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 wholesale trade businesses with 500 or more employees were in Iowa during the period from 2012 to 2016.
Wholesale trade businesses with 500 or more employees in Iowa (2012-2016)
Year
Total businesses
2012
420,501
2013
419,648
2014
416,593
2015
413,437
2016
412,526