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 manufacturing businesses with between one and four employees were in Jefferson County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
47
2013
39
2014
44
2015
32
2016
37