| Company name | Reg. code |
|---|---|
| VKGD OÜ | 14728538 |
| VKG PLASTIC OÜ | 16718857 |
| VKG KAEVANDUSED OÜ | 10854884 |
| VKG TRADE OÜ | 12447456 |
| VKG INVEST OÜ (former name VKG Diisel OÜ) | 12290598 |
| VKG FIBER OÜ | 16885928 |
| VKG LOGISTIKA OÜ (former name Osaühing VKG Tsement) | 11436628 |
| VKG WIND OÜ | 16910247 |
| VKG FQ OÜ | 17256229 |
| VKG ENERGIATOOTMISE OÜ kustutatud | 16627920 |
| VKG SOLAR OÜ kustutatud | 16577440 |
| VKG ENERGIA OÜ kustutatud | 10516395 |
| VKG BESS OÜ | 17446390 |
| ROCLITE OÜ kustutatud (former name VKG Plokk OÜ) | 12171563 |
| KGD.TORVELI OÜ kustutatud (former name Transurf OÜ) | 14315457 |