Roland P. Keddie

Linn Energy, LLC engages in development, exploitation and acquisition of natural gas and oil. It seeks to be the operator of its properties so that it can develop drilling programs and projects. The company was founded by Michael C. Linn on March 14, 2003 and is headquartered in Houston, TX.

American Association of Professional Landmen consists of landmen and land-related persons throughout affiliated local associations in the United States and in Canada. It promotes standards of performance for all land professionals, which encourage responsible stewardship of energy and mineral resources. The company was founded on March 17, 1987 and is headquartered in Fort Worth, TX.

The Independent Petroleum Association of America manufactures oil and natural gas. The non-profit company is based in Washington. Barry Russell has been the CEO of the American company since 1980.

The Independent Oil & Gas Association of West Virginia, Inc. was founded in 1959 and engages in the extraction and production of natural gas and oil. The non-profit company is based in Charleston, WV.

Cavallo Mineral Partners LLC is a company based in Canonsburg, PA, founded by Roland P. Keddie and Tom Shields. The company specializes in minerals and mining, as indicated by their name, Cavallo Minerals.