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 finance and insurance businesses with between one and four employees were in Oakland County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in Oakland County (2012-2016)
Year
Total businesses
2012
1483
2013
1457
2014
1429
2015
1438
2016
1389