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