| Company | Location |
|---|---|
| DSM Venturing & Business Development | Heerlen, Netherlands |
| DTRA RD-CB | Alexandria, Virginia, United States |
| Duke University | Durham, North Carolina, United States |
| 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 |
