CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Jefferson County zip codes than in any other category.
The following table shows how many industries not classified businesses with between one and four employees were in Jefferson County zip codes during the period from 2012 to 2016.
Industries not classified businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
5
2013
11
2014
20
2015
34
2016
30