CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 28376 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 28376 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 28376 (2012-2016)
Year
Total businesses
2012
20
2013
20
2014
19
2015
18
2016
16