Gary Halverson

Cameron International Corp. designs, manufactures, markets and services equipment used by the oil and gas industry and industrial manufacturing companies. It provides flow equipment products, systems and services to worldwide oil, gas and process industries. The company was founded by Harry Cameron and James Abercrombie in 1920 and is headquartered in Houston, TX.

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

Part of Trinity Industries, Inc., Surface Systems, Inc. manufactures patented pavement sensing equipment, specialized weather forecasting stations, and proprietary weather forecasting software. The company is based in St. Louis, MO. Surface Systems was acquired by Quixote Corp., part of Trinity Industries, Inc. from February 05, 2010 on August 30, 2001 for $11.50 million.

Energy Alloys LLC engages in the provision of oilfield metals, services and solutions. It offers oilfield metals to global oil and gas manufacturers and service companies. The company's products include mechanical bar and tube-grade metals, stainless steels, general engineering steels and metal products. It also offers machining services that offer finished and semi-finished parts and materials, and a raw materials partnership program for clients who desire consulting, engineering, manufacturing resources planning and inventory rationalization, and supply chain management. The company was founded by Dave Warren, Ralph Mullens and Robert Pond in 1995 and is headquartered in The Woodlands, TX.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Stream-Flo Industries Ltd. manufactures wellhead and Christmas tree equipment, gate valves and check valves. It manufactures oilfield equipment which includes a full line of check valves and all components of wellheads and Christmas trees used in upstream oil and gas exploration and production. The company offers research and development, manufacturing, after sales, customer property management and specialty welding and cladding services. It has offices in Abu Dhabi, Beeville, Brooks, Cheyenne, Claysville, Dubai, Edmond, Edmonton, Edson, Estevan, Fort McMurray, Fort Nelson, Fort St. John, Granbury, Grande Prairie, Hassi Messaoud, Houston, Indiana, Jakarta, Kilgore, Kindersley, Longview, Midland, Rainbow Lake, Rifle, Slave Lake and Williamsport. Stream-Flo Industries was founded by Duncan J. McNeill in 1962 and is headquartered in Edmonton, Canada.