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 construction businesses with between 50 and 99 employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Construction businesses with between 50 and 99 employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
41
2013
53
2014
50
2015
60
2016
60
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