CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 92131 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 92131 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 92131 (2012-2016)
Year
Total businesses
2012
10
2013
12
2014
13
2015
15
2016
15