CBP data indicates that there are more establishments categorized as professional, scientific and technical services 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
961
2013
955
2014
950
2015
993
2016
982