CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Dupage County zip codes than in any other category.
The following table shows how many management of companies and enterprises with between one and four employees were in Dupage County zip codes during the period from 2012 to 2016.
Management of companies and enterprises with between one and four employees in Dupage County (2012-2016)
Year
Total businesses
2012
139
2013
163
2014
143
2015
114
2016
118