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 retail trade businesses with between one and four employees were in Napa County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Napa County (2012-2016)
Year
Total businesses
2012
244
2013
256
2014
239
2015
239
2016
238
Alerts Sign-up