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 construction businesses with between one and four employees were in Middlesex County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Middlesex County (2012-2016)
Year
Total businesses
2012
2728
2013
2746
2014
2836
2015
2975
2016
3003