CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Grundy 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 Grundy County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Grundy County (2012-2016)
Year
Total businesses
2012
19
2013
19
2014
21
2015
17
2016
15