Wang I-Cheng
Wang Xizhong
Warex Valve GmbH
Waterworks Technology Development Organization
Weevers Henri H.
Weir Do Brasil Ltda.
Welsh John P.
Westenberg Martin
Wezel Rolf
Whaley William L.
Whitaker Ritchie W.
Wiggington Randall
Wilkins Ronald D.
Williams John B.
Wirzbick Gregory F.
Woo Po P.
Wordin John J.
Worldwide Oilfield Machine, Inc.
Wrasman Thomas J.
Wucik, Jr. Joseph A.