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 wholesale trade businesses with between one and four employees were in Berks County zip codes during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in Berks County (2012-2016)
Year
Total businesses
2012
174
2013
179
2014
192
2015
190
2016
193
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