CBP data indicates that there are more establishments categorized as wholesale trade businesses with between one and four employees in 91731 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 91731 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 91731 (2012-2016)
Year
Total businesses
2012
25
2013
19
2014
22
2015
22
2016
17