| Name | Country | City | Rating | |
|---|---|---|---|---|
| RASCOM | 0.00 ±0.0 | |||
| Rassilon Software | 0.00 ±0.0 | |||
| Raster Software | 0.00 ±0.0 | |||
| Ravensburger | 0.00 ±0.0 | |||
| Raymon Aldridge Design | 0.00 ±0.0 | |||
| READY Software | 0.00 ±0.0 | |||
| Real Software | 0.00 ±0.0 | |||
| RealTimeSoft | 0.00 ±0.0 | |||
| Red Rat Software Ltd. | 0.00 ±0.0 | |||
| Red Twat Software | 0.00 ±0.0 | |||
| Reeve Software | 0.00 ±0.0 | |||
| Rensoupp | 0.00 ±0.0 | |||
| Resource Software International | 0.00 ±0.0 | |||
| Reston Publishing Company, Inc. | United States | Reston, Virginia | 0.00 ±0.0 | |
| Retronics | 0.00 ±0.0 | |||
| RetroZock | 0.00 ±0.0 | |||
| Revista STAK | 0.00 ±0.0 | |||
| Rhiannon Software | 0.00 ±0.0 | |||
| Richard Gore | 0.00 ±0.0 | |||
| Richard Wilcox Software | 0.00 ±0.0 |
