CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 15690 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 15690 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 15690 (2012-2016)
Year
Total businesses
2012
10
2013
10
2014
9
2015
11
2016
10