CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 21206 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 21206 during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in 21206 (2012-2016)
Year
Total businesses
2012
13
2013
15
2014
14
2015
13
2016
15