CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Jefferson 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 Jefferson County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
100
2013
92
2014
85
2015
96
2016
93