CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 7304 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 7304 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 7304 (2012-2016)
Year
Total businesses
2012
17
2013
16
2014
18
2015
16
2016
19