The Parametric Technology Corporation, in short PTC, is a technology company located in Massachusetts, USA. PTC offers software solutions for CAD, PLM, ALM, and SLM.

Of particular note, is their CAD-software, Creo - a toolset for the construction of products. Creo allows for 2D CAD-, 3D CAD-, parametric and direct modeling functions, which product developers can use to design, analyze, display and release subsequent processes.