| Company name | Reg. code |
|---|---|
| GNOB OÜ | 12010736 |
| GNOW OÜ kustutatud | 16257511 |
| GNO GRUPP OÜ | 14421633 |
| GOOB OÜ | 14540579 |
| GLOB OÜ | 16668728 |
| AVI GLOB OÜ | 17402435 |
| SNOB BALTICS OÜ | 11501484 |
| SNOB INVEST OÜ | 11470967 |
| NOB HOLDINGS OÜ (former name Adamsoni 20 OÜ) | 14175177 |
| RUFTER EHITUS OÜ (former name GNZB Ehitus OÜ) | 11348829 |