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 health care and social assistance businesses with between one and four employees were in Chester County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Chester County (2012-2016)
Year
Total businesses
2012
545
2013
571
2014
561
2015
616
2016
646
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