CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91201 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 91201 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 91201 (2012-2016)
Year
Total businesses
2012
29
2013
37
2014
35
2015
40
2016
31