1. Chaparral Energy 1111 Muncy Ave, Elkhart, KS 67950 Coordinate: 36.995693,-101.9022 Phone: (620) 697-4857
2. Nadel & Gussman 470 Highway 56, Elkhart, KS 67950 Coordinate: 37.00236,-101.89086 Phone: (620) 697-2137