W&E Umwelttechnik AG
Wajer Mark
Waldhecker Heinz-Dieter
Walker William C
Wall Clarence J.
Walter Herman K.
Walter Brinkmann GmbH
Walterbusch Michael
Wamsler-Herd-Und Ofen GmbH
Wang Gonglin
Wang Yupeng
Wanger Harald
Wassmann Diana
Waste Recovery, Inc.
Waterscience, Inc.
Watts Dan
Weathery James K.
Weber Ekkehard
Weiwers Rene
Welzel Horst