| ID | Name | Type |
|---|---|---|
| #14834 | Trinity Software | Z |
| #17838 | Trionic | A |
| #23039 | Triosoft | P |
| #14835 | Triple R Education | Z |
| #14836 | Triple Six | Z |
| #14837 | Triptych Publishing Ltd | P |
| #20211 | Tritolsoft | Z |
| #14838 | Triton | ? |
| #14839 | Triton Software | Z |
| #19612 | Triudus - S.E.M. | P |
| #18771 | Triumph | - |
| #14840 | Triumph Game Labs | Z |
| #14841 | Triumph International Inc | Z |
| #14842 | Trius Software | Z |
| #14843 | Troggerz Inc | Z |
| #14844 | Trojan Products | Z |
| #14845 | Troll | ? |
| #14846 | Trolls | ? |
| #14847 | Tron Software | Z |
| #14848 | Tronic-Verlag | Z |