CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between 100 and 249 employees in San Mateo County zip codes than in any other category.
The following table shows how many retail trade businesses with between 100 and 249 employees were in San Mateo County zip codes during the period from 2012 to 2016.
Retail trade businesses with between 100 and 249 employees in San Mateo County (2012-2016)
Year
Total businesses
2012
49
2013
49
2014
45
2015
47
2016
54