CBP data indicates that there are more establishments categorized as professional, scientific and technical services 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
301
2013
296
2014
294
2015
293
2016
296
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