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 management of companies and enterprises with between one and four employees were in Allegheny County zip codes during the period from 2012 to 2016.
Management of companies and enterprises with between one and four employees in Allegheny County (2012-2016)
Year
Total businesses
2012
116
2013
119
2014
120
2015
133
2016
142
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