| Name | Country | City | Rating | |
|---|---|---|---|---|
| Turbo Software | 0.00 ±0.0 | |||
| Turbosoft | 0.00 ±0.0 | |||
| Turkey Software | 0.00 ±0.0 | |||
| TV-Software | 0.00 ±0.0 | |||
| TWAUG | 0.00 ±0.0 | |||
| TWAUG Newsletter | 0.00 ±0.0 | |||
| Twenty-Fifth Century Software | 0.00 ±0.0 | |||
| Tymac (UK) | United Kingdom | 0.00 ±0.0 | ||
| Tymac, Inc. | 0.00 ±0.0 | |||
| Tynesoft | 0.00 ±0.0 | |||
| Tyson Educational Systems, Inc. | 0.00 ±0.0 | |||
| UKACOC | 0.00 ±0.0 | |||
| UltraBASIC, Inc. | 0.00 ±0.0 | |||
| Umbrella Software, Inc. | 0.00 ±0.0 | |||
| UMI | 0.00 ±0.0 | |||
| Unicorn Software | 0.00 ±0.0 | |||
| Unimport | 0.00 ±0.0 | |||
| United Electronic Crazies | 0.00 ±0.0 | |||
| United Software of America | 0.00 ±0.0 | |||
| University Software | 0.00 ±0.0 |
