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 health care and social assistance businesses with between one and four employees were in Dupage County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Dupage County (2012-2016)
Year
Total businesses
2012
1698
2013
1797
2014
1790
2015
1801
2016
1830