| Abbreviation | Definition |
|---|---|
| PLSIQ | Premier Laser Sysems, Inc. |
| PLSIQ | Premier Laser Systems, Incorporated (de-listed) |
| PLSIQ | Premier Laser Systems, Incorporated (de-listed) |
| PLSIZ | Premier Laser Systems, Inc. |
| PLSK | Pulaski Bancorp, Inc. |
| PLSU | Peerless Tube Company |
| PLSZQ | Premier Laser Systems, Inc. (in bankruptcy) |
| PLTC | Platronics, Inc. |
| PLTK | Plastic Recycling, Inc. |
| PLTP | Pilot Transport, Inc. |
| PLUG | Plug Power, Inc. |
| PLUS | Eplus, Inc. |
| PLWY | Peoples Way Communications, Inc. |
| PLXS | Plexus Corporation |
| PLXT | P L X Technology, Inc. |
| PLYR | Polymeric Resources Corporation |
| PMACA | P M A Capital Corporation |
| PMAR | Prime Air, Inc. |
| PMAX | Promax Communications, Inc. |
| PMBS | Piedmont Bank of Stateville, North Carolina |