CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Allegheny 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 Allegheny County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Allegheny County (2012-2016)
Year
Total businesses
2012
1679
2013
1746
2014
1733
2015
1911
2016
1992
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