1. 3M Company
2. Abrasiflex
3. Abrasive technologies LLC
4. Asahi Diamond Industrial
5. Carborundum Universal Limited
6. Deerfos
7. DuPont de Nemours Inc.
8. Fujimi Incorporated
9. Grind Master Machines Pvt. Ltd.
10. G?nter Wendt GmbH
11. Hilti Corporation
12. ILIYCH Abrasive Company
13. Ind?stria Abrasivos S.A.
14. Krebs & Riedel Schleifscheibenfabrik GmbH & Co. KG
15. Nippon Resibon Corporation
16. Noritake Co.Limited
17. NovoAbrasive Ltd.
18. Radiac Abrasives Inc
19. Robert Bosch GmbH
20. Saint-Gobain S.A.
21. Sankyo-Rikagaku
22. sia Abrasives Industries AG