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 educational services businesses with between one and four employees were in Allegheny County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Allegheny County (2012-2016)
Year
Total businesses
2012
182
2013
178
2014
180
2015
182
2016
190
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