CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21401 than in any other category.
The following table shows how many wholesale trade businesses with between one and four employees were in 21401 during the period from 2012 to 2016.
Wholesale trade businesses with between one and four employees in 21401 (2012-2016)
Year
Total businesses
2012
54
2013
54
2014
55
2015
53
2016
49