CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 92392 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 92392 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 92392 (2012-2016)
Year
Total businesses
2012
29
2013
25
2014
27
2015
28
2016
34