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 professional, scientific and technical services businesses with between one and four employees were in Frederick County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Frederick County (2012-2016)
Year
Total businesses
2012
77
2013
74
2014
77
2015
75
2016
75
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