CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 31709 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 31709 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 31709 (2012-2016)
Year
Total businesses
2012
20
2013
19
2014
15
2015
11
2016
12