| Name | Country | City | Rating | |
|---|---|---|---|---|
| Accelerated Computer Research | 0.00 ±0.0 | |||
| Access Software | 0.00 ±0.0 | |||
| Accolade | United States | Cupertino, California | 0.00 ±0.0 | |
| ACE | 0.00 ±0.0 | |||
| ACE (NSW) | 0.00 ±0.0 | |||
| ACE Newsletter | 0.00 ±0.0 | |||
| ACE of Columbus | 0.00 ±0.0 | |||
| ACE Program Exchange | 0.00 ±0.0 | |||
| ACME Software | 0.00 ±0.0 | |||
| ACORN | 0.00 ±0.0 | |||
| Acorn Software | 0.00 ±0.0 | |||
| ACS | 0.00 ±0.0 | |||
| Action Software | 0.00 ±0.0 | |||
| Activision | United States | 0.00 ±0.0 | ||
| Activision (UK) | United Kingdom | 0.00 ±0.0 | ||
| AD 400 | 0.00 ±0.0 | |||
| Ad Astra | 0.00 ±0.0 | |||
| Addictive Games | 0.00 ±0.0 | |||
| Addison-Wesley Publishers Limited | Canada | 0.00 ±0.0 | ||
| Adrian Zietkiewicz | 0.00 ±0.0 |
