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 manufacturing businesses with between 50 and 99 employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between 50 and 99 employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
33
2013
30
2014
28
2015
29
2016
31