CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between 20 and 49 employees in 20850 than in any other category.
The following table shows how many construction businesses with between 20 and 49 employees were in 20850 during the period from 2012 to 2016.
Construction businesses with between 20 and 49 employees in 20850 (2012-2016)
Year
Total businesses
2012
14
2013
21
2014
19
2015
19
2016
21