| Abbreviation | Definition |
|---|---|
| DELMP | DelMarVA Power & Light Company |
| DELT | Delta Galil Industries, Inc. |
| DEMIE | D E M, Inc. |
| DEMP | Drug Emporium, Inc. |
| DENC | Dencor Energy Cost Control |
| DENHY | Denison International, P. L. C. |
| DENT | Interdent, Inc. |
| DENTF | Dentonia Resources, LTD. |
| DESI | Designs, Inc. |
| DESW | Desert Winds |
| DETC | Detection Systems, Inc. |
| DEVBY | Development Bank of Singapore |
| DEVC | Devcon International Corporation |
| DEVT | Developed Technology Resources, Inc. |
| DEWY | Dewey Electronics Corporation |
| DEXT | Dexterity Surgical, Inc. |
| DEYU | Deyu Agriculture Corporation |
| DFCO | Destron Fearing Corporation |
| DFCU | Drummond Financial Corporation |
| DFIB | Cardiac Science, Inc. |