CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 51301 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 51301 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 51301 (2012-2016)
Year
Total businesses
2012
31
2013
31
2014
35
2015
26
2016
21