Paul G. McDermott

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

Berkley Petroleum Corp. is engaged in the exploration and development of natural gas and crude oil. Berkley focuses on the deeper, western portion of the Western Canadian Sedimentary Basin in Alberta, northeastern British Columbia and the Northwest Territories, as well as the deep formations in southeastern Saskatchewan.The Company pursue liquid-rich gas pools and deep oil pools with higher deliverability, profitability and reserve life

Logan International, Inc. engages in manufacturing of oil field tools and equipment. The firm also provides seismic surveying services. It offers proprietary tools that enhance the effectiveness of horizontal drilling. The company was founded on April 7, 1993 and is headquartered in Calgary, Canada.

Nytis Exploration (USA), Inc. operates as a independent oil and gas company that engages in the exploration, development and production of natural gas. It provides oil-field drilling and exploration services. The company was founded in 2004 and is headquartered in Denver, CO.

Premium Oilfield Services LLC enagges in the provision of specialized services and equipment rentals to the oilfield industry. Its services include rental tools, fishing, wireline, whipstock, thru tubing, and rotating control devices rental. The firm supplies and supports the oilfield market with tools and personnel. The company was founded on February 2012 and is headquartered in Houston, TX.

SustainX, Inc. provided grid-scale energy storage solutions. It provided isothermal compressed air energy storage technology, which is a site-anywhere, zero-emissions solution that enables power and energy-scalable compressed air storage, without the need for caverns or natural gas combustion. The company was founded by Benjamin R. Bollinger, Charles E. Hutchinson Sr., Dax Kepshire and Troy O. McBride in 2007 and was headquartered in Seabrook, NH.

Argos Utilities Corp. operates as a holding company with interest in providing utility transmission and distribution services. It offers overhead and underground construction and maintenance services for telecommunications and related utility systems. The company was founded by Wiliam F. Quinn, Brian Quinlan and Al Slepian in 2006 and is headquartered in Roanoke, VA.

Part of Liberty Lift Holding Co. LLC, Liberty Lift Solutions LLC is a full-service artificial lift company based in Houston, TX. The company offers an expanding line of artificial lift products such as beam pumps, gas lift systems, and jet pumps to maximize production in oil or gas wells. Liberty Lift Solutions provides designs and solutions for all stages of oil and gas production lifecycle, and their products and services are supported by an experienced team in design, manufacturing, and field application. The CEO of the company is Bobby Evans.