| Nemetschek Systems Inc. | (AllPlan, and PalladioX (formerly Arch14) | DataCAD LLC | (DataCAD) | |||
| SoftDesk Inc. | (AutoArchitect, CAD-Overlay) | Bently Systems Inc. | (MicroStation TriForma) | |||
| SoftPlan Inc. | (SoftPlan) | MacNeel |
Facade Inc. | (Facade) Status unknown | ||
| Graphisoft Inc. | (ArchiCAD, PlotMaker) | Sigma Design International | (ARRIS, BuildersCAD) | |||
| IdeaGraphix Inc. | (MicroArchitect, PowerArchitect) Acquired by Bentley |
Eagle Point Inc. | (ArchPro, SolidBuilder) | |||
| Diehl Graphsoft, Inc. | (MiniCAD 7 for Architecture) | SoftCAD International | (ArchiTECH.PC and SoftCAD 3D) | |||
| CADSOFT Inc. | (APDesign and CADSOFT Build) | BAGH | (Architrion IV and ArchiDesign) | |||
| |
Ketiv Inc. | (ArchT) | |
Deneba Software Inc. | (DenebaCAD) | |
| |
BuildersCAD | (BuildersCAD) | |
ACA Architecture & Computer Aids Ltd. | (ARC+) | |
| Virtus Corp. | (ConceptCAD) |
Architectural CADD Companies: (text only)
Architectural Modeling Rendering CADD Companies: