1. Advantest Corp.
2. Bruker Corp.
3. Carl Zeiss AG
4. Danaher Corp.
5. Danish Micro Engineering
6. Delong Instruments AS
7. Hitachi High Technologies Corp.
8. JEOL Ltd.
9. Keysight Technologies Inc.
10. Leica Microsystems
11. Nanoscience Instruments Inc.
12. Nikon Corp.
13. Olympus Corp.
14. Tescan Orsay Holding AS
15. Thermo Fisher Scientific Inc.