1. Toshiba Corporation
2. Koninklijke Philips N.V.
3. Carestream Health.
4. Shenzhen Mindray Bio-Medical Electronics Co. Ltd
5. Ziehm Imaging GmbH
6. Canon Inc.
7. FUJIFILM Holdings Corporation
8. Danaher Corporation
9. Midmark Corporation
10. Apteryx Imaging Inc.
11. Varian Medical Systems Inc.