1. AB Controls Inc.
2. Advantest Corporation
3. ALL-TEST Pro
LLC
4. Astronics Corporation
5. Averna Technologies Inc.
6. Chroma ATE Inc.
7. Cohu Inc.
8. Innovar Systems Limited
9. InterTech Development Co.
10. Kokusai Inc.
11. Marvin Test Solutions
12. Micro-Epsilon
13. National Instruments Corporation
14. OMRON Corporation
15. Roos Instruments
16. STAr Technologies
17. Teradyne Inc.
18. TRICOR Systems Inc.
19. Viewpoint Systems
Inc
20. Wabtec Corporation