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 retail trade businesses with between one and four employees were in Washtenaw County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Washtenaw County (2012-2016)
Year
Total businesses
2012
474
2013
487
2014
473
2015
465
2016
447
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