CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21201 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 21201 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 21201 (2012-2016)
Year
Total businesses
2012
55
2013
60
2014
56
2015
57
2016
57