CBP data indicates that there are more establishments categorized as transportation and warehousing businesses with between one and four employees in Mountrail County zip codes than in any other category.
The following table shows how many mining, quarrying, oil and gas extraction businesses with between one and four employees were in Mountrail County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Mountrail County (2012-2016)
Year
Total businesses
2012
15
2013
16
2014
17
2015
10
2016
16