Charles Leykum

CSL Capital Management LLC (CSL Capital) is a private equity firm founded by Charles Leykum in 2008. The firm is headquartered in Houston, Texas.

Soros Fund Management LLC (SFM) is a privately-held investment management firm now structured as a family office, but which was once a hedge fund manager. The firm was founded in 1969 and is headquartered in New York City. SFM serves as principal investment adviser to a group of funds managed for the benefit of Soros family cl fsients.

United Oilfield Services Sp zoo provides seismic, drilling and well completion services related to the exploration and provision of natural gas and oil deposits as well as geothermal sources. It offers drilling services and snubbing services. The company was founded by Michael Dennis McKee and Charlie Syl Leykum in 2011 and is headquartered in Warsaw, Poland.

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.

Ranger Energy Services LLC provides oilfield services. It offers w equipment and progressive solutions to the oil and gas industry. The firm?s operations include well services, academy oilfield rentals, transportation, transportation fleet and rig fleet. The company was founded by Michael Hopkins and Scott Milliren in 2014 and is headquartered in Stafford, TX.

BJ Services, Inc. provides hydraulic fracturing and cementing services. The company was founded in March 2017 and is headquartered in Tomball, TX.

Pyramax Ceramics LLC produces ceramic granules used in the oil and gas industry. It also manufactures light weight kaolin-clay ceramic proppants, used in the hydraulic fracturing process relating to drilling for oil and natural gas. The company was founded by Michael Burgess and is headquartered in Greenwich, CT.