1. Abbott Laboratories
2. Abiomed
3. Berlin Heart
4. Bivacor Inc.
5. Boston Scientific Corporation
6. Calon Cardio-Technology Ltd.
7. CareDx Inc.
8. Edwards Lifesciences
9. Fresenius Medical Care AG & Co. KGaA
10. GE Healthcare
11. Getinge AB
12. Jarvik Heart Inc.
13. Johnson & Johnson Services Inc.
14. LivaNova Inc.
15. Medtronic PLC
16. SynCardia Systems
LLC
17. Terumo Europe N.V.
18. Thoratec Corporation
19. W. L. Gore & Associates