CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between 10 and 19 employees in Middlesex County zip codes than in any other category.
The following table shows how many construction businesses with between 10 and 19 employees were in Middlesex County zip codes during the period from 2012 to 2016.
Construction businesses with between 10 and 19 employees in Middlesex County (2012-2016)
Year
Total businesses
2012
310
2013
322
2014
328
2015
332
2016
351