Dacal Claudio R.
Daniels Philim B.
Davenport Billy
De Raco Maurice
Delaval Turbine GmbH
Delvecchio Leonard P.
DelVecchio, Jr. Leonard P.
Denny Dann W.
Doherty Robert
Donnelly John M.
Dorward Donald Charles
Dr. Siebert & Kuhn GmbH & Co. KG
Drago Derrin T.
Drew Maurice J.
DSS Operating Valve Company
Duhamel Georges
Dwyer Daniel
Dwyer Instruments, Inc.
Dwyer Precision, Inc.