CBP data indicates that there are more establishments categorized as accommodation and food services businesses with between 20 and 49 employees in San Francisco County zip codes than in any other category.
The following table shows how many construction businesses with between 20 and 49 employees were in San Francisco County zip codes during the period from 2012 to 2016.
Construction businesses with between 20 and 49 employees in San Francisco County (2012-2016)
Year
Total businesses
2012
72
2013
93
2014
89
2015
96
2016
95