CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Washtenaw 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 Washtenaw County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Washtenaw County (2012-2016)
Year
Total businesses
2012
413
2013
422
2014
408
2015
409
2016
417
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