CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21209 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 21209 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 21209 (2012-2016)
Year
Total businesses
2012
48
2013
45
2014
45
2015
49
2016
48