CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 49509 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 49509 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 49509 (2012-2016)
Year
Total businesses
2012
23
2013
22
2014
28
2015
30
2016
23