IntelliCAD

CADian USA - IntelliCAD based software products for architectural, mechanical, and electrical design, as well as the basic CAD package.
http://www.cadianusa.com/

RGM Technical Services - AutoLISP tools to enhance Intellicad and Powercad. May work for Autocad users. Free downloads for freeware and trialware.
http://www.rgmts.com/

CAD Manufacturing Solutions, Inc. - Offers the CMS IntelliCAD software with user forums and support.
http://www.intellicadms.com/

CADopia Inc - Developer and distributor of IntelliCAD and related multimedia and modeling software, provides training and a user forum.
http://www.cadopia.com/

ProgeSOFT - Developer and distributor of IntelliCAD. Member of ITC consortium, provides Architectural and Mechanical applications.
http://www.progesoft.com/

IntelliCAD Technology Consortium - The ITC is a non-profit organization committed to cooperatively develop the CAD system IntelliCAD.
http://www.intellicad.org/

Autodsys, Inc. - Developer and distributor of IntelliCAD, supporting AEC software such as ArchT Architectural, and AutoLINE.
http://www.autodsys.com/

Cadinfo: IntelliCAD Articles - A series of articles about IntelliCAD, with background information, feature descriptions, and tips and tricks.
http://www.cadinfo.net/icad/

SIACAD - Support information about IntelliCAD, such as tutorials, FAQs, and an online forum, from an AEC software company in Singapore.
http://www.siacad.com/support/

ADeko Group - IntelliCAD member from Turkey, offering local language support and a kitchen design application.
http://www.adeko.com.tr/