1. Ansys Inc.
2. Aspen Technology Inc.
3. Autodesk Inc.
4. AVEVA Group plc
5. BobCAD-CAM Inc.
6. Cimatron Group
7. Cranes Software International Ltd.
8. Dassault Systemes
S.A.
9. DGIPRO Design Automation Pvt. Ltd.
10. Intergraph Corporation
11. KBC Advanced Technologies Plc
12. MecSoft Corporation
13. PTC
Inc
14. Rockwell Automation
15. SAP SE
16. Siemens PLM Software Inc.
17. SmartDraw
LLC
18. SolidCAM Ltd.
19. Synopsys Inc.
20. Vectorworks Inc.