CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Northumberland County zip codes than in any other category.
The following table shows how many manufacturing businesses with between one and four employees were in Northumberland County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in Northumberland County (2012-2016)
Year
Total businesses
2012
13
2013
14
2014
15
2015
12
2016
11