CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Montana 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 Montana during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Montana (2012-2016)
Year
Total businesses
2012
28,909
2013
28,720
2014
29,754
2015
29,225
2016
27,234