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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.

Facilities34 FACILITIES

Listing 34 of 152: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Brew4u, LLCSan CarlosBeverage and Tobacco Product Manufacturing312120— ACTIVE
Concepts & Methods Co., INC.San CarlosMachinery Manufacturing3339941–19 ACTIVE
B & H Machining INCSan CarlosFabricated Metal Product Manufacturing332710— ACTIVE
Electricfish Energy INCSan CarlosElectrical Equipment, Appliance & Component Manufacturing3359991–19 ACTIVE
Gmw AssociatesSan CarlosComputer and Electronic Product Manufacturing3345131–19 ACTIVE
Peninsula Components, INC.San CarlosFabricated Metal Product Manufacturing332722100–499 ACTIVE
Pylum Biosciences, INC.San CarlosChemical Manufacturing325414— ACTIVE
R.m. Machining, INC.San CarlosFabricated Metal Product Manufacturing332999— ACTIVE
Sunflower Labs INCSan CarlosTransportation Equipment Manufacturing3364111–19 ACTIVE
ElectrepSan CarlosElectrical Equipment, Appliance & Component Manufacturing335921— ACTIVE
Portexa, LLCSan CarlosComputer and Electronic Product Manufacturing334111— ACTIVE
Telo Trucks INCSan CarlosTransportation Equipment Manufacturing336110— ACTIVE
V.n. Products, INCSan CarlosMiscellaneous Manufacturing339999— ACTIVE
Nxedge San CarlosSan CarlosFabricated Metal Product Manufacturing33281320–99 LIKELY ACTIVE
P.A. Bet, Inc.San CarlosFurniture and Related Product Manufacturing33721220–99 LIKELY ACTIVE
Cemex San CarlosSan CarlosNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
Bioamp Diagnostics INCSan CarlosChemical Manufacturing3254131–19 LIKELY ACTIVE
Natera INCSan CarlosChemical Manufacturing325414— LIKELY ACTIVE
Pacific Rubber & Packing INCSan CarlosMiscellaneous Manufacturing33999120–99 LIKELY ACTIVE
Concrete ChemicalsSan CarlosChemical Manufacturing3259981–19 UNVERIFIED
Coastal Spirits LLCSan CarlosBeverage and Tobacco Product Manufacturing312130— LIKELY ACTIVE
Noah MedicalSan CarlosMiscellaneous Manufacturing339113— LIKELY ACTIVE
Sirius Engineering LLCSan CarlosMiscellaneous Manufacturing339999— LIKELY ACTIVE
Bgm Ventures INC Dba Hy Tech PlatingSan CarlosFabricated Metal Product Manufacturing332813— UNVERIFIED
Communications & Power IndustrSan CarlosComputer and Electronic Product Manufacturing334411— UNVERIFIED
L-3 Communications Electron Devices DivisionSan CarlosComputer and Electronic Product Manufacturing334419— UNVERIFIED
Begovic Industries, INC.San CarlosFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
DswSan CarlosElectrical Equipment, Appliance & Component Manufacturing335311100–499 LIKELY ACTIVE
Joby Aviation San CarlosSan CarlosTransportation Equipment Manufacturing336411100–499 LIKELY ACTIVE
Cellink CorporationSan CarlosComputer and Electronic Product Manufacturing33441920–99 UNVERIFIED
Fiberglass Unlimited INCSan CarlosTransportation Equipment Manufacturing3366121–19 UNVERIFIED
Jerry Carroll Machining INC Dba Electrocut-pacificSan CarlosPrimary Metal Manufacturing3315111–19 UNVERIFIED
Toccata Ventures, Inc.San CarlosFabricated Metal Product Manufacturing3327101–19 UNVERIFIED
Novartis Pharmaceuticals CorporationSan CarlosChemical Manufacturing325411— REPORTED CLOSED

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