Schaeffer David J.
Schwing Friedrich
Schwing Gerhard
Seiler Hanspeter
Seiler Niklaus
Serac France
Shadden Darrel W.
Shaefer Thomas J.
Shell Western E & P Inc.
Sherrod Eugene L.
Sterling-Winthrop Group Limited
Stoll Erich Paul
Suter Andreas
Swain David O.
Swartwood James M.