Gregory Columbus

Amec Foster Wheeler Ltd. provides consultancy, engineering, project management and operations, and maintenance services to global oil and gas; mining; clean energy; and environment and infrastructure markets. The company was founded on November 2, 1982 and is headquartered in Cheshire, the United Kingdom.

Clarke Energy Ltd. provides power generation services. It offers repairs and overhaul, commissioning, spare parts, maintenance agreements, field service, remote monitoring and diagnostics, and training. The company was founded by James Clarke in 1989 and is headquartered in Liverpool, the United Kingdom.

Petrel Energy Ltd. engages in petroleum exploration, development, and production. It operates through the following geographical segments: Austrasia, the United States of America, Canada, Uruguay, and Spain. The company was founded on December 12, 2007 and is headquartered in Sydney, Australia.

Talon Energy Ltd. engages in the exploration and development of oil and gas projects. It operates through the Perth Basin, Australia and the South Gobi Basin, Mongolia geographical segments. The company was founded on September 14, 2011 and is headquartered in West Perth, Australia.

Warrego Energy Ltd. operates as a petroleum exploration, development and production company with assets in Australia, Spain and Uruguay. Its projects include Tesorillo, Coolcalalaya and Piedra Sola and Salto concessions in Uruguay. The company was founded in 2007 and is headquartered in Perth, Australia.