| Name | Country | City | Rating | |
|---|---|---|---|---|
| Unknown (Publisher) | 0.00 ±0.0 | |||
| UNO Software | 0.00 ±0.0 | |||
| Urania Systems | 0.00 ±0.0 | |||
| US Gold | 0.00 ±0.0 | |||
| US Mibusoft | 0.00 ±0.0 | |||
| USA | 0.00 ±0.0 | |||
| User-Mag | 0.00 ±0.0 | |||
| UserSoft | 0.00 ±0.0 | |||
| Utopia | Poland | 0.00 ±0.0 | ||
| Utopia Software | 0.00 ±0.0 | |||
| UtopiaSoft | 0.00 ±0.0 | |||
| UTX | 0.00 ±0.0 | |||
| UV Software | 0.00 ±0.0 | |||
| Valpar International Corporation | 0.00 ±0.0 | |||
| ValSoft | 0.00 ±0.0 | |||
| Value-U-Line | 0.00 ±0.0 | |||
| Vansoft | 0.00 ±0.0 | |||
| Veg Software | 0.00 ±0.0 | |||
| Venerable Software | 0.00 ±0.0 | |||
| Ventura Educational Systems | 0.00 ±0.0 |
