CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 85901 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 85901 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 85901 (2012-2016)
Year
Total businesses
2012
41
2013
41
2014
42
2015
39
2016
34