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 educational services businesses with between one and four employees were in Chester County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Chester County (2012-2016)
Year
Total businesses
2012
106
2013
118
2014
118
2015
124
2016
124