| Name | Country | City | Rating | |
|---|---|---|---|---|
| Orion Software | 0.00 ±0.0 | |||
| Orkus Software | 0.00 ±0.0 | |||
| Osborne Books Limited | United Kingdom | 0.00 ±0.0 | ||
| Our 5oft | Poland | 0.00 ±0.0 | ||
| Outland Quest Software | 0.00 ±0.0 | |||
| P & L Soft | 0.00 ±0.0 | |||
| P. Dumpleton | 0.00 ±0.0 | |||
| P. J. Collender | 0.00 ±0.0 | |||
| P. M. Corbishley | 0.00 ±0.0 | |||
| PACE | 0.00 ±0.0 | |||
| Page 5 | 0.00 ±0.0 | |||
| Page 6 | 0.00 ±0.0 | |||
| Page 6 Library | 0.00 ±0.0 | |||
| Page 6 Software | 0.00 ±0.0 | |||
| Pan Books | 0.00 ±0.0 | |||
| Panda Soft | 0.00 ±0.0 | |||
| Pandora Software | 0.00 ±0.0 | |||
| Panic Software | 0.00 ±0.0 | |||
| PantherSoft | 0.00 ±0.0 | |||
| Papillon | 0.00 ±0.0 |
