CBP data indicates that there are more establishments categorized as wholesale trade businesses with between 20 and 49 employees in 1887 than in any other category.
The following table shows how many construction businesses with between 20 and 49 employees were in 1887 during the period from 2012 to 2016.
Construction businesses with between 20 and 49 employees in 1887 (2012-2016)
Year
Total businesses
2012
13
2013
10
2014
9
2015
10
2016
12