| ID | Name | Type |
|---|---|---|
| #5733 | Hans-Peter Frings Software | Z |
| #22623 | Hans-Peter Funke | + |
| #5734 | Hansesoft GmbH | Z |
| #5735 | Hansjurg Wuthrich | + |
| #15847 | Hantarex | ? |
| #16699 | Hantrex Ltd | Z |
| #21011 | Haplo | - |
| #5736 | Happy Computer | Z |
| #5737 | Harald Bessler | + |
| #5738 | Harald Nitz | + |
| #5739 | Harald Schumny | + |
| #5740 | Harald Seeley | + |
| #5741 | Harald Wilhelm | + |
| #5742 | Harbour Soft | Z |
| #5743 | Hard | ? |
| #5744 | Hard Code | ? |
| #5745 | Hardcore-soft | Z |
| #5746 | Harddata | ? |
| #5747 | Hardsoft | Z |
| #19661 | Hardtek Software | P |