CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Napa County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in Napa County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in Napa County (2012-2016)
Year
Total businesses
2012
123
2013
126
2014
121
2015
127
2016
117