David Russell Albin

Natural Gas Partners LLC (NGP) is a private equity firm, a subsidiary of NGP Energy Capital Management, LLC founded in 1988 by David Russell Albin and Kenneth Alfredo Hersh. The firm is headquartered in Dallas, Texas.

RSP Permian, Inc. was an oil and natural gas company, which was focused on the exploration and production of unconventional oil and associated liquids-rich natural gas reserves in the Permian Basin of West Texas. The company was founded in October 2010 and was headquartered in Dallas, TX.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

NGP Energy Capital Management LLC operates as a private equity firm in the natural resources industry. It considers investment in companies specializing in the oil and gas acquisitions and exploitation; oil and gas development drilling; midstream acquisitions and development opportunities; and oil and gas minerals and royalties. The company was founded by Kenneth Alfredo Hersh and David Russell Albin in 1988 and is headquartered in Dallas, TX.

Part of Energy Transfer LP, Energy Transfer Partners GP LP is a company that provides natural gas pipeline transportation and transmission services. The company is based in Dallas, TX. Kelcy L. Warren has been the CEO of the company since 2004.

Energy Transfer Partners LLC provides distribution of natural gas. The company is headquartered in Dallas, TX.