CBP data indicates that there are more establishments categorized as retail trade businesses with between 250 and 499 employees in Maricopa County zip codes than in any other category.
The following table shows how many educational services businesses with between 250 and 499 employees were in Maricopa County zip codes during the period from 2012 to 2016.
Educational services businesses with between 250 and 499 employees in Maricopa County (2012-2016)
Year
Total businesses
2012
15
2013
13
2014
6
2015
11
2016
10