G. Thomas Graves

ION Geophysical Corp. engages in the provision of geoscience technology, services, and solutions to the oil and gas industry. It operates through the E&P Technology and Services, and Operations Optimization segments. The E&P Technology and Services segment creates digital data assets and delivers services that improve decision-making, mitigate risk and maximize portfolio value for E&P companies. The Operations Optimization segment develops mission-critical subscription offerings and engineering services that enable operational control and optimization offshore. The company was founded in 1968 and is headquartered in Houston, TX.

Toreador Resources Corp. engages in oil and gas exploration services. It is an independent international energy company engaged in the acquisition, development, exploration and production of crude oil. It holds interests in developed and undeveloped oil properties in France. The company was founded in 1951 and is headquartered in Paris, France.

Part of Hess Corp., Triton Europe Plc is an oil exploration concern. The company is based in Abingdon, UK. The CEO of the British company is Herbert L. Brewer. Triton Europe was acquired by Triton Energy Corp. /Old/ on January 26, 1994 for $18.66 million.

Waldron Energy Corp. is a petroleum and natural gas exploration and production company. It engages in the acquisition, exploration and development of petroleum and natural gas in the province of Alberta. It holds interests in Ricinus, Ferrybank, Newton and Sullivan Lake properties. The company was founded on February 4, 2004 and is headquartered in Calgary, Canada.

Central Energy GP LLC distributes, transports, and markets liquefied petroleum gas. The company is headquartered in Dallas, TX.

Katy Resources ETX LLC explores oil and gas properties. The private company is based in Dallas, TX and has subsidiaries in the United States.