CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 91722 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 91722 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 91722 (2012-2016)
Year
Total businesses
2012
11
2013
8
2014
8
2015
12
2016
13