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 transportation and warehousing businesses with between one and four employees were in Harford County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in Harford County (2012-2016)
Year
Total businesses
2012
77
2013
84
2014
89
2015
94
2016
90
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