| ID | Name | Type |
|---|---|---|
| #17603 | PM Software | S |
| #10826 | PMCG Soft | Z |
| #10827 | PMCS | ? |
| #19238 | PNSoft | - |
| #10828 | POWER DiamonD Software | Z |
| #10829 | PP | ? |
| #17604 | PPC Mail Order | S |
| #10830 | PR Electronics | Z |
| #10831 | PR Software | Z |
| #20807 | PRAHA Software | P |
| #10832 | PRISM Micro-informatique S.A. | Z |
| #18745 | PROSM Software | P |
| #17605 | PRS Software | S |
| #21932 | PS | + |
| #22040 | PS-Software | Z |
| #10833 | PSB | ? |
| #10834 | PSI | ? |
| #10835 | PSL | ? |
| #10836 | PSNDCJ | U |
| #10837 | PSS | P |