CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Waukesha 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 Waukesha County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Waukesha County (2012-2016)
Year
Total businesses
2012
490
2013
477
2014
479
2015
457
2016
450