Roussy Emilien
Ruark William W.
Rudolf Boris E.
Rudolph Gary
Ruestow Brian A.
Rullis Ralph F.
Rutstrum Calvin
Rutter Harold T.
Rybicki Patrice Michelle
Ryer Richard N. II
Sadamura Morito
Sadow Peter T. (jr.)
Sager Russell J.
Saguchi Takeshi
Saguchi Abrasives Industry Co. Ltd.
Saigusa Kyuji
Saint-Gobain Abrasifs Technologie Et Services S.a.s.
Sakcriska Glenn
Salberg Mervyn
Salerno Michael Paul