CBP data indicates that there are more establishments categorized as retail trade businesses with between 10 and 19 employees in Sonoma County zip codes than in any other category.
The following table shows how many construction businesses with between 10 and 19 employees were in Sonoma County zip codes during the period from 2012 to 2016.
Construction businesses with between 10 and 19 employees in Sonoma County (2012-2016)
Year
Total businesses
2012
127
2013
139
2014
148
2015
170
2016
181