CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 59901 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 59901 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 59901 (2012-2016)
Year
Total businesses
2012
66
2013
66
2014
59
2015
56
2016
58