Doug Genrich

Anadarko Petroleum Corp. is an independent exploration and production company. It operates through the following segments: Exploration and Production; WES Midstream; and Other Midstream. The Exploration and Production segment focuses on the exploration, development, production, and sale of oil and natural gas. The WES Midstream and Other Midstream segment consists of gathering, compressing, treating, processing, and transporting of natural gas; gathering, stabilizing, and transporting of oil and natural gas liquids. The company was founded in 1959 and is headquartered in The Woodlands, TX.

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.

Part of Occidental Petroleum Corp., Union Pacific Resources, Inc. is a company that is involved in railroads, gas, and oil production. The company is based in Bethlehem, PA.

NFR Energy LLC engages in the acquisition, development, exploitation & exploration of natural gas and oil properties. Its core operating area is comprised of the Haynesville Shale formation and the Cotton Valley Sand formation in East Texas. The firm has operations in Colorado, Texas & Montana. The company was founded on July 2006 and is headquartered in Houston, TX.

Paloma Resources LLC explores, exploits, acquires and produces oil and gas properties. It performs geophysical, geological and other exploration services. The company was founded by Christopher N. O'Sullivan in 2004 and is headquartered in Houston, TX.