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 social assistance businesses with between one and four employees were in Arizona during the period from 2012 to 2016.
Social assistance businesses with between one and four employees in Arizona (2012-2016)
Year
Total businesses
2012
163,332
2013
168,067
2014
173,185
2015
178,852
2016
182,885