David C. Treadwell

Bronco Drilling Co., Inc. provides contract land drilling and workover services to independent oil and natural gas exploration and production companies throughout the United States. The company conducts its operations through two operating segments: Contract Land Drilling and Well Servicing. The Contract Land Drilling segment provides contract land drilling services. The Well Servicing segment encompasses a full range of services performed with a mobile well servicing rig, including the installation and removal of downhole equipment and elimination of obstructions in the well bore to facilitate the flow of oil and gas. The company was founded on June 1, 2001 and is headquartered in Edmond, OK.

Seventy Seven Energy, Inc. engages in the provision of upstream services, including drilling, pressure pumping, trucking, oilfield rental tools, rig relocation, and water transport and disposal. It operates through the following segments: Drilling, Hydraulic Fracturing, and Oilfield Rentals. The Drilling segment, through the Nomac Drilling, L.L.C., provides land drilling services for oil and natural gas exploration and production activities. The Hydraulic Fracturing segment, through the Performance Technologies, L.L.C., offers high-pressure hydraulic fracturing services and other well stimulation services. The Oilfield Rentals segment, through the Great Plains Oilfield Rental, L.L.C., supplies premium rental tools and specialized services for land-based oil and natural gas drilling, completion, and work over activities. The company was founded on September 9, 2011 and is headquartered in Oklahoma City, OK.

Roan Resources, Inc. engages in the development, exploration, and acquisition of oil and natural gas reserves. Its flagship property is the Anadarko Basin. The company was founded in 2017 and is headquartered in Oklahoma City, OK.