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 transportation and warehousing businesses with between one and four employees were in 91780 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 91780 (2012-2016)
Year
Total businesses
2012
18
2013
16
2014
20
2015
27
2016
34