| Abbreviation | Definition |
|---|---|
| DIVE | Ceanic Corporation |
| DIYH | D I Y Home Warehouse, Inc. |
| DIYS | Diasys Corporation |
| DJCO | Daily Journal Corporation of South Carolina |
| DKAI | DAKA International, Inc. |
| DKEY | DataKey, Inc. |
| DKII | D K Investors, Inc. |
| DKIN | Drucker Industries, Inc. |
| DKINE | Drucker Industries, Inc. |
| DKMIQ | Dakota Minerals, Inc. (in bankruptcy) |
| DKNG | DraftKings, Inc. |
| DKWD | D & K Healthcare Resources, Inc. |
| DKWD | D & K Healthcare Resources, Incorporated |
| DLHC | Daleigh Holdings Corporation |
| DLIA | Delias, Inc. |
| DLIF | Dreamlife, Inc. |
| DLL | Direct Link Library |
| DLMA | Sunderland Corporation |
| DLMA | underland Corporation |
| DLSC | Delsecur Corporation |