CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in Jefferson County zip codes than in any other category.
The following table shows how many professional, scientific and technical services businesses with between one and four employees were in Jefferson County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
305
2013
293
2014
301
2015
306
2016
284