CBP data indicates that there are more establishments categorized as retail trade businesses with between five and nine employees in Sonoma County zip codes than in any other category.
The following table shows how many transportation and warehousing businesses with between five and nine employees were in Sonoma County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between five and nine employees in Sonoma County (2012-2016)
Year
Total businesses
2012
41
2013
49
2014
50
2015
37
2016
39