Jose Luis Medina

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.

Seismic Equipment Solutions LP Leases seismic equipment rentals to the oil and gas industry. Its products include land, marine/TZ, support, repairs, parts and equipment. The company was founded by Glen Huscroft and Paul Mitcham in January 2003 and is headquartered in Houston, TX.