CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 42420 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 42420 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 42420 (2012-2016)
Year
Total businesses
2012
43
2013
42
2014
44
2015
43
2016
48