CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Iowa than in any other category.
The following table shows how many specialty trade contractors with between one and four employees were in Iowa during the period from 2012 to 2016.
Specialty trade contractors with between one and four employees in Iowa (2012-2016)
Year
Total businesses
2012
421,717
2013
422,859
2014
427,529
2015
437,145
2016
447,787
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