Michael A. Langley

Tartan Canada Corp. provides industrial energy services. It services include plant and field maintenance, shutdowns, constructionand fabrication. The company was founded in 1953 and is headquartered in Calgary, Canada.

Husky Energy, Inc. is an international integrated energy company. It operates through two segments: Upstream and Downstream. The Upstream segment includes exploration for, and development and production of, crude oil, bitumen, natural gas and natural gas liquids; a well as marketing of crude oil, natural gas, sulphur, and petroleum coke; pipeline transportation; the blending of crude oil and natural gas; and storage of crude oil, diluent, and natural gas. The Downstream segment refers to the upgrading of heavy crude oil feedstock into synthetic crude oil in Canada; and refining of crude oil, marketing of refined petroleum products including gasoline, diesel, ethanol blended fuels, asphalt and ancillary products, and production of ethanol. The company was founded in 1938 and is headquartered in Calgary, Canada.

Ranger Oil Ltd. explores oil and gas properties. The company is located in Calgary, Canada.

Ensyn Petroleum International Ltd. develops technology that upgrades the quality of heavy oil by producing lighter, valuable crude oil. The company is headquartered in Boston, MA.

North American Oil Sands Corp. provides oil sand leasing, extraction, and up-gradation services. The company was founded by Mark H. Brown and Michael A. Langley in 2001 and is headquartered in Calgary, Canada.

Petroleum Technology Research Centre engages in the development of enhanced oil recovery (EOR) and carbon dioxide storage demonstration projects. The company was founded in 1998 and is headquartered in Regina, Canada.

Alberta Oilsands, Inc. is engaged in the exploration and development of drill-defined domestic assets, and an expanding portfolio of international projects. The company is focused on the exploration and development of bitumen in the Athabasca oil sands region of northeast Alberta. It holds interest in following projects: clearwater, grand rapids, algar lake, mackay river, Republic of Zambia, Namibia and Democratic Repubilc of the Congo. Alberta Oilsands was founded by Michael L. Lee and Shabir Premji on December 5, 2003 and is headquartered in Calgary, Canada.

Drexan Energy Systems, Inc. manufactures self-regulating and constant wattage heating cables for freeze protection and process temperature maintenance in ordinary and hazardous areas. It offers metallic cables, self regulating cables, components, and accessories. The company is headquartered in Kelowna, Canada.