1. Acro Automation Systems Inc.
2. Ador Welding Limited
3. Advanced Technologies and Materials Co. Ltd.
4. Air Liquide S.A.
5. Air Products & Chemicals Inc.
6. Amada Weld Tech
7. Banner Welding Inc
8. Carl Cloos Schweisstechnik Gmbh
9. Colfax Corporation
10. Daihen Corporation
11. Denyo Co. Ltd
12. Fronius International Gmbh
13. Hyundai Welding Co. Ltd.
14. Illinois Tool Works Inc.
15. Kobe Steel
16. Lincoln Electric Holdings
17. Panasonic Corporation
18. Precision Castparts Corp.
19. Sonics & Materials Inc.