Développeurs de Jeux Steam - Lettre I
| Nom | Nombre d'applications |
|---|---|
| IDEA FACTORY | 320 |
| IR Studio | 217 |
| Infinity Ward | 180 |
| INTI CREATES CO., LTD. | 111 |
| i29tsro | 95 |
| Individual Software | 60 |
| id Software | 48 |
| IllFonic | 44 |
| ImperiumGame | 42 |
| IO Interactive A/S | 37 |
| InvertMouse | 36 |
| Intuition Technology | 32 |
| Instinct Games | 26 |
| indie_games_studio | 26 |
| Ivanovich Games | 25 |
| INFINITE BRIDGE | 25 |
| ima shouganai | 24 |
| IMCGAMES Co.,Ltd. | 24 |
| inXile Entertainment | 24 |
| Interactive Pixel Entmt. | 23 |