CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 37920 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 37920 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 37920 (2012-2016)
Year
Total businesses
2012
14
2013
12
2014
15
2015
18
2016
13