John Stice

Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private 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.

Williams Partners LP owns, operates, develops & acquires natural gas gathering system and energy assets. It focuses on natural gas gathering, the first segment of midstream energy infrastructure that connects natural gas produced at the wellhead to third-party takeaway pipelines. The company was founded in 2005 and is headquartered in Tulsa, OK.

Access Midstream GP LLC operated, developed and acquired natural gas gathering system and energy assets. The company was headquartered in Oklahoma City, OK.

Part of Chesapeake Energy Corp., Chesapeake Midstream Development LLC produces oil and natural gas. The private company is based in Oklahoma City, OK.

Part of The Williams Cos., Inc., Williams MLP Operating LLC is an American company that engages in the distribution of natural gas. The CEO of the private company is John Michael Stice.

Part of The Williams Cos., Inc., Chesapeake Midstream Operating LLC is an American company that explores, develops, and produces oil and natural gas properties. The private company is based in Oklahoma City, OK. Chesapeake Midstream Operating was acquired by Williams Partners LP, a subsidiary of The Williams Cos., Inc. from Chesapeake Energy Corp. on December 20, 2012 for $2,160 million.

WPZ GP LLC owns, operates, develops and acquires natural gas gathering systems and other midstream energy assets. The company is headquartered in Oklahoma City, OK.

Part of ConocoPhillips, ConocoPhillips Qatar Ltd. is a Qatari company that produces and supplies oil and gas. The private company is based in Doha, Qatar.

Spartan Energy Acquisition Corp. operates as a special purpose acquisition company, which focuses on the energy industry in North America. It involves in merger, capital stock exchange, asset acquisition, stock purchase, reorganization and similar business combination with one or more businesses. The company was founded on October 13, 2017 and is headquartered in New York, NY.

Spartan Acquisition Corp. II operates as a blank check company. Its purpose is to effect a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. It aims to focus its search for a target business in the energy value chain in North America with a focus on energy transition and sustainability. The company was founded on August 17, 2020 and is headquartered in New York, NY.

Spartan Acquisition Corp. III operates as a blank check company. It is a special purpose acquisition company which is incorporated for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. The company was founded on December 23rd, 2020 and is headquartered in New York, NY.

Spartan Acquisition Corp. IV is a blank check company that is formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities. The company was founded on February 19, 2021 and is headquartered in New York, NY.

MPLX GP LLC owns, operates, develops and acquires pipelines for petroleum and energy industries. The company is headquartered in Findlay, OH.