| Company name | Reg. code |
|---|---|
| NETKEY OÜ (former name Netkey UÜ) | 12887617 |
| NETKEN OÜ | 14909346 |
| NETLEG OÜ kustutatud | 12775723 |
| NETKOR OÜ | 14639869 |
| NETFLY OÜ | 11071948 |
| NETSER OÜ | 14232808 |
| NETSEL OÜ | 16333942 |
| NETHER OÜ | 16720854 |
| NETMET OÜ | 14445639 |
| NETHEK OÜ | 16085926 |
| NETIKET OÜ | 12244859 |
| NETBET OÜ kustutatud | 11645728 |
| NETWEB OÜ kustutatud | 11696982 |
| NETREP OÜ kustutatud | 11786133 |
| NETLEX OÜ kustutatud (former name OÜ Ramo Foto) | 14259486 |
| NETMEN OÜ | 11474557 |
| NETTEN OÜ | 16106404 |
| NETBE OÜ | 12485669 |
| NETMEN CONSULT OÜ | 11586859 |
| NETTEL GRUPP OÜ | 10886281 |
| E-NETTER OÜ | 12087472 |
| NETMEN SERVICE OÜ | 11513926 |
| NETTEN TRADING OÜ | 12607919 |
| NETELY ILUTEENUSED OÜ | 16018203 |
| NETRE FINANCE OÜ | 11163863 |
| NETTE RIIDED OÜ kustutatud | 14062803 |
| NETKEYSERVICES OÜ | 16325885 |
| NEWKEY OÜ | 17039169 |
| MIBURANI RUNGEMBE OÜ kustutatud (former name Netway OÜ) | 11907192 |
| HETKES OÜ | 16224405 |
| RETKER OÜ | 14157969 |
| HOTKEY OÜ | 16868284 |
| KATKEY OÜ | 14048826 |
| GEMKEY OÜ kustutatud | 12693184 |
| NEONKEY OÜ | 12915615 |
| WESTKEY OÜ (former name Westkey UÜ) | 14380727 |
| JETKER OÜ | 16130845 |
| NEKKEN OÜ | 17085590 |
| HETKEL OÜ | 14950515 |
| REDKEY OÜ | 17211037 |
| HETKED OÜ | 14910378 |
| NOTKE OÜ | 14987547 |
| 7HETKE OÜ (former name MYST OÜ) | 12754106 |
| NETE OÜ kustutatud | 14299847 |
| PETKEV SOLUTIONS OÜ | 17456843 |
| ESIMESED HETKED OÜ | 14472642 |
| AMAZONAS RETKED OÜ | 17189964 |
| HETKES KOHAL OÜ | 17274374 |
| MAAGILISED HETKED OÜ | 16298094 |
| KAUNID HETKED OÜ | 16271289 |