CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in Black Hawk County zip codes than in any other category.
The following table shows how many construction businesses with between one and four employees were in Black Hawk County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Black Hawk County (2012-2016)
Year
Total businesses
2012
179
2013
183
2014
189
2015
171
2016
161
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