| Name | Country | City | Rating | |
|---|---|---|---|---|
| DataSoft, Inc. | 0.00 ±0.0 | |||
| Datri Software | Czech Republic (Czechia) | 0.00 ±0.0 | ||
| Davicopy | 0.00 ±0.0 | |||
| Davidson | 0.00 ±0.0 | |||
| Davka Corporation | 0.00 ±0.0 | |||
| Daybreak Software | 0.00 ±0.0 | |||
| Daystar Learning Corp. | 0.00 ±0.0 | |||
| DBM Software | 0.00 ±0.0 | |||
| DD-Club Software | 0.00 ±0.0 | |||
| Dean Garraghty Software | 0.00 ±0.0 | |||
| Dehet Software | 0.00 ±0.0 | |||
| Dell Publishing Co., Inc. | United States | New York | 0.00 ±0.0 | |
| Demi-Software | 0.00 ±0.0 | |||
| DesignWare, Inc. | 0.00 ±0.0 | |||
| Devasoft | 0.00 ±0.0 | |||
| Dial | Poland | 0.00 ±0.0 | ||
| Digital Artworx | 0.00 ±0.0 | |||
| Digital Integration | 0.00 ±0.0 | |||
| Dilithium Press | United States | Beaverton, Oregon | 0.00 ±0.0 | |
| Dirty Dan and Company | 0.00 ±0.0 |