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 real estate, rental and leasing businesses with between one and four employees were in Jefferson County zip codes during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
21
2013
22
2014
26
2015
26
2016
23