Duecker Ronald A.
Duerr Herbert
Duesberg Wilfried
Duffy Edward Aloysius
Dugger, Jr. Charles B.
Duke, Jr. John D.
Dumaine Thomas J.
Dunbar Richard M.
Duncan Donald H.
Duncan Technologies
Dunham Paul V.
Dunn Mark R.
DUOS Engineering (USA), Inc.
Duosengineering (USA), Inc.
Dupont Teijin Films U.S. Limited Partnership
Dupuis Ryan W
Duputs Jacques
Durafibre Inc.
Durametal Corporation
Duratech Industries International Inc.