See also:

• Computers: CAD and CAM: AEC Design  (105)
• Computers: Software: Industry-Specific: Construction  (230)

• AB Studio - CADCON is an extension to AutoCAD or Architectural Desktop for structural and building services design.
• AC Plant Designer - A plant design and construction toolkit connecting AutoCAD with database functionality.
• Advanced Graphics Technology, Inc. - Software for Cogo, legal descriptions, TIN models, contours, and sections, based on AutoCAD and LandDesktop.
• Alexander Kosov - GEOL_DH for graphical representation of geological, surveyor, mining and calculation data in 3D space. KAI-2001 package for geologists and geophysicists, surveyors and miners, builders-designers.
• ArchSoft - A 2D application program for AutoCAD and IntelliCAD for producing architectural working drawings.
• ArchSymb - Architectural symbols and routines for AutoCAD [requires Javascript for navigation].
• Cad Easy Corporation - AutoCAD extensions EasySite for terrain modelling and visualization, and EasySurf for mapping and road development, as well as related symbol libraries.
• CadPoint, Inc. - Provides Structural CAD, a structural engineering design software for steel, wood, and concrete compatible with Audodesk AutoCAD.
• Computer Services Consultants Ltd. - Manufacturers of the 3D+ parametric 3D structural modeling and drawing application with integrated analysis and design.
• Design Master Software, Inc. - HVAC and electrical building design and drafting software for AutoCAD.
• drcauto - Developers of the Smart Architect range of architectural extensions to AutoCAD and AutoCAD LT, as well as a 3D modeller, and a LISP enabler for AutoCAD LT.
• FireAcad Design Software - AutoCAD extension for fire sprinkler designers. The program aids in design, hydraulic calculations and material listing.
• GlobalCAD - Offers general drafting tools as well as LandARCH, a landscaping application for AutoCAD.
• InAdire Teknik - Free and commercial AutoCAD LT and MicroGDS add-ons for drawing reinforcement bars and insulation.
• Inopso GmbH Interoperable Solutions - Offers an IFC-Interface for Architectural Desktop, which allows to exchange architectural data according to IAI standards.
• KLH Software, Inc. - Architectural drafting system for AutoCAD that provides an array of productivity tools designed to speed the commercial and residential drawing process.
• LTplant - Electrical, instrumentation, and plant design software for AutoCAD LT, with isometric drafting and BOM functionality.
• Michael Tint - MT Section for creating sectional profiles, MT Calculator for calculating volumes, areas, and distances in civil engineering.
• MillLister, Inc. - SmartLister AutoCAD extension to retrieve cut lists and bill of materials from 3D solid model assemblies, for home building and furniture work.
• MultiSuite Software - 2D and 3D steel and concrete detailing for AutoCAD. Also available as platform-independent incorporating AutoCAD OEM technology.
• Roof Builder Tools - A 3D roof modelling shareware for AutoCAD.
• Survey, Cogo and Drafting - Surveying, coordinate geometry, digital terrain modelling, and drafting applications for Intellicad and AutoCAD, as well as free autolisp routines.
• SYCODE - Offers terrain modelling software for AutoCAD and as a standalone product, as well as general meshing software.
• Trace Software - The Trace Elec Pro electrical schematic solution for AutoCAD, and the Trace Plant Designer package for industrial installation and piping design.