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 professional, scientific and technical services businesses with between one and four employees were in 91803 during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in 91803 (2012-2016)
Year
Total businesses
2012
56
2013
60
2014
53
2015
61
2016
68