CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Berks County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Berks County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Berks County (2012-2016)
Year
Total businesses
2012
514
2013
492
2014
493
2015
494
2016
502
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