ION Geophysical Corporation provides geoscience technology, services, and solutions for the oil and gas industry worldwide. It operates through four segments: Solutions, Systems, Software, and Ocean Bottom Services. The Solutions segment offers services to manage the entire seismic process, from survey planning and design to data acquisition and management, to final subsurface imaging and reservoir characterization. This segment also provides data processing and imaging services to help its exploration and production customers for reducing exploration and production risk, evaluating and developing reservoirs, and increase production. The Software segment provides command and control software systems, related software and services for towed marine streamer and ocean bottom seismic operations, as well as survey design. The Systems segment manufactures re-deployable ocean bottom cable seismic data acquisition systems; marine towed streamer positioning and control systems; and geophone sensors. The Ocean Bottom Services segment offers survey design, planning, and optimization services to maximize seismic image quality, operational efficiency, and safety; superior imaging services; and data processing, interpretation, and reservoir services. The company markets and sells its services and products through direct sales force and third-party sales representatives. The company was formerly known as Input/Output, Inc. and changed its name to ION Geophysical Corporation in 2007. ION Geophysical Corporation was founded in 1968 and is headquartered in Houston, Texas.