CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 65536 than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in 65536 during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in 65536 (2012-2016)
Year
Total businesses
2012
18
2013
21
2014
18
2015
16
2016
12