CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 91105 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 91105 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 91105 (2012-2016)
Year
Total businesses
2012
16
2013
9
2014
12
2015
12
2016
14