| Abbreviation | Definition |
|---|---|
| PROP | Property Rec. |
| PROV | Proventec |
| PRP | Prime People |
| PRT | Port.fd.idr |
| PRU | Prudential |
| PRV | Porvair |
| PRW | Promethean |
| PRX | Proximagen Group |
| PRX | Proximagen Grp |
| PRZ | Prezzo |
| PS | Price/Sale(Price-To-Sales Ratio) |
| PSD | Psource |
| PSK | ProStrakan Group |
| PSL | Photonstar Led |
| PSN | Persimmon |
| PSON | Pearson |
| PSPI | Public Srv.prop |
| PSQ | Parseq |
| PTCM | Porta Comms. |
| PTD | Pittards |