| ID | Name | Type |
|---|---|---|
| #3091 | D.W.T. | ? |
| #18815 | D.X. Stone | + |
| #3092 | D3 Publisher Inc | Z |
| #3093 | D3M Software | Z |
| #3094 | DAB Labs | ? |
| #17203 | DACC | S |
| #3095 | DAF | ? |
| #3096 | DATAforlaget | ? |
| #3097 | DAZ Computer Software | Z |
| #17204 | DC Video & Computers | A |
| #3098 | DCG | ? |
| #17205 | DCP | H |
| #3099 | DCP Microdevelopments Ltd | Z |
| #3100 | DCS | ? |
| #3101 | DCrypt | ? |
| #3102 | DD | ? |
| #3103 | DDp | ? |
| #3104 | DECO | Z |
| #19487 | DEFB Studio | P |
| #3105 | DEV Software | Z |