| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Pecus | 0.00 ±0.0 | ||||
| Pegaso | 0.00 ±0.0 | ||||
| PEKA-Software Co. | 0.00 ±0.0 | ||||
| Pelusa Software | 0.00 ±0.0 | ||||
| Pentagram | Poland | Wroclaw (Wrocław) | 0.00 ±0.0 | ||
| People's Computer Company | 0.00 ±0.0 | ||||
| Percom Data Company, Inc. | 0.00 ±0.0 | ||||
| Personal Software | 0.00 ±0.0 | ||||
| Petulka Software | 0.00 ±0.0 | ||||
| PF Software | 0.00 ±0.0 | ||||
| PH Soft | 0.00 ±0.0 | ||||
| Phobotron | 0.00 ±0.0 | ||||
| Phoenix Publishing Associates | 0.00 ±0.0 | ||||
| PI Software | 0.00 ±0.0 | ||||
| Piedmont Triad Atari Users Group | United States | Greensboro, North Carolina | 0.00 ±0.0 | ||
| Pierdolec | 0.00 ±0.0 | ||||
| Pigula Soft | 0.00 ±0.0 | ||||
| Pilgrims | 0.00 ±0.0 | ||||
| Pink Softhard | Poland | 0.00 ±0.0 | |||
| Pirate Plunder | 0.00 ±0.0 |
