CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91784 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 91784 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 91784 (2012-2016)
Year
Total businesses
2012
38
2013
40
2014
34
2015
31
2016
37