1. Bartec Technologies Ltd.
2. Carville Limited
3. Computerized Imaging Reference Systems Inc.
4. FUJIFILM Holdings Corporation
5. GE Healthcare
6. Gold Standard Phantoms
7. Kyoto Kagaku Co. Ltd.
8. Leeds Test Objects Ltd.
9. Modus Medical Devices Inc.
10. PTW Freiburg GmbH
11. Pure Imaging Phantoms
12. Shimadzu Corp.