CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Sonoma County zip codes than in any other category.
The following table shows how many health care and social assistance businesses with between one and four employees were in Sonoma County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Sonoma County (2012-2016)
Year
Total businesses
2012
721
2013
696
2014
721
2015
715
2016
722
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