| Abbreviation | Definition |
|---|---|
| PDII | Professional Detailing, Inc. |
| PDIM | Prandium, Inc. |
| PDKL | P D K Labs, Inc. |
| PDKLP | P D K Labs, Inc. Preferred |
| PDKLP | PDK Labs, Incorporated Preferred (de-listed) |
| PDKLP | PDK Labs, Incorporated Preferred (de-listed) |
| PDLI | Protein Design Labs, Inc. |
| PDLPY | Pacific Dunlop, LTD. |
| PDMC | Princeton Dental Management Corporation |
| PDMCW | Princeton Dental Management Corporation Warrants |
| PDMCW | Princeton Dental Management Corporation Warrants (de-listed) |
| PDMCW | Princeton Dental Management Corporation Warrants (de-listed) |
| PDMWC | Princeton Dental Management Corporation Warrants C |
| PDMWC | Princeton Dental Management Corporation Warrants C (de-listed) |
| PDMWC | Princeton Dental Management Corporation Warrants C (de-listed) |
| PDRX | PD-RX Pharmaceuticals, Inc. |
| PDSE | Paradise Music & Entertainment, Inc. |
| PDSEW | Paradise Music & Entertainment, Inc. Warrants |
| PDSF | PDS Financial Corporation |
| PDSFW | PDS Financial Corporation Warrants |