CBP data indicates that there are more establishments categorized as wholesale trade businesses with between one and four employees in 91803 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 91803 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 91803 (2012-2016)
Year
Total businesses
2012
30
2013
24
2014
29
2015
25
2016
28