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 construction businesses with between one and four employees were in Contra Costa County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Contra Costa County (2012-2016)
Year
Total businesses
2012
1382
2013
1332
2014
1349
2015
1368
2016
1435
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