Gary Dupriest

Apache Corp. operates as an energy company, which engages in the exploration, development, and production of natural gas, crude oil, and natural gas liquids. The company was founded by Truman Anderson, Raymond Plank, and Charles Arnao on December 6, 1954 and is headquartered in Houston, TX.

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

Part of Chesapeake Energy Corp., Hugoton Energy Corp. is a company that explores for and produces oil and gas. The company is based in Wichita, KS. The company was founded by Floyd C. Wilson, William M. Johnson. Hugoton Energy was acquired by Chesapeake Energy Corp. on March 11, 1998 for $174.08 million.

Petrohawk Energy Corp. operates as an oil and natural gas company which is engages in the acquisition, development, production, and exploration of oil and natural gas properties. The company was founded by Richard K. Stoneburner in 2003 and is headquartered in Houston, TX.

Quantum Capital Group LLC (Quantum Capital Group) is a private equity firm founded in 1998 by Wil VanLoh, Toby R. Neugebauer and A. V. Jones. The firm is headquartered in Houston, Texas.

The Petroleum Place LLC engages in property acquisition and divestiture services, business operations software, and geospatial data solutions. It offers solutions specifically designed to help its clients acquire, develop, manage, divest, and account for oil and gas properties. The company was founded by Gary R. Vickers on January 28, 1999 and is headquartered in Denver, CO.

Legacy Reserves LP is an oil and natural gas limited partnership company. It focuses on the acquisition and development of oil and natural gas properties primarily located in the Permian Basin, Mid-Continent and Rocky Mountain regions of the United States. The company's projects include East Texas, Spraberry/War San, Piceance Basin, Lea, Texas Panhandle, Deep Rock, Shafter Lake, Jalmat, Winchester, and Denton. Legacy Reserves was founded in October 26, 2005 and is headquartered in Midland, TX.

HK Energy Partners LP develops and explores oil & natural gas reserves. Its properties are located in the Permian basin region in West Texas and Southeastern New Mexico. The company has reserves of 105 billion cubic feet of natural gas and about 7 billion barrels of oil for a total of 145 billion cubic feet equivalent. It puts out about 360 million barrels of oil and 8,000 million cubic feet of natural gas annually. HK Energy Partners was founded in 2007 and is located in Houston, TX

Saguaro Resources Ltd. engages in oil and gas exploration. It holds interest in Montney formation. The company was founded by Stacy Knull in September 2012 and is headquartered in Calgary, Canada.

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.

CGAS, Inc. is a private company that focuses on intracellular pattern recognition receptor, CGAS, which is activated after binding to double-stranded DNA in the cytoplasm. CGAS is based in Columbus, OH, and has subsidiaries in the United States. This pathway leads to the expression of several proinflammatory cytokines, causing inflammation and tissue damage. The company aims to develop a CGAS inhibitor for the treatment of diseases such as dermatomyositis, cutaneous lupus erythematosus, and systemic lupus erythematosus.

Part of Marathon Oil Corp., Texas Oil & Gas Corp. is an oil and gas exploration and American production company. Texas Oil & Gas was acquired by USX Corp. /Old/ on February 28, 1986 for $4,094.40 million.

P2ES Holdings LLC develops software for the oil and gas industry. It offers software, data and services that improve operations in land, financial and production management, business intelligence and geo-business. Its software packages have been implemented by over 450 companies and their Tobin map data is relied on every day by thousands of exploration and production companies worldwide. The company was founded in 1928 and is headquartered in Denver, CO.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Pine Brook Road Partners LLC (Pine Brook Partners) is a Private Equity firm founded in 2006. The firm is headquartered in New York.

Legacy Reserves GP LLC, operating under the name Revenir Energy Inc., is an independent energy company that develops, produces, and acquires oil and natural gas properties. Revenir Energy Inc. is based in Midland, TX. The private company's current operations are focused on the horizontal development of unconventional plays in the Permian Basin and East region.

First Reserve Oil & Gas Co. engages in the production of oil and gas. The company is based in Houston, TX.

Denham Capital Management LP (Denham Capital) is a private equity firm founded by Stuart Denham Porter, Riaz Qamar Siddiqi and Carl John Tricoli. The firm is headquartered in Boston, Massachusetts.

Weber Energy Corp. engages in oil and gas exploration projects. The company was founded by Ben R. Weber, Jr. in 1983 and is headquartered in Dallas, TX.

Comet Ridge Resources LLC explores oil and gas. The company was founded in 2008 and is headquartered in Denver, CO.

The Yuma Cos., Inc. explores and develops oil and gas. The private company is based in Houston, TX. The company was founded by Sam L. Banks.

Part of MMGJ Hugoton III LLC, BHP Billiton Petroleum (Arkansas) Inc. explores and markets petroleum products. The company is based in Houston, TX.

Tamboran Resources Ltd. engages in shale gas exploration. Its focus is on the acreage portfolio in the Beetaloo Basin in the Northern Territory. The company was founded by Patrick James Dymock Elliott in 2009 and is headquartered in Manly, Australia.

High Ground Energy, Inc. operates as an exploration and production company that focuses on developing light oil and liquids-rich gas resources. The company was founded in 2014 and is headquartered in Calgary, Canada.

Gulf Pine Energy Partners Ltd. engages in oil and gas exploration services. Its an exploration and production company focused on developing light oil resources in the U.S. gulf coast region. The company is headquartered in Calgary, Canada.

Accelerate Resources Holdings, LLC engages in the exploration and production of oil and natural gas. The company was founded by Mickey Friedrich, Tom Deen, Kenny Worrell, Brennan R. Potts, and Patrick George and is headquartered in Dallas, TX.

Ancova Midstream LLC operates as a midstream development company focused on oil and gas infrastructure. Its solutions include natural gas gathering, compression, treating and processing, crude oil gathering, transportation, and storage and water gathering and disposal. The company was founded in 2018 and is headquartered in Oklahoma City, OK.

STR Sub, Inc. engages in the acquisition, owning, and management of oil and gas mineral and royalty interests operated by a diversified set of exploration and production companies. Its property portfolio includes Permian Basin in West Texas and Southern New Mexico, the Eagle Ford Shale in South Texas, and the Appalachian Basin in Pennsylvania, Ohio, and West Viriginia. The company is headquartered in Denver, CO.