CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Contra Costa County zip codes than in any other category.
The following table shows how many educational services businesses with between one and four employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
163
2013
163
2014
166
2015
177
2016
180