CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 31401 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 31401 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 31401 (2012-2016)
Year
Total businesses
2012
38
2013
40
2014
54
2015
59
2016
50