CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 94578 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 94578 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 94578 (2012-2016)
Year
Total businesses
2012
32
2013
27
2014
27
2015
32
2016
36