| Name | Country | City | Rating | |
|---|---|---|---|---|
| Happy Trash Software | 0.00 ±0.0 | |||
| Happysoft | 0.00 ±0.0 | |||
| Harcourt Brace Jovanovich, Inc. | 0.00 ±0.0 | |||
| HARD Software | Hungary | 0.00 ±0.0 | ||
| Hardcore Software | 0.00 ±0.0 | |||
| Hardfacts Software | 0.00 ±0.0 | |||
| Hardwood Software | 0.00 ±0.0 | |||
| Haresoft | 0.00 ±0.0 | |||
| Harlequin Software | 0.00 ±0.0 | |||
| Harris House Software | 0.00 ±0.0 | |||
| Hartley Courseware, Inc. | 0.00 ±0.0 | |||
| Harvard Associates | 0.00 ±0.0 | |||
| Hatier | 0.00 ±0.0 | |||
| Hayden Book Company, Inc. | United States | 0.00 ±0.0 | ||
| Hayden Software | 0.00 ±0.0 | |||
| HBSF | 0.00 ±0.0 | |||
| HC | 0.00 ±0.0 | |||
| HCMS | 0.00 ±0.0 | |||
| Hebdogiciel | 0.00 ±0.0 | |||
| HEL Laboratories, Inc. | 0.00 ±0.0 |
