1. Siemens Ag
2. Dassault Systemes Deutschland Gmbh
3. Autodesk Inc
4. Ptc Inc
5. Sap Se
6. Ansys Inc
7. Oracle Corporation
8. Aras Corporation
9. Arena Solutions
10. Infor Inc
11. Accenture Plc
12. Altair Engineering Inc
13. Razorleaf Corporation