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 utilities with between one and four employees were in Allegheny County zip codes during the period from 2012 to 2016.
Utilities with between one and four employees in Allegheny County (2012-2016)
Year
Total businesses
2012
14
2013
25
2014
19
2015
15
2016
18
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