CBP data indicates that there are more establishments categorized as retail trade businesses with between 50 and 99 employees in Contra Costa County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between 50 and 99 employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between 50 and 99 employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
27
2013
31
2014
34
2015
34
2016
34