Heidenhain
Englische inhalte für top-level com
http://www.heidenhain.nl/nl_NL/documentatie-informatief/documentatie/cad-portal
Cad Portal
An internet resource for engineering professionals. features a cad/cam/cae directory, job links, and our exclusive infochannels, which focus on products by vendor.
http://www.cad-portal.com
Alfalaval
Alfalaval
http://alfalaval.partcommunity.com
Mbdesign
Mbdesign
http://www.mbdesign.net/mbinfo/cad-portals.htm
Caddepot Shareware
Caddepot.com - cad shareware
http://www.caddepot.com/
Tenlinks
Ultimate technology directories by tenlinks find and organize sites in all subjects of interest to technology professionals.
http://www.tenlinks.com/cad/reference/portals.htm
MCAD Central
The largest resource for mcad (mechanical computer-aided design) professionals, including files, forums, jobs, articles, calendar, and more.
http://www.mcadcentral.com/