Douglas Ronald
Drabowicz Albert W.
Drapeau Donald L.
Drescher Andrzej
Dresser, Inc.
Dresser-Nagano, Inc.
Drewes Ulfert
Drubetsky Emil
Duke Christopher C.
Dumsa, Jr. Alfred V.
Dunemann Klaus
Dunn Derek
Dunphy James R
Duppui Hans
Duris Stanislav
Dutoit Bertrand
DuVall Bruce W.
Dwyer Struments, Inc.
Dynatech Frontier Corporation
Dynisco Instruments