CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 90621 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 90621 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 90621 (2012-2016)
Year
Total businesses
2012
28
2013
35
2014
34
2015
35
2016
49