Bruce Madigan

Dominion Exploration & Production, Inc. explores and produces oil and natural gas. It offers contract drilling and well operation services. Its products include crude oil, natural gas, and petrol. The company was founded in 2007 and is headquartered in Houston, TX

Atlantic Richfield Co. provides oil and gas extraction and production services . The firm's exploration and production operations are focused primarily in the Gulf of Mexico and the midcontinent in the United States, the United Kingdom North Sea, Indonesia, China and Algeria. The company was incorporated on April 15, 1985 and is headquartered in Warrenville, IL.

EOG Y Resources, Inc. engages in the exploration and production of oil and natural gas. It has drilling fields and satellite offices in Colorado and Wyoming, where it produces coal-bed methane in the Powder River Basin, as well as a pair of pipeline companies. The company was founded by Martin Yates in 1907 and is headquartered in Artesia, NM.

EP Energy LLC engages in the investment in the producing assets focused on the development of drilling inventory area. Its areas include Eagle Ford Shale in South Texas, Northeastern Utah in the Uinta basin, and the Permian basin in West Texas. This areas produces and distributes oil and natural gas. The company is headquartered in Houston, TX.