CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Pennsylvania than in any other category.
The following table shows how many chemical manufacturing businesses with between one and four employees were in Pennsylvania during the period from 2012 to 2016.
Chemical manufacturing businesses with between one and four employees in Pennsylvania (2012-2016)
Year
Total businesses
2012
13,309
2013
12,969
2014
13,079
2015
13,182
2016
13,480