CBP data indicates that there are more establishments categorized as retail trade businesses with between 10 and 19 employees in Frederick County zip codes than in any other category.
The following table shows how many construction businesses with between 10 and 19 employees were in Frederick County zip codes during the period from 2012 to 2016.
Construction businesses with between 10 and 19 employees in Frederick County (2012-2016)
Year
Total businesses
2012
70
2013
87
2014
80
2015
88
2016
92