CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between 250 and 499 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 250 and 499 employees were in Middlesex County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between 250 and 499 employees in Middlesex County (2012-2016)
Year
Total businesses
2012
28
2013
29
2014
33
2015
31
2016
33