| Nimi | Paikkakunta |
|---|---|
| Protensor Oy | Helsinki |
| Proticket Oy | Helsinki |
| PROTMUS | Helsinki |
| Protoapu Matti Kleemola | Helsinki |
| Proton Pseudos | Helsinki |
| PROTONE ry | Helsinki |
| ProtonIT Oy | Helsinki |
| ProUnioni ry | Helsinki |
| Provalskaja Julia | Helsinki |
| Provectus Holding Oy | Helsinki |
| Provedos Oy | Helsinki |
| Proverbial Oy | Helsinki |
| Proversa Oy | Helsinki |
| Proveta Oy | Helsinki |
| ProviisoriViesti Oy | Helsinki |
| Provimon Oy | Helsinki |
| PROVISTA | Helsinki |
| Provitra Ky | Helsinki |
| PRRS Finland Ky | Helsinki |
| PSI CRU | Helsinki |
| PSI Practical software innovations | Helsinki |
| PSR-Trading Oy | Helsinki |
| PSRT Avoin yhtiö | Helsinki |
| Pst Oy | Helsinki |
| psyFORMI Oy | Helsinki |
Yritysesittely