The following table shows how many professional, scientific and technical services businesses with between one and four employees were in Dupage County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Dupage County (2012-2016)
Year
Total businesses
2012
4008
2013
3966
2014
4077
2015
4054
2016
3973