1. ABB Ltd.
2. Aspen Technology Inc.
3. BISTel Inc.
4. DNV GL
5. Emerson Electric Co.
6. GrayMatter Software Services Pvt Ltd
7. Honeywell International Inc.
8. International Business Machines Corporation
9. IPS Intelligent Process Solutions GmbH
10. Nexus Global Business Solutions Inc.
11. Oracle Corporation
12. Rockwell Automation Inc.
13. SAP SE
14. Schneider Electric SE
15. Siemens Energy AG
16. Yokogawa Electric Corporation