CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Middlesex 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 Middlesex County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Middlesex County (2012-2016)
Year
Total businesses
2012
142
2013
151
2014
154
2015
170
2016
170