CBP data indicates that there are more establishments categorized as retail trade businesses with between five and nine employees in Maricopa County zip codes than in any other category.
The following table shows how many manufacturing businesses with between five and nine employees were in Maricopa County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between five and nine employees in Maricopa County (2012-2016)
Year
Total businesses
2012
508
2013
476
2014
491
2015
492
2016
514