Igor Effimoff

Teton Petroleum Corp. operates as oil and gas exploration and production company with operations in the Rocky Mountain region. The company was founded on November 8, 2009 and is headquartered in Denver, CO.

Truestar Petroleum Corp. is a natural resources company, which is engaged in the exploration, development and production of oil and gas properties, with its primary assets located in China, Guatemala and the United States. It was, through its wholly-owned and partially-owned subsidiaries, also holds mining interests in California and Nevada. The company was founded on March 9, 1987 and is headquartered in Vancouver, Canada.

Harvest Natural Resources, Inc. is a petroleum exploration and production company, which engages in the business of acquiring, exploring, developing, and producing properties in geological basins with proven active hydrocarbon systems. It operates through the following geographical segments: Gabon, Indonesia, and the United States and Other. The company was founded on September 9, 1988 and is headquartered in Dallas, TX.

Larmag Energy Assets Ltd. produces oil and is ultimately controlled by the Emirate of Dubai (United Arab Emirates).

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.

The Geological Society of America, Inc. engages as a non-profit organization. It helps in the advancement of geosciences. The company was founded in 1888 and is headquartered in Boulder, CO.