CBP data indicates that there are more establishments categorized as manufacturing businesses with 500 or more employees in Iowa than in any other category.
The following table shows how many social assistance businesses with 500 or more employees were in Iowa during the period from 2012 to 2016.
Social assistance businesses with 500 or more employees in Iowa (2012-2016)
Year
Total businesses
2012
163,332
2013
168,067
2014
173,185
2015
178,852
2016
182,885