| Name | Country | City | Rating | |
|---|---|---|---|---|
| Allrian Data Services | 0.00 ±0.0 | |||
| Allsoft & GDT | 0.00 ±0.0 | |||
| Alpha Systems | United States | Stow, Ohio | 0.00 ±0.0 | |
| Alternate Reality Software | 0.00 ±0.0 | |||
| Alternative Software | 0.00 ±0.0 | |||
| Amanda Systems | 0.00 ±0.0 | |||
| Amarok | Germany | 0.00 ±0.0 | ||
| Amazon Systems | 0.00 ±0.0 | |||
| AMC-Soft | 0.00 ±0.0 | |||
| AMC-Verlag | 0.00 ±0.0 | |||
| American Eagle Software | 0.00 ±0.0 | |||
| Americana | 0.00 ±0.0 | |||
| Amethyst Software | 0.00 ±0.0 | |||
| Amulet Enterprises | 0.00 ±0.0 | |||
| ANALOG 400/800 Corp. | United States | Worcester, Massachusetts | 0.00 ±0.0 | |
| ANALOG Computing | United States | Worcester, Massachusetts | 0.00 ±0.0 | |
| ANALOG Software | 0.00 ±0.0 | |||
| Anco Software | 0.00 ±0.0 | |||
| ANG Software | 0.00 ±0.0 | |||
| Anirog Software | 0.00 ±0.0 |
