| ID | Name | Type |
|---|---|---|
| #22465 | H.R. | + |
| #5661 | H.R. Davies | + |
| #5662 | H.S. Bluston | + |
| #5663 | H.S. Goodman | + |
| #5664 | H.S. Software | Z |
| #5665 | H.S.H. Ltda | Z |
| #5666 | H.T.V. Ltd | Z |
| #5667 | HA5DI | ? |
| #5668 | HA5OB | ? |
| #5669 | HARD Software | Z |
| #17327 | HC Home Computers | A |
| #5671 | HCCS | Z |
| #20034 | HD Software | P |
| #15848 | HFS Software | Z |
| #5672 | HGF Software | Z |
| #19870 | HICKS | - |
| #18444 | HJCO | + |
| #5673 | HL Software | Z |
| #5674 | HMC | ? |
| #5675 | HMSoft | Z |