CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Arizona than in any other category.
The following table shows how many utilities with between one and four employees were in Arizona during the period from 2012 to 2016.
Utilities with between one and four employees in Arizona (2012-2016)
Year
Total businesses
2012
35,666
2013
36,008
2014
35,924
2015
35,980
2016
36,318