CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 30577 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 30577 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 30577 (2012-2016)
Year
Total businesses
2012
31
2013
32
2014
32
2015
31
2016
36