1. General Shale
1615 E Yellowstone Hwy, Casper, WY 82601
Coordinate: 42.85319,-106.30337
Phone: (307) 234-4831
2. Knife River
1461 Bryan Stock Trl, Casper, WY 82601
Coordinate: 42.86731,-106.2966
Phone: (307) 237-9346
3. JTL Group Inc
3000 Bryan-evansville Rd, Casper, WY 82609
Coordinate: 42.86101,-106.28748
Phone: (307) 234-2100