CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21201 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 21201 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 21201 (2012-2016)
Year
Total businesses
2012
96
2013
94
2014
94
2015
85
2016
93