CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Pima County zip codes than in any other category.
The following table shows how many industries not classified businesses with between one and four employees were in Pima County zip codes during the period from 2012 to 2016.
Industries not classified businesses with between one and four employees in Pima County (2012-2016)
Year
Total businesses
2012
13
2013
26
2014
30
2015
38
2016
24