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 wholesale trade businesses with between 50 and 99 employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Wholesale trade businesses with between 50 and 99 employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
19
2013
19
2014
20
2015
20
2016
26