| AS | nimi | |
| 3327 | Linxtelecom Estonia OÜ | |
| 2586 | Elisa Eesti AS | |
| 3221 | Estonian Educational and Research Network (EENet) | |
| 8728 | Infonet AS | |
| 39211 | GoNetwork OÜ | |
| 39301 | Televõrgu AS | |
| 39823 | Compic Ltd. | |
| 34702 | Wavecom AS | |
| 12563 | Tele2 Eesti AS | |
| 198632 | Termnet | |
| 26415 | Verisign Inc. | |
| 42300 | Top Connect OÜ (CSC Telecom) | |
| 8240 | The Estonian Information Systems Authority(RIA) | |
| 13272 | Starman AS | |
| 49604 | Zone Media OÜ | |
| 1257 | Tele2 AB (Swipnet) | |
| 50794 | Levira AS | |
| 197289 | Helmes AS |
