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 wholesale trade businesses with between one and four employees were in Rock County zip codes during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in Rock County (2012-2016)
Year
Total businesses
2012
73
2013
68
2014
69
2015
71
2016
68
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