| ITmees Eesti OÜ | Harju County |
| ITshop.ee | Harju County |
| Kamitra OÜ | Harju County |
| Klick Eesti AS | Harju County |
| KMA OÜ | Harju County |
| Krabi ja Mask | Tartu County |
| Kulbert AS | Harju County |
| Kuldnorm OÜ | Harju County |
| Laptop24 | Harju County |
| LenovoArvutid | Harju County |
| Levira AS | Harju County |
| Lexplast OÜ | Harju County |
| Liewenthal Electronics | Harju County |
| Linxtelecom Estonia OÜ | Harju County |
| Mail.ee | Harju County |
| Mari Arvutid | Harju County |
| MarkIT Eesti AS | Harju County |
| MarkIT Holding AS | Harju County |
| Markus Software Ltd | Harju County |
| Max 123 AS | Harju County |
| Maxi Internet | Tartu County |
| Medisoft AS | Harju County |
| Merit Tarkvara AS | Harju County |
| MicroLink Eesti AS | Harju County |
| Microsoft Eesti | Harju County |
| Midesko OÜ | Harju County |
| Mika Tuupola | |
| Mindworks Industries | Harju County |
| Miteq Estonia | Harju County |
| ML Novator OÜ | Harju County |
| Mobi Solutions OÜ | |
| Mobicom AS | Harju County |
| Moon Software | Järva County |
| Mooncascade OÜ | Harju County |
| MS Solution OÜ | Harju County |
| Mulgi Kaabel | Viljandi County |
| Nagi OÜ | Harju County |
| Narva Internet OÜ | Ida-Viru County |
| NATO Cooperative Cyber Defence Centre of Excellence | Harju County |
| Netpoint Systems OÜ | Harju County |
| Neuron Systems OÜ | Harju County |
| New Media Guru OÜ | Tartu County |
| Nixor EE AS | Harju County |
| Noom | Harju County |
| Norby Telecom | Harju County |
| Northside Solutions | Harju County |
| Nutiteq, LLC | Tartu County |
| Obsidian OÜ | Harju County |
| Online Koolitus Grupp OÜ | Harju County |
| Open Data Estonia | Harju County |