Dowty Mining Equipment Ltd.
Dreher Hans-Joachim
Dresp Gerd
Du Plessis Joseph A.
Dudding James Ronald
Dunkel Gerd
Dura Matthew J.
Durrfeld Werner
Dyckeroff & Widmann AG of Munich
Dywidag-Systems International USA
E. Dillon & Company
Earth Stabilizing Technology, Inc.
Eaton Jack R.
Eckels Robert Y.
Eda Kazuhiko
Edgar Allen Engineering Limited
Efficiency Production, Inc.
Eggenstein Friedrich
Elekes Andras
Elsner Burckhardt