Anadarko E&P Company LP (Title)

Anadarko Petroleum Corporation (Title)

Bank of America (Mineral Owner)

BBX Operating, LLC (Title)

Cook Sales, Inc. (Creditor Bankruptcy)

First Presbyterian Church of Dallas (Mineral Owner)

Jones Energy Ltd. (Title)

Kachina Oil and Gas, Inc. (Litigation, Contract)

Huber Corporation (Mining)

KeyBank (Litigation)

McCoy Corporation (Mineral Owner)

McCoy Remme Ranches LLC (Mineral Owner)

Municipal Gas Authority of Georgia (Contract)

Orbis Energy, Ltd. (Contract, Litigation, Title)

Patterson Petroleum, LP (Title)

Texas Gas Partners LP (Contract)

United Resources, L.P. (Title)

North Shore Energy L.L.C. (Litigation)

ENCANA (Litigation)