CBP data indicates that there are more establishments categorized as health care and social assistance businesses with 500 or more employees in Maricopa County zip codes than in any other category.
The following table shows how many transportation and warehousing businesses with 500 or more employees were in Maricopa County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with 500 or more employees in Maricopa County (2012-2016)
Year
Total businesses
2012
16
2013
17
2014
18
2015
21
2016
22