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 transportation and warehousing businesses with between one and four employees were in San Mateo County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in San Mateo County (2012-2016)
Year
Total businesses
2012
299
2013
305
2014
290
2015
304
2016
317