The following table shows how many professional, scientific and technical services businesses with 500 or more employees were in Middlesex County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with 500 or more employees in Middlesex County (2012-2016)
Year
Total businesses
2012
30
2013
30
2014
28
2015
28
2016
27
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