CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 99901 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 99901 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 99901 (2012-2016)
Year
Total businesses
2012
19
2013
20
2014
24
2015
23
2016
27