John Klein

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.

Forest Oil Corp. is an independent oil and gas company, engaged in the acquisition, exploration, development and production of natural gas and liquids in the United States and selected international locations. The company's reserves and operational areas are in the Texas Panhandle, the Eagle Ford Shale in South Texas, and the Ark-La-Tex area. Its core operational areas consist of drilling projects that have exposure to oil, natural gas, and natural gas liquids. Forest Oil was founded in 1916 and is headquartered in Denver, CO.

Cities Service Co. explores for and produces oil and gas. The company is based in Tulsa, OK. Cities Service was acquired by Occidental Petroleum Corp. on December 31, 1982 for $4,115.60 million.

Union Texas Petroleum Ltd. holds exploration licenses in an unspecified location. MODIFIED SUMMARY: Union Texas Petroleum is based in an unspecified location and has not provided information about subsidiaries or additional locations.

Hawkwood Energy Management LLC engages in production of oil and gas. It focuses in its East Texas operations. The company was founded by Peter E. Jeffe in 2011 and is headquartered in Denver, CO.