CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Chester 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 Chester County zip codes during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in Chester County (2012-2016)
Year
Total businesses
2012
533
2013
560
2014
543
2015
528
2016
529
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