Watson Roger C.
Weatherford Lamb, Inc
Weatherford/Lams, Inc.
Webb Earl
Weeks Benjamin R.
Weightmann Glenn H.
Weining Conrad Gustave
Welldynamics Inc.
Wellheads & Safety Control, Inc.
Welltec A/S
Wendorf Scott F.
Western Well Tool
Western Well Tool, Inc.
Whanger James K.
Whanger Ken
White Pat Murphy
Whitehead Jonathan K. C.
Whitelaw Calum
Whitney Dwayne L.
Whitsitt John