| Alibre Inc | | Alibre Design is a low-cost parametric mechanical design application with CAD-neutral data sharing and online collaboration tools. |
| Ashlar Inc. | | Graphite 2D drafting as well as Cobalt, Xenon, and Argon versions of the Vellum 3D modelling software |
| Autopipe | | Software that calculates piping code stresses, loads, and deflections under static and dynamic loading conditions, with special features for buried pipeline analysis, wave loading, and fluid transients. |
| CADables | | TurboCAD hatch patterns, color palettes, and related resources. |
| Cadsoft Solutions, Inc. | | Developer of Concepts Unlimited, 2D 3D modeling tools for Mac and PC designers. Supports precise NURBS,analytices, rendering, animiation and drawing composition. |
| CoCreate | | Provider of engineering collaboration software for product design, management, and development, CAD, PLM, mechanical engineering, and workflow management. |
| Drew's MCAD Connection | | A technical resource for users of Autodesk's MCAD products including Mechanical Desktop and Inventor. |
| Engineering Software Solutions | | Developers of engineering based design software for special requirements in industries such as petrochemical, ship building, mining, civil, mechanical, structual, manufacturing, defence and aerospace. |
| freeCAD | | A basic CAD program for creating collections of 3D elements, which can be connected by joints, constraints, actuators, springs, dampers, or forces for running motion simulations. |
| Function Bay, Inc. | | Virtual prototyping of complex mechanical systems with the RecurDyn software products. |
| Intergraph SmartSketch | | A 2D parametric drawing program for Windows, that works on AutoCAD and MicroStation files. |
| IronCAD | | Solid modeling software for mechanical designers and engineers. |
| MCS, Inc. | | Makers of the Anvil Express software for mechanical design, that also has manufacturing features. |
| Pilot3D | | A relational trimmed NURB curve and surface 3D modeling program, useful for boat hulls and other applications. |
| ProSpur+ | | A program designed to create drawings of spur gears, as symbols for ProCAD+ on Acorn RISC computers. |
| Revware, inc. | | Feature-based reverse engineering software for SolidWorks. |
| Romax Technology | | Develops software for gear box design, dynamic simulation of gear shift synchronization, and related tasks. |
| Saga Software | | TabletCAD is a computer program for designing medicinal tablet shapes, calculating tablet volume and surface area and producing tablet technical drawings. |
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