Bentley Systems Inc.: Developers of engineering, design, and CAD software for the geoengineering/GIS, civil, mechanical, plant, and building industries, including MicroStation

CATIA: CAD/CAM/CAE product line by Dassault Systemes

IMSI: The developers of TurboCAD, with online store, trial downloads, documentation, and user gallery

Nemetschek North America: Company Homepage for the developer of VectorWorks, 2D/3D AEC CAD software for Windows and Macintosh

Parametric Technology Corporation: PTC develops and sells Pro/ENGINEER, Pro/Mechanica, Pro/Concept and related products

PTC/USER: An independent PTC users group that helps coordinate regional groups, hosts email exploders and carries news about products and services

upFront.eZine: CAD industry news and analysis by Ralph Grabowski updated each week. Optional email delivery also available