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 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
1268
2013
1209
2014
1192
2015
1178
2016
1147