CBP data indicates that there are more establishments categorized as accommodation and food services businesses with between 20 and 49 employees in Allegheny County zip codes than in any other category.
The following table shows how many mining, quarrying, oil and gas extraction businesses with between 20 and 49 employees were in Allegheny County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between 20 and 49 employees in Allegheny County (2012-2016)
Year
Total businesses
2012
12
2013
9
2014
10
2015
16
2016
13