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 real estate, rental and leasing businesses with between one and four employees were in 21218 during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in 21218 (2012-2016)
Year
Total businesses
2012
29
2013
33
2014
31
2015
30
2016
27