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 manufacturing businesses with between one and four employees were in Rock County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Rock County (2012-2016)
Year
Total businesses
2012
70
2013
72
2014
66
2015
70
2016
67
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