| iconicchain Oy | |
| Identoi Oy | North Ostrobothnia |
| Idesco Oy | North Ostrobothnia |
| iFarm | |
| IGDA Finland | Uusimaa |
| Iisalmen Puhelin Oy | Northern Savonia |
| IK-Telecom | Uusimaa |
| Ikius Oy | |
| Ikune Labs | |
| ILKKA | |
| Ilmatar | |
| Ilona Works Finland Oy | |
| Immersal | |
| Impacto Chile Hackathon | |
| Inca Systems Oy | North Ostrobothnia |
| Inclus | |
| Indagon Oy | Uusimaa |
| Index Information Technologies Oy | Uusimaa |
| Industria Oy | |
| Infine | |
| InfoBuild Oy | Uusimaa |
| InfoSign Oy | Uusimaa |
| Infrakit Group Oy | |
| Inion Oy | |
| INNItech Oy | |
| Innofactor plc | |
| Inoi Oy | Southwest Finland |
| Insoft.fi Oy | North Ostrobothnia |
| IntroTech | Uusimaa |
| Inven | |
| Inventive Ventures | Uusimaa |
| Inventure | Uusimaa |
| Invesdor | |
| iPCMAX.com | Satakunta |
| IPRally Technologies Oy | |
| IPRally Technologies Oy | |
| IQM Finland Oy | |
| IT-oikeuden yhdistys r.y. | Uusimaa |
| Itä-Suomen yliopisto | North Karelia |
| IXI | |
| Janne Parri | |
| Japo | South Ostrobothnia |
| Jaunaragiai | |
| Jetico | Uusimaa |
| Jimm's PC-store Oy | Southwest Finland |
| JJ-Net Group Oy | |
| JK-Tietokoneet | Uusimaa |
| Jolla Ltd | |
| JOT Automation Ltd | North Ostrobothnia |
| JuhaMatic Oy | North Ostrobothnia |