CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 99201 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 99201 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 99201 (2012-2016)
Year
Total businesses
2012
51
2013
51
2014
46
2015
55
2016
61