Davison Douglas W.
Dawson Alex
de Hoedt Bernard
Dearing Michael Patrick
Deel Donald W.
DeLuca Frank V.
DeStefan Jody Lynn
Dietrich Michael J.
Dijkstra Nouline
Dinkins Walter R.
Dion Mike
Directional Systems, Inc.
Ditta Frank
Divis Robert
Doane James Christopher
Dolyniuk David A.
Donnell Ben A.
Donnelly Martin
Dowell, a division of Schlumber Technology Corporation
Drakeley Brian Keith