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 educational services businesses with between one and four employees were in Rock County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Rock County (2012-2016)
Year
Total businesses
2012
5
2013
15
2014
11
2015
14
2016
13
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