CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 6810 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 6810 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 6810 (2012-2016)
Year
Total businesses
2012
65
2013
84
2014
81
2015
101
2016
100