Visualization Sciences Group
VSG - Visualization Sciences Group is the leading provider of high-performance 3D visualization toolkits and software for engineers and scientists, delivering advanced 3D software solutions for scientific data visualization, engineering and simulation, materials science and geosciences.
Formerly TGS, VSG has been the Visualization Sciences Group of Mercury Computer Systems, from May 2004, before becoming a stand-alone company again on June 2009 through a Management Buy-Out.
In September 2011, VSG has acquired Noesis , maker of the popular image processing and analysis software VISILOG
http://www.vsg3d.com/