| Name | Country | City | Rating | |
|---|---|---|---|---|
| Sunset Software | 0.00 ±0.0 | |||
| Sunshine Books | 0.00 ±0.0 | |||
| Supersoft | 0.00 ±0.0 | |||
| SUPERware | 0.00 ±0.0 | |||
| Surrealistek Software | 0.00 ±0.0 | |||
| Survival Software | 0.00 ±0.0 | |||
| Susie Software | 0.00 ±0.0 | |||
| SVS | 0.00 ±0.0 | |||
| SWB, Inc. | 0.00 ±0.0 | |||
| Swifty Software | 0.00 ±0.0 | |||
| Sybex, Inc. | United States | Berkeley, California | 0.00 ±0.0 | |
| Sydney Development Corp. | 0.00 ±0.0 | |||
| Symsoft Enterprises | 0.00 ±0.0 | |||
| Synapse Software Corp. | 0.00 ±0.0 | |||
| Syncro, Inc. | 0.00 ±0.0 | |||
| Synergistic Software | 0.00 ±0.0 | |||
| SynSoft | 0.00 ±0.0 | |||
| System 3 Software | United Kingdom | 0.00 ±0.0 | ||
| Syzygy Microware of Texas | 0.00 ±0.0 | |||
| The Software Cellar | 0.00 ±0.0 |
