CBP data indicates that there are more establishments categorized as retail trade businesses with between 10 and 19 employees in Iowa than in any other category.
The following table shows how many couriers and messengers with between 10 and 19 employees were in Iowa during the period from 2012 to 2016.
Couriers and messengers with between 10 and 19 employees in Iowa (2012-2016)
Year
Total businesses
2012
13,613
2013
13,633
2014
13,864
2015
14,853
2016
14,665