| Name | Country | City | Rating | |
|---|---|---|---|---|
| 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 | |||
| Adult Video Games | 0.00 ±0.0 | |||
| Advanced Computing Enterprises | 0.00 ±0.0 | |||
| Advantech | 0.00 ±0.0 | |||
| Adventronic System | 0.00 ±0.0 | |||
| Adventure International (UK) | United Kingdom | 0.00 ±0.0 | ||
| Adventure International (USA) | United States | 0.00 ±0.0 | ||
| AdVentures | 0.00 ±0.0 |
