Spectrum (formerly GGS-Spectrum) is picking up good vibrations. The company provides surveys, 2D and 3D seismic data processing, and electronic data management services for oil and gas exploration and production customers worldwide. It provides information technology consultancy, network design, and system installation services, and has regional centers in Houston, London, Oslo, and Singapore. The company has also developed software that enables vintage seismic data to be loaded onto a workstation for interpretation. UK-based Spectrum Energy and Information Technology was founded in 1985. It merged with Norway's Global Geo Services to form GGS-Spectrum Limited in 2005. Spectrum was spun out in 2008.