CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in Milwaukee County zip codes than in any other category.
The following table shows how many industries not classified businesses with between one and four employees were in Milwaukee County zip codes during the period from 2012 to 2016.
Industries not classified businesses with between one and four employees in Milwaukee County (2012-2016)
Year
Total businesses
2012
9
2013
26
2014
33
2015
28
2016
31