Computervision, Inc. (CV) was an early pioneer in turnkey Computer Aied Design and Manufacturing (CAD/CAM) company. Computervision was founded in 1969 by Marty Allen and Philippe Villers, and headquartered in Massachusetts, USA. Its early products were built on a Data General Nova platform. Starting around 1975, Computervision built its own "CGP" (Computervision Graphics Processor) Nova-compatible 16-bit computers with added instructions optimized for graphics applications and using its own operating system known as Computervision Graphic Operating System (CGOS). In the 1980s, Computervision transitioned to Unix.