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 construction businesses with between one and four employees were in Rockwall County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Rockwall County (2012-2016)
Year
Total businesses
2012
127
2013
122
2014
142
2015
150
2016
151
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