1. Block Mountain Slate & Stone Inc
Po Box 216, Plains, MT 59859
Coordinate: 47.47345,-114.89301
Phone: (406) 826-4025
2. Rock Solid
Po Box 861, Plains, MT 59859
Coordinate: 47.47345,-114.89301
Phone: (406) 826-4636
3. Perma Stone Inc
16 Cross Ln, Plains, MT 59859
Coordinate: 47.52155,-114.88766
Phone: (406) 741-2277