Howard Anderson

Rockyview Energy, Inc. engages in oil and natural gas properties exploitation, exploration, optimization and acquisition. The company is headquartered in Calgary, Canada.

Part of Obsidian Energy Ltd., APF Energy, Inc. is a Canadian company that produces oil and natural gas. The company is based in Calgary, Canada. The company was founded by Martin Hislop.

Burlington Resources Canada Ltd. provides oil exploration services. The company was founded in 1973 and is located in Calgary, Canada.

Pioneer Natural Resources Canada, Inc. explores and mines for oil and natural gas. The company is based in Calgary, Canada. The Canadian company is ultimately controlled by the Emirate of Abu Dhabi (United Arab Emirates). Pioneer Natural Resources Canada was acquired by Abu Dhabi National Energy Co. PJSC from Pioneer Natural Resources Co. on November 27, 2007 for $508.55 million.

Triangle Petroleum Corp. engages in the business of exploring oil and natural gas. The company was founded on December 11, 2003 and is headquartered in Denver, CO.

Triangle USA Petroleum Corp. operates as an exploration company which focuses on the development of unconventional shale oil and natural gas resources. It offers petroleum products such as ethylene, propylene, butylenes, and isobutylene. The company founded in October 27, 2005 and is headquartered in Denver, CO.