| ID | Name | Type |
|---|---|---|
| #15521 | Wyz | ? |
| #15523 | X Software | Z |
| #18987 | X-Agon | - |
| #15524 | X-Man | ? |
| #15525 | X-Masters | ? |
| #15526 | X-Mus | ? |
| #15527 | X-Prog | ? |
| #15528 | X-Project Association | Z |
| #15529 | X-Rated Software | Z |
| #15530 | X-Theme | ? |
| #15531 | X-Trade Group | Z |
| #22693 | X. L. B. | + |
| #15532 | X. Verdu | ? |
| #17895 | XE Lent Software | X |
| #15533 | XFAWORLD Software | Z |
| #15534 | XL-Design Inc | Z |
| #15535 | XORsoft | Z |
| #15536 | XRI Systems | Z |
| #19613 | XavSnap | - |
| #21891 | Xave | P |