41. Iron Oil Operating
2507 Montana Ave, Billings, MT 59101
Coordinate: 45.78307,-108.50186
Phone: (406) 570-7387
42. Cove Creek Resources
2708 1st Ave N, Billings, MT 59101
Coordinate: 45.78237,-108.50472
Phone: (406) 294-3525
43. Shale Exploration
27 N 27th St Ste 18e, Billings, MT 59101
Coordinate: 45.78243,-108.50373
Phone: (406) 487-2962
44. Ciannis Geological
100 N 27th St, Billings, MT 59101
Coordinate: 45.78286,-108.50495
Phone: (406) 245-7840
45. Voyager Oil & Gas
2702 Montana Ave, Billings, MT 59101
Coordinate: 45.78157,-108.50383
Phone: (406) 245-4901
46. Ajax Oil Co Inc
Po Box 1743, Billings, MT 59103
Coordinate: 45.6349,-108.3635
Phone: (406) 259-6464