| Company | Location |
|---|---|
| Dundee Securities Corp. | Toronto, Ontario, Canada |
| DuPont Air Products NanoMaterials LLC | Carlsbad, California, United States |
| DuPont Displays | Research Triangle Park, North Carolina, United States |
| DuPont Photomasks Inc. | Round Rock, Texas, United States |
| DuPont Titanium Technologies | Wilmington, Delaware, United States |
| Durel Corp. | Chandler, Arizona, United States |
| Dust Inc. | Berkeley, California, United States |
| Dutch Ministry of Economic Affairs | Den Haag, Netherlands |
| Dynamic Structures and Materials LLC | Franklin, Tennessee, United States |
| Dynamics Research Corp. - Metrigraphics Division | Wilmington, Massachusetts, United States |
