CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 31326 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 31326 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 31326 (2012-2016)
Year
Total businesses
2012
16
2013
14
2014
16
2015
20
2016
21