| Abbreviation | Definition |
|---|---|
| DFIHY | Dairy Farm International, LTD. |
| DFNL | Definition, LTD. (delisted) |
| DFXI | Direct Focus, Inc. |
| DGAS | Delta Natural Gas Company, Inc. |
| DGCR | Dougall Gaming Corporation |
| DGIC | Donegal Group, Inc. |
| DGII | Digi International, Inc. |
| DGIN | Digital Insight |
| DGIT | Digital Generation Systems, Inc. |
| DGIX | Dyna Group International, Inc. |
| DGJL | D G Jewellery of Canada, LTD. |
| DGJLW | D G Jewellery of Canada, LTD. Warrants |
| DGMF | D M E Interactive Holdings |
| DGPX | Digital Graphix, Inc. |
| DGSE | Dallas Gold & Silver Exchange |
| DGTC | Del Global Technology Corporation |
| DGTLE | Digital Armor, Inc. |
| DGTTE | Digitech 2000, Inc. |
| DHBT | D H B Capital Group, Inc. |
| DHMG | D H Marketing & Consulting |