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 professional, scientific and technical services businesses with between one and four employees were in Calvert County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Calvert County (2012-2016)
Year
Total businesses
2012
162
2013
168
2014
165
2015
170
2016
175