Robert Bosch GMBH
3M Company
Saint-Gobain Abrasives Inc. Fujimi Incorporated
Asahi Diamond Industrial Co. Ltd. Cumi Murugappa Group (Carborundum Universal Limited)
Mirka Ltd. Henkel AG & Co. KGaA
Nippon Resibon Corporation
Sankyo Rikagaku Co. Ltd. Noritake Co. Ltd. Tyrolit Group
Boride Engineered Abrasives
Flexovit USA Inc. Abrasive Technology Inc. etc.