CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between 20 and 49 employees in Middlesex County zip codes than in any other category.
The following table shows how many retail trade businesses with between 20 and 49 employees were in Middlesex County zip codes during the period from 2012 to 2016.
Retail trade businesses with between 20 and 49 employees in Middlesex County (2012-2016)
Year
Total businesses
2012
238
2013
225
2014
249
2015
239
2016
255