CBP data indicates that there are more establishments categorized as wholesale trade businesses with between one and four employees in 91780 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 91780 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 91780 (2012-2016)
Year
Total businesses
2012
61
2013
58
2014
55
2015
59
2016
63