CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 49930 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 49930 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 49930 (2012-2016)
Year
Total businesses
2012
20
2013
16
2014
11
2015
12
2016
12