| GiniMachine | |
| Glera Games | |
| Glinva | Vilnius |
| Go Vilnius | |
| Gofingo | |
| GoHisto | |
| Granta Autonomy | |
| Green Genius | |
| Green Thyme | |
| GSMS.lt | Vilnius |
| H-Finance | |
| Harju Elekter, UAB | |
| Herbertus | |
| Hermitage Solutions, LLC | Vilnius |
| HES FinTech | |
| HEXA | Kaunas |
| Hold.earth | |
| Holtida | |
| HorasMPM | |
| Hostex | Vilnius |
| Hostinger | Kaunas |
| HP Lithuania | Vilnius |
| IBS Lithuania | |
| Idamas UAB | Vilnius |
| Idamas, UAB | |
| IDEA | Vilnius |
| Idea Link | |
| Ideaformus | Vilnius |
| iDenfy | |
| IĮ "Biznio karuselė" | Panevėžys |
| IĮ "Inteka" | Šiauliai |
| IĮ "Javigre" | Vilnius |
| ILTE | |
| Impartner | Vilnius |
| Impresspages UAB | Vilnius |
| Inbox.lt | Vilnius |
| Indeform Ltd | |
| InDis | Vilnius |
| Info-Tec | Vilnius |
| Info.lt | Vilnius |
| Informacinio verslo paslaugų įmonė | Vilnius |
| Informacinių technologijų mokymo centras | Kaunas |
| Infosistema, JSC | Vilnius |
| Inion LT | |
| INIT | Kaunas |
| INNTEC | |
| Inovacijų agentūra | |
| Inovative Virtual Technologies | Vilnius |
| Inovis | |
| inQontext | |