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 health care and social assistance businesses with between one and four employees were in Frederick County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in Frederick County (2012-2016)
Year
Total businesses
2012
224
2013
230
2014
232
2015
241
2016
262