CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 18109 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 18109 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 18109 (2012-2016)
Year
Total businesses
2012
15
2013
17
2014
18
2015
15
2016
21