1. Varian Medical Systems Inc.

2. Becton Dickinson & Company

3. Elekta AB

4. Isoray Medical Inc.

5. Eckert & Ziegler BEBIG

6. iCAD Inc.

7. CIVCO Medical Solutions

8. Theragenics Corporation

9. Argon Medical Devices Inc.

10. Carl Zeiss Meditec AG