Wakamizu Sangyo Kabushiki Kaisha
Waki Jun
Waterpure Technologies, Inc.
Weber Leo D.
Werkstoff & Funktion Grimmel Wassertechnik GmbH
Werner Brandin
Wickins Jeremy
Wildlife Science, Inc.
Wingate Eric
Winkler William W.
Woodward Stephen M.
World Chemical Co., LTD.
World Max Alliance Limited
Woyciesjes Peter M.
Wu Chen-Yang
Wünsche Gisbert