1. Amazon Web Services Inc
2. Bitfury Group
3. Blockstream Corporation Inc.
4. Cegeka nv
5. GuardTime
6. Haidrun
7. Huawei Technologies Co. Ltd.
8. Hyperlink InfoSystem
9. Infosys Limited
10. International Business Machines Corporation
11. Microsoft Corporation
12. Oracle Corporation
13. Ping Identity
14. Protokol BV
15. R3 HoldCo LLC
16. RecordsKeeper
17. SAP SE
18. Sigma Telecom
19. SpinSys
20. SUBEX
21. TBCASoft
22. TBCASoft
Inc
23. TEMOK
24. Wipro Limited
25. Zeeve Inc.