CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Knox 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 Knox County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Knox County (2012-2016)
Year
Total businesses
2012
133
2013
129
2014
130
2015
133
2016
127