| Abbreviation | Definition |
|---|---|
| DDIM | Data Dimensions, Inc. |
| DDLEW | D D L Electronics, Inc. Warrants (delisted) |
| DDRX | Diedrich Coffee, Inc. |
| DEAFY | Den Danske Bank, A. S. |
| DEAR | Dearborn Bancorp, Inc. |
| DEBC | Delta National Bancorp of California |
| DEBS | Deb Shops, Inc. |
| DECAF | Decoma International, Inc. |
| DECC | D & E Communications, Inc. |
| DECG | Decor Group, Inc. |
| DECGW | Decor Group, Inc. Warrants |
| DECK | Deckers Outdoor Corporation |
| DECO | Decora Industries, Inc. |
| DECRF | Diagnocure, Inc. |
| DECT | Dectron Internationale, Inc. |
| DECTW | Dectron Internationale, Inc. Warrants |
| DELI | Jerrys Famous Deli, Inc. |
| DELL | Dell Computer Corporation |
| DELML | DelMarVA Power & Light Company |
| DELMO | DelMarVA Power & Light Company |