| ID | Name | Type |
|---|---|---|
| #3844 | Discovery | Z |
| #3845 | Discovery Software | Z |
| #3842 | Discovogue | Z |
| #3846 | Discus Software | Z |
| #3847 | Disen Software | Z |
| #3848 | Dismaster | ? |
| #3849 | Disney Interactive | Z |
| #3850 | Disney Software | Z |
| #20831 | Disoft | P |
| #3851 | Display Grafix | ? |
| #19880 | Disprosoft | P |
| #3852 | Dissa S.A. | Z |
| #3853 | Dissonator | ? |
| #17229 | Ditto Data | M |
| #3854 | Diver | - |
| #3855 | Divide by Zero | Z |
| #18446 | Divino Carlos Rodrigues Leitão | + |
| #3856 | Diwyang | ? |
| #3857 | Dixie Software | Z |
| #16695 | Dixonmyne | ? |