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 manufacturing businesses with between one and four employees were in Black Hawk County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Black Hawk County (2012-2016)
Year
Total businesses
2012
49
2013
49
2014
48
2015
50
2016
44
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