| Company name | Reg. code |
|---|---|
| NITROLAN OÜ | 16755806 |
| NITROGEN OÜ | 12364983 |
| BLUF VPN OÜ kustutatud (former name NitroVpn OÜ) | 14935964 |
| METROLAN HOLDING OÜ kustutatud | 12146252 |
| MIROLAN EST OÜ kustutatud | 11424499 |
| RITOLAN SERVIS OÜ | 10893111 |
| DATAOX INC. OÜ (former name IntroLab Systems OÜ) | 14601654 |