Christopher L. Hammack

Part of Occidental Petroleum Corp., Union Pacific Resources, Inc. is a company that is involved in railroads, gas, and oil production. The company is based in Bethlehem, PA.

JPMorgan Securities LLC (JPMS) is a securities brokerage firm headquartered in New York City. The firm was founded in 1985 and is a subsidiary of JPMorgan Broker-Dealer Holdings, Inc., ultimately held by JPMorgan Chase & Co., Inc. (NYSE: JPM). JPMS provides research on fixed income, credit, derivatives, emerging markets, foreign exchange, structured finance, technical analysis and bond indices. Their equity analysts cover equities throughout North America, EMEA, Asia/Pacific and the emerging markets. The firm's fixed income team formulates trading and portfolio recommendations for investors in global bonds and other fixed-income markets based on valuations, analytics and market dynamics.

Riverstone Holdings LLC operates as an energy focused investment manager. It conducts buyout and growth capital investments in the exploration and production, midstream, oilfield services, power, and renewable sectors of the energy industry. The company was founded by David Matthew Leuschen and Pierre Fernard Lapeyre, Jr. in 2000 and is headquartered in New York, NY.

Morgan Stanley Investment Management, Inc. (MSIM) is an investment management firm headquartered in New York City. The firm was founded in 1975 and is a subsidiary of Morgan Stanley Domestic Holdings, Inc., ultimately held by Morgan Stanley (NYSE: MS). MSIM provides discretionary and non-discretionary investment management services and products to institutional clients and individual investors. The firm also advises clients as to the appropriate allocation of assets among multiple separate accounts and/or investment companies or other pooled vehicles that the firm advises.

Targe Energy LLC operates coal mines. It engages in mining and reclamation of both coarse waste coal and pond fines that are sold into the steam, metallurgical and co-gen markets. The firm controls substantial strip and deep coal reserves and operates surface mines in Northern and Central Appalachia. The company was founded by William B. Spence in 2005 and is headquartered in Pittsburgh, PA.

Part of Brookfield Infrastructure Partners LP, Niska GS Holdings Canada LP is a company based in Houston, TX.

Hammerhead Resources, Inc. engages in the exploration and production of oil and gas industries. The firm focuses on onshore oil and gas operations. It also engages in the production of light-to-medium liquids. The company was founded in 2009 and is headquartered in Calgary, Canada.

Atlas Growth Partners LP engages in the production of natural gas and oil. It focuses on the development and growth of energy enterprises. The company was founded in February 2013 and is headquartered in Philadelphia, PA.

Vantage Energy LLC operates as an independent oil and natural gas company, which engages in the acquisition, development, and exploration of oil and natural gas properties in the United States. The company was founded by Roger Biemans and Tom Tyree in December 2006 and is headquartered in Englewood, CO.

The Council of Petroleum Accountants Societies (COPAS) is an organization that aims to promote professional growth and development among its members. The private company is based in Denver, CO. The company challenges accounting procedures in the petroleum industry, forge new paths, and set the standard for how things are done.

Morgan Stanley Capital Partners (Morgan Stanley Capital) is a private equity subsidiary of Morgan Stanley founded in 1985. The firm is headquartered in New York.

Triana Energy Investments LLC explores, produces and develops oil and natural gas. It is a natural gas exploration and production company based in Charleston, WV with operations focused on the Appalachian Basin, including the Marcellus Shale. The firm with state-of-the-art technology, skilled technical professionals, experienced management and extensive relationships in the Appalachian Basin, well-positioned to be an energy leader in the region for years to come. The company was founded by William Henry Harmon in 2006 and is headquartered in Charleston, WV.

M.G. Bryan Equipment Co. LP manufactures and supplies equipment, aftermarket parts, and service for the oil & gas industries. The company was founded by Michael G. Bryan in 1986 and is headquartered in Irving, TX.

Morgan Stanley & Co. Ltd. provides wealth management, investment banking, and other financial services. The company founded on September 15, 1987 and is headquartered in London, the United Kingdom.

Quintana Shipping Ltd. engages in acquisition and operation of dry bulk vessels. It offers shipping and transport services. The company was founded by Eleftherios A. Papatrifon and Paul J. Cornell in November, 2010 and is headquartered in Athens, Greece.

Part of Foresight Energy LP, Foresight Energy GP LLC is a leading producer of thermal coal with over 2 billion tons of coal reserves, sufficient to support over 75 years of production at their current level. The company is based in St. Louis, MO, and Robert Dean Moore has been the CEO since 2015. The company operates three mining complexes in the United States and has invested heavily in logistics to provide multiple modes of transportation to the end-users of their coal, including rail, barge, and trucks. Foresight Energy GP aims to be low cost on a delivered basis and has the ability to access multiple rail carriers.

Vantage Energy II LLC acquires, explores and develops natural gas projects. It focuses on unconventional resources in the Appalachian Basin of the United States. The company was founded by Roger J. Biemans and Thomas B. Tyree, Jr. and is headquartered in Englewood, CO.

Fieldwood Energy LLC engages in the acquisition and development of conventional oil and gas assets. It operates on the Gulf of Mexico Shelf. The company was founded by George Matt McCarroll in September 2013 and is headquartered in Houston, TX.

Liberty Oilfield Services Holdings LLC operates as a holding company. The company is headquartered in Denver. CO.

Part of Brookfield Infrastructure Partners LP, Niska GS Holdings US LP functions as an investment holding company.

Riverstone Investment Group LLC (Riverstone Investment Group) is a private equity firm, subsidiary of Riverstone Holdings LLC, founded in 2000 by Pierre F. Lapeyre, Jr. and David M. Leuschen. The firm is headquartered in New York.

Morgan Stanley Energy Partners is a private equity subsidiary of Morgan Stanley founded in 2015. The firm is headquartered in New York.

XRI Holdings LLC operates as a water resource management company. Its solutions include water pipeline infrastructure systems, sourcing and production source, transfer, flow back, well testing, reuse, and disposal capabilities. The company was founded by Matthew Gabriel in 2013 and is headquartered in Midland, TX.

Sterling Energy Investments LLC provides gas gathering, compression, processing, treating, NGL and natural gas marketing services. It offers centennial water pipelines, sterling energy, grasslands energy marketing. The company was founded by William H. Penney in December 2000 and is headquartered in Denver, CO.

Mission Creek Resources LLC engages in the exploration of oil and gas. It focuses on acquisition and development opportunities. The company is headquartered in The Woodlands, TX.

Catalyst Energy Services LLC engages in exploration, development, and production of oil & natural gas. The company is headquartered in Midland, TX.

Durango Midstream LLC is a natural gas gathering, processing and marketing company. The company is headquartered in The Woodlands, TX.

Solmicrogrid provides reliable and sustainable energy solutions for businesses. The American company's team is dedicated to making business personal and sensible. Solmicrogrid was founded by Joyce Bone and Matt Ward, with Matt Ward serving as CEO since incorporation.

Trinity CO2 Investments LLC distributes and supplies carbon dioxide through pipelines. It has offices in Midland and Seminole. The company was founded in September 2010 and is headquartered in Midland, TX.

Specialized Desanders, Inc. provides well desanding services to oil and gas companies. It offers proactive solutions, long term solutions. game change technology, closed loop and solid control services. The company was founded in 2001 and is headquartered in Calgary, Canada.