トップSteamゲーム開発者 - 文字 A
| 名称 | アプリ数 |
|---|---|
| ARTillery | 1 536 |
| Arc System Works | 300 |
| ayato sound create | 156 |
| Atomic Games | 120 |
| Aspyr (Mac) | 118 |
| Archor Wright | 99 |
| ACQUIRE Corp. | 93 |
| Aspyr (Linux) | 91 |
| Activision Shanghai | 83 |
| ATLUS | 82 |
| Atomic Fabrik | 76 |
| Airem | 73 |
| AMPLITUDE Studios | 71 |
| Anamik Majumdar | 63 |
| Amax Interactive | 61 |
| Aldorlea Games | 60 |
| Avalanche Studios | 56 |
| Anatoliy Loginovskikh | 46 |
| Acram Digital | 45 |
| Akhir Pekan Studio | 44 |