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 manufacturing businesses with between one and four employees were in 91201 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 91201 (2012-2016)
Year
Total businesses
2012
16
2013
19
2014
15
2015
17
2016
16