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 manufacturing businesses with between 250 and 499 employees were in Maricopa County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between 250 and 499 employees in Maricopa County (2012-2016)
Year
Total businesses
2012
31
2013
33
2014
29
2015
35
2016
33