| Abbreviation | Definition |
|---|---|
| POMPP | Potomac Electric Power Company Preferred |
| PONY | an American Motorsports |
| PONY | Pan American Motorsports |
| POOL | S C P Pool Corporation |
| POPEZ | Pope Resources of Delaware, L. P. |
| POPEZ | Pope Resources of Delaware, L. P. (de-listed) |
| POPEZ | Pope Resources of Delaware, L. P. (de-listed) |
| POPM | Popmail.Com, Inc. |
| POPM | Popmail.Com, Incorporated (de-listed) |
| POPM | Popmail.Com, Incorporated (de-listed) |
| POPMU | Popmail.Com, Inc. |
| POPMU | Popmail.Com, Incorporated (de-listed) |
| POPMU | Popmail.Com, Incorporated (de-listed) |
| POPMW | Popmail.Com, Inc. Warrants |
| POPMW | Popmail.Com, Incorporated Warrants (de-listed) |
| POPMW | Popmail.Com, Incorporated Warrants (de-listed) |
| POPT | Poppe Tyson, Inc. |
| POPT | Poppe Tyson, Incorporated (de-listed) |
| POPT | Poppe Tyson, Incorporated (de-listed) |
| POSC | Positron Corporation |