D'Amiano Anthony J.
D.T.A. PTY Ltd
Daibov Sergei V.
Dailey Petroleum Corp.
Dailey Petroleum Services Corp
Danbury Drilling Limited
David Klaus
DeBarro Anthony Joseph Alexander
DeLuish Kenneth R.
Deutschenbaur Paul
Diller Ramik & Wight
Downen Jim L.
Drillco Tools S.A.
Dropkin Robert F.
Dugas Dennis J.
Dumont Fritz