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].
