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 health care and social assistance businesses with between 250 and 499 employees were in Maricopa County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between 250 and 499 employees in Maricopa County (2012-2016)
Year
Total businesses
2012
43
2013
45
2014
52
2015
48
2016
59