Schels Hans
Skrak Branko
Spiroflow Limited
Spiroflow-Orthos Systems, Inc.
Stielow GmbH & Co. KG
Swinton Peter
Taylor Steven James
Thomson Terry W.
Trottier Denis
van der Vegte Eric
van der Werff Jeichienus Adriaan
Varley Jerry M.
Wehrli Ivan
Wenzig Peter
Wise John D.
Wright Paul R.