1. Abbott Laboratories
2. Asklepios Kliniken GmbH & Co. KGaA
3. Boston Scientific Corporation
4. Cardiovascular Systems Inc.
5. Eifelh?hen Klinik AG
6. Envision Healthcare Inc.
7. Fresenius Medical Care AG & Co. KGaA
8. GE Healthcare
9. HCA Healthcare Inc.
10. Healthway Medical Corporation Limited
11. Koninklijke Philips N.V.
12. Medtronic PLC
13. Siemens AG
14. Suomen Terveystalo Oy
15. Tenet Healthcare Corporation