| ImOK | |
| Impactweb | Dolj |
| IMSAR | |
| IMT-Bucharest | Bucharest |
| INAS S.A. | Dolj |
| Inatech S.R.L. | |
| INCAS | |
| Incuboxx | |
| Indaco Systems | Bucharest |
| Indeo Soft | |
| Indexar | |
| Industrial Software | |
| Industrial Software Technologies | Bucharest |
| INED | Buzău |
| iNES Group | Bucharest |
| Inflection Point | Cluj |
| Infobest Romania | |
| InfoCenter Craiova | Dolj |
| Infodesign | |
| Infomediapro | Bucharest |
| Infoplus Service | Vâlcea |
| Infortec | Neamț |
| Infostar Grup | Iași |
| Inkark Trading S.R.L. | Cluj |
| Innobyte | |
| Innoship | |
| Innovation Labs | Bucharest |
| Innovative Baseline | |
| Innovative Software | Brașov |
| Innovative Web Services | Bucharest |
| InnovativeWeb Design S.R.L. | |
| InnovX Business Accelerator S.R.L. | |
| Inobi Solutions S.R.L. | |
| Inobox Evolution | |
| Inovalt | Prahova |
| Inovo | Bucharest |
| Insert Digital S.R.L. | |
| inSHAPE | |
| Inside Media Communication | Bucharest |
| INSOFTDEV Technology | |
| Instant Factoring | |
| INSTATIC | |
| Institute for Digital Government | Bucharest |
| Institutul Bancar Român | |
| Institutul BrainMap Neuroscience | |
| Institutul de Administratie a Afacerilor din Bucuresti | |
| Institutul de Economie Mondială | |
| Institutul de Excelenta in Antreprenoriat | |
| Institutul de Informatică Teoretică Iaşi | |
| Institutul de Prognoză Economică al Academiei Române | |