Waste Management Inc.
Watson Roger Charles
Weatherford Enterra U.S., Inc.
Weatherford International, Inc.
Weatherford/DMC, Inc.
Well Ballistics, Ltd.
Weltec A/S
Wesson David
Wetzel Rodney J.
Whanger James Kenneth
Whelan Anthony J
Wheller Stephen
Wiig Erling J.
Williams, Jr. Eldon G.
Williamson Dan
Williamson Patrick
Wilson Tom P.
Winterrowd Ken
Wong Choon Fei
Wood Brian C.