CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Middlesex County zip codes than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in Middlesex County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Middlesex County (2012-2016)
Year
Total businesses
2012
86
2013
85
2014
82
2015
77
2016
82