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 professional, scientific and technical services businesses with between one and four employees were in Houghton County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Houghton County (2012-2016)
Year
Total businesses
2012
46
2013
44
2014
42
2015
41
2016
43