| Name | Country | City | Rating | |
|---|---|---|---|---|
| Pro*Mega Software | 0.00 ±0.0 | |||
| Probe 2000 | 0.00 ±0.0 | |||
| Prodata Group | 0.00 ±0.0 | |||
| Prof Soft Amsterdam | 0.00 ±0.0 | |||
| Professional Software | 0.00 ±0.0 | |||
| Program One, Inc. | 0.00 ±0.0 | |||
| Programma International | 0.00 ±0.0 | |||
| Project SERAPHIM | 0.00 ±0.0 | |||
| Prophecy Investments, Inc. | 0.00 ±0.0 | |||
| ProSoft | 0.00 ±0.0 | |||
| PSS | 0.00 ±0.0 | |||
| Psychological Software Services, Inc. | 0.00 ±0.0 | |||
| PTSoft | 0.00 ±0.0 | |||
| Pulsar Software | 0.00 ±0.0 | |||
| Purplesoft | 0.00 ±0.0 | |||
| PW Software, Inc. | 0.00 ±0.0 | |||
| Pyramid Software | 0.00 ±0.0 | |||
| The Programmer's Institute | 0.00 ±0.0 | |||
| The Programmers Workshop | 0.00 ±0.0 |
