Parametric Technology Corporation - PTC http://www.ptc.com 3D Mechanical Design Automation and Product Data Management Solutions They use Tcl/TK to configure portions of ''Windchill'', their enterprise level data management and process/workflow application. They also use Tcl/TK to setup/configure/administer ''Pro/INTRALINK'', a Product Data Management solution that uses an ''Oracle'' database for their 3D Mechanical Design/Automation Product called ''Pro/ENGINEER''. Tcl/TK has been used actively for several years, but it is not disclosed or marketed by PTC. <> Company