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 finance and insurance businesses with between one and four employees were in Jefferson County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
14
2013
15
2014
12
2015
13
2016
13