1. General Electric Company
2. Allscripts Healthcare Solutions
Inc
3. Carestream Health
Inc
4. Cerner Corporation
5. Epic Systems Corporation
6. IBM
7. Koninklijke Philips N.V.
8. McKesson Corporation
9. MedInformatix
Inc
10. Siemens Healthineers AG
11. Merge Healthcare Incorporated
12. Novarad Corp
13. Shimadzu Corporation
14. Hologic Inc.
15. EIZO Corporation
16. Sectra AB
17. Fischer Medical
18. CANON MEDICAL SYSTEMS CORPORATION
19. FUJIFILM Holdings Corporation
20. ESAOTE SPA
21. Hitachi Ltd.
22. Elekta AB
23. Varian Medical Systems (Acquired by Siemens Healthineers)