CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Cook 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 Cook County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Cook County (2012-2016)
Year
Total businesses
2012
27
2013
26
2014
28
2015
26
2016
26