Donald D. Wolf

Maverick Natural Resources LLC engages in the business of acquisition, exploitation, and development of oil and gas properties. Its assets consist of producing and non-producing crude oil, and natural gas reserves. The company was founded on March 23, 2006 and is headquartered in Houston, TX.

Part of Maverick Natural Resources LLC, BreitBurn GP LLC focuses on the acquisition, exploitation and development of oil and gas properties. The company is based in Los Angeles, CA. The company was founded by Randall Hart Breitenbach, Halbert S. Washburn. Halbert S. Washburn has been the CEO since incorporation.

Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf.

QR Energy LP engages in the acquisition, exploitation, development and production of oil and natural gas properties. Its assets are located in the Permian, Ark-La-Tex, Mid-Continent, Gulf Coast and Michigan regions. The company was founded on September 20, 2010 and is headquartered in Los Angeles, CA.

QA Global GP LLC provides investment advisory services. The private company is based in Houston, TX. The CEO of the company is Alan L. Smith.

Part of Maverick Natural Resources LLC, QRE GP LLC provides investment services. The company is based in Houston, TX. QRE GP was acquired by QR Energy LP on March 03, 2014.

Sun Oil Co., Inc. is a Canadian company that produces, transports, and stores oil. The private company also refines, ship, and market petroleum products.

Part of UMC Merger Corp., General Atlantic Resources, Inc. is an oil and gas concern. The company is based in Denver, CO. General Atlantic Resources was acquired by UMC Merger Corp. on November 18, 1994 for $156 million.

Aspect Energy LLC operates as an exploration and energy investment company. The firm is engaged in oil and gas exploration and development efforts. The company was founded in 1992 and is headquartered in Denver, CO.

Laredo Petroleum, Inc. is an exploration and production company with headquarters in Tulsa, Oklahoma. Laredo's strategy is to make strategic acquisitions and participate in drilling joint ventures having upside potential in the targeted area of the Mid-Continent and Permian Basin Regions of the United States. The company was founded in May 2007 and is headquartered in Tulsa, OK

Quantum Resource Management Engages in oil and gas exploration. The company was founded in June 2006 and is headquartered in Denver, CO.

Mak-J Energy Partners Ltd. provides oil and gas exploration services. The private company is based in Denver, CO.

Ute Energy LLC manages exploration and development activities. The company was founded in May 2005 and is headquartered in Denver, CO.

Western Energy Alliance is a nonprofit trade association based in Denver, CO, representing 300 companies engaged in environmentally responsible exploration and production of oil and natural gas in the west. The company believes in the principle of multiple use of non-park, non-wilderness public lands and has consistently stressed the importance of public lands advocacy over many years. The company is an advocacy organization promoting the best practices in the industry.

Enduring Resources II LLC operates as acquisition and exploitation focused oil and gas company. It focuses on large resource potential, geographies, development concepts during delineation, advancing technology, vertical integration and working relations with landowners and service providers. The company was founded in 2011 and is headquartered in Denver, CO.

Aspect Holdings LLC provides investments in oil and gas exploration companies. It engages in exploration and production activities in a number of countries, including the United States, Hungary, and the Kurdistan Region of Iraq. The company was founded by Alex Cranberg in 1993 and is headquartered Denver, CO.