CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Middlesex County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Middlesex County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Middlesex County (2012-2016)
Year
Total businesses
2012
2344
2013
2302
2014
2301
2015
2260
2016
2269