| Abbreviation | Definition |
|---|---|
| PNTH | Pantheon Industries, Inc. |
| PNTK | Pentech International, Inc. |
| PNTU | Pontotoc Productions, Inc. |
| PNTV | Players Network, Inc. |
| PNVB | Peoples Bank of Danville Virginia |
| PNVL | Prineville Bancorp |
| PNVN | Pnv.Net, Inc. |
| PNWK | Path 1 Network Technologies |
| POCC | Penn Octane Corporation |
| POCI | Precision Optics, Inc., of Massachusetts |
| POCI | Precision Optics, Incorporated (de-listed) |
| POCI | Precision Optics, Incorporated (de-listed) |
| POCOE | Politics.Com, Inc. |
| POFL | Po Folks, Inc. |
| POHF | Peoples Ohio Financial Corporation |
| POKR | Casino Airlink, Inc. |
| POLL | R. L. Polk & Company |
| POLU | Polus, Inc. |
| POLXF | Polydex Pharmaceuticals |
| POLY | Planet Polymer Technologies, Inc. |