CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Calvert County zip codes than in any other category.
The following table shows how many information businesses with between one and four employees were in Calvert County zip codes during the period from 2012 to 2016.
Information businesses with between one and four employees in Calvert County (2012-2016)
Year
Total businesses
2012
12
2013
12
2014
12
2015
18
2016
17