| ID | Name | Type |
|---|---|---|
| #19662 | Possum Records | P |
| #17624 | Post Haste Software | S |
| #17625 | Postal Computer Services | S |
| #17626 | Postell | S |
| #17627 | Postell Mail Order | S |
| #11590 | Postern Ltd | P |
| #11591 | Potz Blitz | ? |
| #11592 | Poul Lyngso | ? |
| #11593 | Power | - |
| #11594 | Power Group | Z |
| #11595 | Power Soft [DE] | Z |
| #11596 | Power Soft [RO] | Z |
| #11597 | Power Software S.A. | Z |
| #11598 | Power Systems | Z |
| #11599 | Power of Sound | Z |
| #11602 | PowerSoftware | P |
| #11600 | Powerhouse Software | P |
| #11601 | Powerplay | Z |
| #11603 | Powertran Cybernetics | Z |
| #11604 | Poxoft | Z |