CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91104 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 91104 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 91104 (2012-2016)
Year
Total businesses
2012
48
2013
46
2014
45
2015
47
2016
49