Open Inventor was licensed to two third party developers, [[Template Graphics Software (TGS)]] and Portable Graphics in 1994. TGS later bought Portable Graphics, making them the sole licensee. In 2004, TGS was acquired by [[Mercury Computer Systems]], and in June 2009, the entity became an independent company again called [http://www.vsg3d.com Visualization Sciences Group (VSG)]. In 2012, VSG was acquired by [[FEI Company]]. In 2016, [[FEI Company]] was acquired by [[Thermo Fisher Scientific]] (Materials & Structural Analysis Division), which continues to develop and support [http://www.openinventor.com Open Inventor].<ref>Permedia Research Group's MPath visualization and post-processing software for petroleum exploration, using VSG Open Inventor Volume LDM technology [http://www.permedia.ca/pdf/mpath_spotlight_21_viewerpro.pdf]</ref><ref>Tire maker Michelin’s FEA post-processing tools developed using MeshViz XLM and Open Inventor by VSG, by Randall Hand (visualization scientist) [http://www.vizworld.com/2010/03/michelin-meshviz-xlm-vsg-openinventor/]</ref><ref>ISATIS 3D Viewer (for exploring deposits, reservoir geometry, volume of the pollution, visualising lines, surfaces, block models, etc.) using VSG Open Inventor [http://www.geovariances.com/en/software-releases-whats-new-in-isatis-6-0-ar203?lang=fr?tab=277]</ref><ref>Image-Pro Plus software (with 3-D Constructor Plug-in Module), built using the underlying VSG Open Inventor libraries [http://www.scientificcomputing.com/three-dimensional-image-analysis.aspx?terms=visualization]</ref><ref>Design of a Control Strategy for Teleoperation of a Platform with Significant Dynamics, by Mattias Bratt, Christian Smith, and Henrik I. Christensen - Centre for Autonomous Systems KTH Stockholm, Sweden [http://www.cc.gatech.edu/~hic/hic-papers/iros06-bratt.pdf]</ref>