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 manufacturing businesses with between 250 and 499 employees were in Middlesex County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between 250 and 499 employees in Middlesex County (2012-2016)
Year
Total businesses
2012
25
2013
24
2014
26
2015
27
2016
25