| ID | Name | Type |
|---|---|---|
| #14864 | Tweety Soft Ltd | Z |
| #14865 | Twenty 4 Hollis | ? |
| #14866 | Twibright Labs | Z |
| #14867 | Twig Systems Software | P |
| #14868 | Twilight | Z |
| #14869 | Twillstar Computers | H |
| #14870 | Twin | ? |
| #14871 | Twin Peaks | ? |
| #14873 | Twitchy Fingers | - |
| #14874 | Two Bears Software | Z |
| #22554 | TxarlyBoy Games | + |
| #14875 | Tycho Lamerights | ? |
| #14876 | Tyepro | ? |
| #14877 | Tygrys | - |
| #14878 | Tymac | M |
| #14879 | Tymore | ? |
| #14880 | Tyne Tees Television | ? |
| #14881 | Tynesoft | P |
| #14882 | Typo III | ? |
| #18316 | Tyrant | P |