CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Fond Du Lac 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 Fond Du Lac County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Fond Du Lac County (2012-2016)
Year
Total businesses
2012
136
2013
133
2014
129
2015
125
2016
123