1. M-I Swaco 101 Meadow Dr, Evanston, WY 82930 Coordinate: 41.28242,-110.9719 Phone: (307) 789-0908
2. Anchor Drilling Fluids USA Inc 5264 State Highway 89 N, Evanston, WY 82930 Coordinate: 41.33503,-110.99986 Phone: (307) 789-0543