CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Oakland County zip codes than in any other category.
The following table shows how many health care and social assistance businesses with between one and four employees were in Oakland County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Oakland County (2012-2016)
Year
Total businesses
2012
2342
2013
2349
2014
2357
2015
2311
2016
2306