CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 37321 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 37321 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 37321 (2012-2016)
Year
Total businesses
2012
30
2013
24
2014
27
2015
26
2016
22