W. Mark Meyer

Founded in 1974, Simmons & Company International is an independent investment bank headquartered in Houston, Texas. The firm is a subsidiary of Piper Jaffray & Co. and their ultimate parent is Piper Jaffray Cos. (NYSE: PJC). Simmons & Co. specializes in the entire spectrum of the energy sector. They also provide services related to M&As and divestitures, public offerings, institutional research and sales and trading.

Part of The Williams Cos., Inc., Union Texas Petrochemical Corp is an American company that explores for and develops oil and gas. The company is based in TX. Union Texas Petrochemical was acquired by The Williams Cos., Inc. from Atlantic Richfield Co., Inc. on March 31, 1999.

Altus Midstream Co. engages in the ownership of gas gathering, processing, and transmission assets. It focuses on the Permian Basin of West Texas. The company was founded on December 12, 2016 and is headquartered in Houston, TX.

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.

Tudor, Pickering, Holt & Co. LLC provides investment banking services. The company was founded in 2007 and is headquartered in Houston, TX.

RR Advisors LLC is an independent, SEC-registered investment advisor and hedge fund manager headquartered in Dallas, Texas. The firm was founded by Robert Raymond in 2004. RR Advisors provides discretionary investment advisory services to certain private investment funds and separately managed accounts and those that invest in them.