Warashina Hidenaga
Ward T. Victor
Wardle David I.
Watts Donald A.
Watts Michael P. C.
Wedeco AG Water Technology
Wegmuller Mark
Welsh Water Enterprises Limited
Wesley Edward J.
White Philip T.
Wilson Kevin G.
Winstead Christopher B.
Wisniewski Thomas C.
Wong George Ke-Lun
Wong Kam Sang
Wong Kam Sing
Wong Ke-Lun George
Wu Chi Wai Marcus
Wüest Martin P.
Wurm Stefan