CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Rockwall County zip codes than in any other category.
The following table shows how many educational services businesses with between one and four employees were in Rockwall County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Rockwall County (2012-2016)
Year
Total businesses
2012
9
2013
10
2014
10
2015
10
2016
10