CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Jefferson 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 Jefferson County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
44
2013
39
2014
47
2015
42
2016
43
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