George Thomas Marsh

Lockheed Martin Space Systems Co. manufactures and develops space exploration, satellite and defense systems. It also develops remote sensing, communications satellite and missile defense systems for national security and military, civil government and commercial customers. Its products also include human space flight, navigation, laser radar and meteorological systems and instruments. The company was founded in 1994 and is headquartered in Littleton, CO.

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.