1. Balco Energy Inc 103 S 9th St Ste 220, Duncan, OK 73533 Coordinate: 34.50055,-97.95881 Phone: (580) 255-7500
2. Bennett Mineral Co Inc 1020 W Main St, Duncan, OK 73533 Coordinate: 34.5018,-97.96068 Phone: (580) 255-2600