William McDonald

Ingrain, Inc. provides digital rock physics laboratory services. The firm offers unconventional reservoirs, complex conventional reservoirs, joint industry project, and digital core library. The company was founded by Amos Nur, Jack P. Dvorkin, William Bosl, and Henrique Tono in 2007 and is headquartered in Houston, 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.

Bluerock Energy Partners LLC provides financial services to the oil and gas industry. It provides capital to producers for reserve-based acquisitions and monetization’s with associated production enhancement and development. The company is headquartered in Houston, TX.

Meritage Midstream Services LLC provides midstream services for oil and gas industries. The firm offers gathering, treating and handling of natural gas, crude oil, water, and condensates. The company was founded in 2009 and is headquartered in Golden, CO.

Storm Peak Energy LLC acquires and develops oil and gas properties. Its properties located in the Greater Permian Basin of West Texas and Southeast New Mexico. The firm seeks to identify and capture undeveloped reserves in proven productive trends with remaining drilling potential. The company was founded on October 13, 2009 and is headquartered in Midland, TX.

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

Clearfork Resources LLC is an oil and energy company. The company engages in the acquisition, development, and exploitation of oil and gas properties. It is seeking production and development in hydrocarbon bearing basins throughout the continental U.S. The company was founded by Gleen W. Reed and Jarvis Moore in 2011 and is headquartered in Fort Worth, TX.

Principle Petroleum Partners LLC engages in the exploration and production of oil and gas. It intends to acquire and develop oil and gas assets located in the Rocky Mountain region. The company was founded on April 2, 2013 and is headquartered in Dallas, TX.

Goldman Sachs & Co. LLC (Private Banking) is the private banking division of Goldman Sachs & Co. LLC (GS&Co.), itself owned by The Goldman Sachs Group, Inc. (NYSE: GS), a bank and financial holding company headquartered in New York City. GS&Co.'s Private Wealth Management (PWM) group primarily provides advisory services to high-net worth individuals and institutional clients.

Big Horn Energy Services II LLC manufactures soft drinks and carbonated waters. The private company is based in Midland, TX.

Bluerock Energy Capital II LLC operates as an independent oil and gas producer finance company. It offers growth capital to independent producers for reserve-based acquisitions and monetization with associated production enhancement and development. The company was founded in 2009 and is headquartered in Houston, TX.

Laurel Mountain Energy LLC engages in acquisition and development of oil and gas properties. It builds a quality asset portfolio with exposure to natural gas and liquids across multiple productive horizons. The company was founded by Clark R. Nicklas and David M. Nicklas in 2014 and is headquartered in Pittsburgh, PA.

Antioch Energy LLC invests in oil and gas exploration companies. The company was founded by Nathaniel Harding and Kevin Dunnington and is headquartered in Oklahoma City, OK.

Clearstream Capital LLC (Clearstream Capital) is a private equity firm founded in 2017 by Andrew W. Ward. The firm is headquartered in New York.

Elk Meadows Resources LLC provides services related to acquisition and development of oil and gas properties. Its operational focuses will be on the exploitation of liquids-heavy onshore oil and gas properties, both conventional and unconventional, in the Permian Basin and Northern Rockies. The company was founded in 2012 and is headquartered in Denver, CO.