How many businesses are listed in San Mateo, CA? Chambrex lists 23 businesses in San Mateo, CA, each with full contact details including phone, email, website, and address. San Mateo has a population of 104,165.
What is the most common industry in San Mateo, CA? The most common industry among San Mateo businesses on Chambrex is Media & Communications, with 6 listings.