| Name | Types | |
|---|---|---|
| ISCO Inc | Developer | |
| ISK games | Developer | |
| ISNI | Developer | |
| ISplit | Developer | |
| IT Territory | Publisher | |
| ITBOMB studios | Developer | |
| ITDA | Developer | |
| ITE Media | DeveloperPublisher | |
| ITL | Developer | |
| ITL Co. | Developer | |
| ITL Co., Ltd. | Developer | |
| ITZ_WAX | Developer | |
| ITZmohammedX151 | Developer | |
| ITkweens | Developer | |
| IUDAV 1st year students | Developer | |
| IUG | Developer | |
| IV | Developer | |
| IVA1 | Developer | |
| IVIA | Developer | |
| IVP Productions | Developer | |
| IYG+REV+TAK | Developer | |
| I_am_Plen | Developer | |
| I_never_finish_anyth | Developer | |
| I_realized | Developer | |
| Ia | Developer | |
| IacomusRex | Developer | |
| Iain Christopher Hayward | Developer | |
| Iain Crockett | Developer | |
| Iain Harrison | Developer | |
| Iain the Indie | Developer | |
| Iam87 | Developer | |
| IamBugzyy | Developer | |
| IamNOTaCAT | Developer | |
| IamWhatonearth Studios | Developer | |
| Iaman | Developer | |
| Iamgineer | Developer | |
| Ian | Developer | |
| Ian Andrew | Developer | |
| Ian Beynon | Developer | |
| Ian Bird | Publisher | |
| Ian Burnette | Developer | |
| Ian Copeland | Developer | |
| Ian Dunlop | Developer | |
| Ian Eborn | Developer | |
| Ian Ellery | Developer | |
| Ian Hamilton | Developer | |
| Ian Heath | Developer | |
| Ian Lilley | Developer | |
| Ian MacLarty | Developer | |
| Ian Mandarini | Developer |