Waggett Gordon G.
Wajc Samuel
Wallace D. Daniel
Wallace, Inc.
Wang Pingmei
Wang Xiaolan
Watkinson Michael
Weatherford Engineered Chemistry Canada Ltd
Weatherford Engineered Chemistry Canada Ltd.
Webber Peter A.
Wentzler Tom
Whiting Andrew
Wilson Rohan
Wilson Steve F.
Wolf Bernhard W.
Wolfco Group, Inc.
Woo George Tso-chih
WSP Chemicals & Technology, L.L.C.