CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Frederick County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Frederick County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Frederick County (2012-2016)
Year
Total businesses
2012
71
2013
76
2014
76
2015
78
2016
72
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