice DistributorsBrisbane——— LIKELY ACTIVE
Carbon INCRedwood CityFabricated Metal Product Manufacturing332410— LIKELY ACTIVE
Cell GenesysS San FranciscoChemical Manufacturing325414— LIKELY ACTIVE
Clean Harbors Environmental Services INC Port of Redwood CityRedwood CityBeverage and Tobacco Product Manufacturing312230— LIKELY ACTIVE
Coastal Spirits LLCSan CarlosBeverage and Tobacco Product Manufacturing312130— LIKELY ACTIVE
Cytovale INCSouth San FranciscoComputer and Electronic Product Manufacturing334516— LIKELY ACTIVE
Earlens CorporationMenlo ParkMiscellaneous Manufacturing339999— LIKELY ACTIVE
Element Science INCRedwood CityComputer and Electronic Product Manufacturing334517— LIKELY ACTIVE
Genentech INC South CampusS San FranciscoChemical Manufacturing325414— LIKELY ACTIVE
Inquis Medical INCMenlo ParkMiscellaneous Manufacturing339113— LIKELY ACTIVE
Merrill's Packaging Inc.BurlingamePlastics and Rubber Products Manufacturing32611220–99 LIKELY ACTIVE
Noah MedicalSan CarlosMiscellaneous Manufacturing339113— LIKELY ACTIVE
Route 92 Medical, Inc. - CaliforniaSan MateoMiscellaneous Manufacturing33911220–99 LIKELY ACTIVE
Seaport Environmental - RefiningRedwood CityChemical Manufacturing325110— LIKELY ACTIVE
Sirius Engineering LLCSan CarlosMiscellaneous Manufacturing339999— LIKELY ACTIVE
South City CiderworksSan BrunoBeverage and Tobacco Product Manufacturing3121301–19 LIKELY ACTIVE
The Tripp Distillery, LLCPacificaBeverage and Tobacco Product Manufacturing3121401–19 LIKELY ACTIVE
Wedemeyer BakerySouth San FranciscoFood Manufacturing31181220–99 LIKELY ACTIVE
Ai IndustriesRedwood CityFabricated Metal Product Manufacturing332813100–499 LIKELY ACTIVE
Christy Vault Company INCColmaNonmetallic Mineral Product Manufacturing3273321–19 LIKELY ACTIVE

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