CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Durham County zip codes than in any other category.
The following table shows how many wholesale trade businesses with between one and four employees were in Durham County zip codes during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in Durham County (2012-2016)
Year
Total businesses
2012
95
2013
110
2014
111
2015
98
2016
116