Detroit William J.
Dewar John Alexander Gordon
Dewprashad Brahmadeo T.
Dickerson Jimmy P.
Dieball Kent J.
Dillenbeck, III Robert L.
Dockins, Jr. Ray R.
Doe Peter H.
Dougherty Jennifer
Dougherty, Jr. C. Clark
Dougherty, Jr. C. clark
Dougherty, Jr. Clark
Doughery, Jr. C. Clark
Dovan Hoai T.
Downhole Plugback Systems, Inc.
Downhole Solutions, Inc.
Drochon Bruno
Du Pont (Australia) Ltd.
Duke John A.
Duncan Stewart M.