AutoCAD is not just the Autocad Architectural product. That may be the most dominant niche, but they produce most of the other CAD tools as well. AutoCAD Elect

AutoCAD is not just the Autocad Architectural product. That may be the most dominant niche, but they produce most of the other CAD tools as well. AutoCAD Electrical is huge for industrial controls work - it's hard to say, IMO, whether architectural or electrical AutoCAD is more dominant in its field. Other products are used for PCB design, but for any discrete wires in machines, buildings, etc. it's almost universally AutoCAD. Solidworks doesn't even have a product. And Autocad Electrical is ideal for low-powered browser work, because it's just 2D line drawings with an occasional component wireframe. They also produce Autocad Inventor (and Fusion 360), which are mechanical CAD packages. Inventor is definitely a contender with Solidworks, CATIA, Pro-E, and other mechanical CAD. A car's sheet metal may have 80% probability to be designed in CATIA, but the press that forms it has (pulling numbers out of a hat) a 20% chance to be modeled in AutoCAD Inventor, a 90% chance to be wired to an AutoCAD Electrical schematic, and a 95% chance to be located in a building blueprinted with AutoCAD Architectural.