CBP data indicates that there are more establishments categorized as construction businesses with between 20 and 49 employees in 21075 than in any other category.
The following table shows how many professional, scientific and technical services businesses with between 20 and 49 employees were in 21075 during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between 20 and 49 employees in 21075 (2012-2016)
Year
Total businesses
2012
6
2013
7
2014
6
2015
9
2016
14