Ardis Robert B.
Bartenstein Peter
Chrystie Henry
Danzer Hermann
Dermitzakis Stefan
Dion Bruno
Gropper Karl-Josef
Hadley Maxwell Richard
Khaw Michael P.
Knotz Herbert
Mathews Kurk D.
McEwen Thomas A.
Nestorovic Mioljub
Potucek Rudolf Karel
Prasse Karl-Heinz
Sartorius-Werke GmbH (und vorm. Gottinger Prazisions-Waagenfabri
Stewart Hughes Limited
Technical Audio Products Corporation
Van Riezen Daniel A.
Yochum Billy G.