CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Rock County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Rock County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Rock County (2012-2016)
Year
Total businesses
2012
21
2013
21
2014
18
2015
18
2016
17
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