- American Design Drafting Association International
- Highlights a non-profit organization composed of industry drafters, educational instructors, piping designers, and engineering personnel.
- The CAD Society
- Fosters an open communication between users and vendors and any other individuals involved in the CAD industry.
- CADopia IntelliCAD
- Powerful Computer-Aided-Design software for engineers, architects, designers and drafters -- virtually anyone who creates, edits, or views professional drawings.
- Evolution Computing: Makers of FastCAD and EasyCAD
- Manufactures handcrafted computer-aided design and drafting software. Comes with updates and contact details.
- IntelliCAD Technology Consortium
- An independent organization committed to promoting a cooperatively developed CAD engine.
- Solid Thinking
- Develops advanced 3D solutions for professional designers and artists.
- Touch 3D
- Modelling, unfolding and unwrapping program for Macintosh and Windows.
- Varkon
- Presents a CAD system that includes an interactive parametric modeling both in 2D and 3D that are integrated in the graphical environment.
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