S. Nelson

Apache Corp. operates as an energy company, which engages in the exploration, development, and production of natural gas, crude oil, and natural gas liquids. The company was founded by Truman Anderson, Raymond Plank, and Charles Arnao on December 6, 1954 and is headquartered in Houston, TX.

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.

Quintana Maritime Ltd. provides marine transportation services. It provides dry bulk cargo marine transportation services. The company owns 22 vessels and together with 7 Panamax vessels under bareboat charter. Quintana Maritime was founded in January 2005 and is headquartered in Glyfada, Greece.

Aqueos Corp. provides marine construction and specialty subsea services. It offers commercial diving, remote operated vehicle (ROV) operations, and vessel services. The firm serves the offshore oil and gas markets, telecommunications and utilities, engineering, scientific, entertainment, municipalities, state, and federal agencies. The company was founded by Theodore K. Roche in June 2000 and is headquartered in Broussard, LA.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.