CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 40391 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 40391 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 40391 (2012-2016)
Year
Total businesses
2012
50
2013
48
2014
55
2015
47
2016
42