Dalton Timothy J.
Danielli C. Officine Meccaniche SpA
Dataliner AB
Dawson Lavaughn J.
Deimold Manfred
Demarest Frank C.
Demirsu Errol A.
DePiero Fred W.
Devenyi Janos
Dipl.-Ing.Bruno Richter GmbH & Co.
Do Douglas
Doan Tam D.
Dolan Bernard J.
Dolan-Jenner
Downward James G.
Dr.-Ing.Wolfgang Schulz Messtechnik
Dunne Mike
Durant David R.