Michael McGovern

Quicksilver Resources, Inc. was engaged in the acquisition, exploration, development and production of onshore oil and gas in North America. It operated through the Midstream and Exploration & Production segments. The Midstream segment provided natural gas gathering and processing services. The Exploration and Production segment focused on oil and natural gas industry. The company was founded in 1997 and was headquartered in Chester, OH.

Tronox, Inc. manufactures and produces titanium dioxide. It offers mineral sands, titanium dioxide pigments, and electrolytic chemicals. The company was founded on June 6, 2005 and is headquartered in Oklahoma City, OK.

Vermilion Resources, Inc. explores and produces oil and natural gas. The company is headquartered in Houston, TX.

GeoMet, Inc. is an independent energy company, which engages in the exploration, development, and production of natural gas from coal seams and non-conventional shallow gas. It also controls non-producing coal-bed methane and oil and gas development rights. The company was founded by Brett S. Camp in 1985 and is headquartered in Austin, TX.

Nuverra Environmental Solutions, Inc. engages in the development and ongoing production of oil and natural gas from shale formations. It operates through the following segments: Rocky Mountain, Northeast, Southern, and Corporate and Other. The Rocky Mountain segment includes the Bakken shale area. The Northeast segment is comprised of the Marcellus and Utica shale areas. The Southern segment covers the Haynesville shale area. The Corporate and Other segment includes certain corporate costs and certain other corporate assets. The company was founded on May 29, 2007 and is headquartered in Houston, TX.

Vermilion Bay Exploration, Inc. engaged in the exploration and production of oil and gas properties. It focused on seismically-driven onshore exploration strategies to process and interprets technology and develops leads and prospects in under-explored producing trends. The company was founded in 2006 and was headquartered in Houston, TX.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

WestFire Energy Ltd. is engaged in the acquisition, development and production of crude oil and natural gas in Western Canada. Its properties include Redwater, Provost and Kaybob South. The company was founded in March 2007 and is headquartered in Calgary, Canada.

Array Holdings, Inc. manufactures valves, actuators, and control systems. It products include flow iron, pigging valves, ball valves, check valves, and 6A choke valves. The company was founded on November 6, 2007 and is headquartered in Houston, TX.

Birla Carbon U.S.A., Inc. manufactures carbon black additives for rubber, plastic, and liquid products. It offers rubber carbon black products for use in tires and mechanical rubber goods; and carbon specialty black products. The company was founded on 1922 and is headquartered in Marietta, GA.

Probe Holdings, Inc. engages in the design, manufacture, and sale of measurement tools and systems. It products is used for formation evaluation, well integrity assessment, and productivity determination. The company was founded in 1995 and is headquartered in Missouri City, TX.

Long Run Exploration Ltd. explores for oil and natural gas. The company was incorporated on September 14, 1999 and is headquartered in Calgary, Canada.

Cactus Wellhead LLC manufactures pressure control equipment. It offers hangers, spools, seals, seats and head adapters. The firm maintains an inventory of frac trees and ancillary equipment for short-term rental, offers repair and refurbishment services, and provides service crews to assist in the implementation of pressure control systems at the wellhead. The company was founded in 2011 and is headquartered in Houston, TX.