| ID | Name | Type |
|---|---|---|
| #3745 | Destroyer | ? |
| #3746 | Destructor | ? |
| #3747 | Desyatkin Denis | + |
| #3748 | Deutscher Verlag der Wissenschaften | ? |
| #3749 | Deva Educational Software | Z |
| #3750 | Develon Software | Z |
| #3751 | Devidsoft | Z |
| #3752 | Devil | ? |
| #3753 | Devonshire House | Z |
| #17220 | Devron Computers | A |
| #18910 | Dewey Franklin | + |
| #22425 | Dexion Software | P |
| #3754 | Dexter [RU] | - |
| #19689 | Dexter [UA] | - |
| #3755 | Di Martino Soft Team | Z |
| #3756 | Diabolic Software | Z |
| #17221 | Dial Grove | M |
| #3757 | Dialgrove Ltd | P |
| #3758 | Dialog Software | Z |
| #3759 | Diamond | ? |