| Abbreviation | Definition |
|---|---|
| PMTL | Jsc Poly. Reg S |
| PNA | Penna Consulting, P.L.C. |
| PNL | Personal Assets |
| PNN | Pennon Group |
| PNS | Panther Secs. |
| PNX | Phoenix It |
| POG | Petropavlovsk |
| POKD | Polski Gdr Regs |
| POL | Polo Res. |
| POLR | Polar C. Hldgs |
| PON | Psion |
| POS | Plexus Holdings, P.L.C. |
| POSD | Pwr.tech.regs |
| POSE | Pwr.tech.144a |
| POSX | Pwr.tech.s Temp |
| POSY | Pwr.tech.a Temp |
| POTAM | Panel On Takeovers And Mergers |
| POWR | Powerflute Di |
| PPA | Pan Pacific |
| PPC | Pres Petrol |