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 industries not classified businesses with between one and four employees were in Allegheny County zip codes during the period from 2012 to 2016.
Industries not classified businesses with between one and four employees in Allegheny County (2012-2016)
Year
Total businesses
2012
14
2013
32
2014
50
2015
73
2016
47
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