CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in San Mateo County zip codes than in any other category.
The following table shows how many educational services businesses with between one and four employees were in San Mateo County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in San Mateo County (2012-2016)
Year
Total businesses
2012
147
2013
142
2014
171
2015
181
2016
188