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 manufacturing businesses with between one and four employees were in Berks County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Berks County (2012-2016)
Year
Total businesses
2012
147
2013
150
2014
149
2015
145
2016
138