CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 21216 than in any other category.
The following table shows how many health care and social assistance businesses with between one and four employees were in 21216 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 21216 (2012-2016)
Year
Total businesses
2012
27
2013
30
2014
23
2015
26
2016
25