CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with 500 or more employees in Middlesex County zip codes than in any other category.
The following table shows how many health care and social assistance businesses with 500 or more employees were in Middlesex County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with 500 or more employees in Middlesex County (2012-2016)
Year
Total businesses
2012
27
2013
25
2014
24
2015
26
2016
25
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