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 professional, scientific and technical services businesses with between one and four employees were in Rock County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Rock County (2012-2016)
Year
Total businesses
2012
127
2013
134
2014
136
2015
145
2016
131
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