| Itellity | |
| ITmees Eesti OÜ | Harju |
| ITshop.ee | Harju |
| Jeko Disain OÜ | |
| Jobbatical OÜ | Harju |
| K-Space MTÜ | |
| K-Space MTÜ | |
| Kamitra OÜ | Harju |
| Kandideeri.ee job board | |
| Kaneti OÜ | |
| Karma Ventures | Harju |
| Katana Technologies OÜ | |
| KeyToTech | |
| Kinasera OÜ | |
| Klaus | |
| Klick Eesti AS | Harju |
| KMA OÜ | Harju |
| Kodulehe tegemine OÜ | |
| KoduLine | |
| Kolm Põrsakest | |
| Koronite OÜ | |
| KredEx | |
| Kulbert AS | Harju |
| Kuldnorm OÜ | Harju |
| Laboratorium EE | |
| LaLoka Labs OÜ | |
| Landing Page FYI | |
| Latitude59 | Harju |
| LawTime | |
| Leil Storage OÜ | |
| LenovoArvutid | Harju |
| Levira AS | Harju |
| Lexplast OÜ | Harju |
| Liewenthal Electronics | Harju |
| LiFi | |
| Lift99 | Harju |
| LightCode Photonics | |
| Lightyear Europe AS | |
| Limegrow | Harju |
| Loginet Solutions OÜ | |
| Logotrade | |
| M-One | |
| M-Partner | |
| Mail.ee | Harju |
| Majandus- ja Kommunikatsiooniministeerium | |
| Maksimum OÜ | |
| Markit | Harju |
| MarkIT Holding AS | |
| Markus Software | Harju |
| Maxi Internet | Tartu |