CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 55901 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 55901 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 55901 (2012-2016)
Year
Total businesses
2012
56
2013
66
2014
61
2015
62
2016
65