CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 66538 than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in 66538 during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in 66538 (2012-2016)
Year
Total businesses
2012
6
2013
6
2014
8
2015
10
2016
11