Some bands are active in the oil biz, Onion lake has their own oil field maintenance crews and trucking fleet they drilling new pads for steam a injection process and working with Husky to put a new pipeline from Onion lake to Wainwright. The profits are put into the community a new school a water treatment plant with water piped into the residential areas they've been very successful providing jobs to the band.
Onion lake oilfield
https://www.google.com/maps/search/o.../data=!3m1!1e3