| iKrok | |
| Image-UA | Kiev |
| iMart | |
| Imena.ua | Kiev |
| Imhoster.net | Kharkiv |
| Impact Hub Odessa | |
| Imperial ISP | Kiev |
| Impression | Kiev |
| Impressit | |
| Impulsar | |
| Impulse Design | |
| IN-FOMO | |
| IN.UA | Kiev |
| inAppo | |
| InBase | |
| Inc-Dev | |
| INC4 | |
| InClick | |
| IncoreSoft | |
| Increate | |
| InDevLab | |
| INet-studio | Kiev |
| Infoart | Kiev |
| Infomir, LLC | Kiev |
| Infopulse Ukraine | Kiev |
| Infosoft Global Ltd | |
| Infostroy Ltd | Kharkiv |
| Inmost | |
| Innovecs | Kiev |
| Inoxoft | Lviv |
| INP-Software | Zhytomyr |
| INSO.codes | |
| INStitute of Advanced Research and Technologies | Kiev |
| Institute of Law Technology and Innovation | |
| INT24 Ltd | Volyn |
| Intechsoft | |
| Intecrator | |
| Integrity Vision | |
| Intelekt | Chernivtsi |
| Intelligent Systems and Technologies | |
| IntelSoft Technologies, LLC | |
| InTempo | |
| Intent Solutions | |
| Inter Business Finance | |
| Intercom | Dnipropetrovsk |
| International Research and Training Center for Information Technologies and Systems | Kiev |
| Internet marketing Revolution | |
| InternetDevels | Volyn |
| Intobi | |
| Intraweb | Kiev |