CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 21218 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 21218 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 21218 (2012-2016)
Year
Total businesses
2012
57
2013
47
2014
52
2015
55
2016
54