CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Harford County zip codes than in any other category.
The following table shows how many educational services businesses with between one and four employees were in Harford County zip codes during the period from 2012 to 2016.
Educational services businesses with between one and four employees in Harford County (2012-2016)
Year
Total businesses
2012
35
2013
32
2014
38
2015
38
2016
44
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