CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Houghton 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 Houghton County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in Houghton County (2012-2016)
Year
Total businesses
2012
12
2013
11
2014
11
2015
9
2016
10