CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 29690 than in any other category.
The following table shows how many wholesale trade businesses with between one and four employees were in 29690 during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in 29690 (2012-2016)
Year
Total businesses
2012
12
2013
13
2014
16
2015
15
2016
12