| A E C Technologies | | Applications software expertise with cad and multimedia products for key industries. |
| Amethyst ShadowFX | | A sun and shadow modelling program for architects and town planners, working with data from DWG/DXF files. |
| ARCAD | | Architectural CAD system for the Linux operating system. |
| ArCon | | A 3D CAD software for use in civil engineering, architecture, and interior design. |
| Argos Systems, Inc. | | Software for construction and design management, with CAD tools for wood and steel frameworks and premanufactured housing. |
| Artifice, Inc. | | Develops and markets DesignWorkshop, an architectural 3D modelling software for Windows and Macintosh. |
| Autodesk Revit | | Revit is a parametric building modeler for architects, with intelligent building components, views, and annotations. |
| Blocklayer.com | | Various geometric online-calculation tools for concrete blocks, stairs, and other construction design tasks. |
| BOA | | Architectural 3D design software for Apple Macintosh systems. |
| BricsNet | | AEC software development company primarily involved with Microstation and Intellicad AEC add-ons and related building industry software |
| Building Composer | | A free, open source, suite of criteria-based building design tools to support architectural programming and conceptual design. |
| CAD Consulting USA | | Distributor for the ALLPLAN FT architectural CAD software in North America, with information about the product and related services. |
| Cad Details | | Library of construction details and product profiles for architecture, engineering, and landscaping. Registration required to gain access. |
| CAD Quest, Inc. | | A series of simple tools for the design and estimation of decks, fences, pavings, and wood frame structures. |
| CumInCAD | | A cumulative index of publications about computer aided architectural design. It includes bibliographic information from journals and conferences such as ACADIA, CAADRIA, eCAADe, SiGraDi, CAAD futures and others. |
| Expos Software | | Expos is a specialized software for exhibition stands designing. It is a completely standalone system using mainly Octanorm items. 3D visualization is also built in. |
| FIT, Inc. | | The creators of Cadvance, a Windows CAD program for architects, engineers and designers. |
| Form.Z | | Software for complex 3D modelling and visualisation. Designed and conceived by an architect | |
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