| Company name | Reg. code |
|---|---|
| GRG OÜ kustutatud | 16076494 |
| MAJUR GRG OÜ | 17371522 |
| GRG GROUP OÜ | 12346821 |
| CONSULT GRG OÜ | 16492011 |
| GRG STUDIOS OÜ | 14428374 |
| GRGM PROJEKT OÜ kustutatud | 11034953 |
| GMG OÜ | 10358889 |
| GTG OÜ kustutatud | 12041323 |
| DRG OÜ kustutatud | 12863901 |
| GRU OÜ | 14894001 |
| GRY OÜ | 16808046 |
| GRW OÜ | 16970675 |
| GRS OÜ | 12143555 |
| ARG OÜ | 17027121 |
| GURG OÜ | 11717310 |
| BRG OÜ | 16115679 |
| 13ERG OÜ | 16969022 |
| GRA OÜ | 10091890 |
| GUG OÜ | 16792612 |
| GBG OÜ kustutatud | 12035498 |
| GRIG OÜ | 17456388 |
| GRB OÜ | 16930422 |
| GRS 24 OÜ kustutatud | 14584051 |
| BRG HORIZON OÜ | 16785664 |
| GRC INVEST OÜ | 16473083 |
| GCG EUROPE OÜ | 14957919 |
| GIG HOLDINGS OÜ | 12274151 |
| GIG-HUNTERS OÜ kustutatud | 14949914 |
| GRI HALDUS OÜ | 14667570 |
| GMG ESTONIA OÜ kustutatud | 12321591 |
| GBG INVESTEERINGUD OÜ | 12342651 |
| GRT VENTURES OÜ | 17307211 |
| GREG INVEST OÜ | 14412344 |
| GRT SOLUTIONS OÜ | 16013174 |
| GRD HOLDINGS OÜ | 16789136 |
| GLG LAENUD OÜ | 11457122 |
| GBG OIL OÜ kustutatud | 12337414 |
| GGR GRUPP OÜ | 14908200 |
| GGR50 HOLDING OÜ (former name MAI Group OÜ) | 17006066 |
| GSG AUTOD OÜ kustutatud | 16172720 |
| CKOTS GRU OÜ (former name TIAN STOCK OÜ) | 10864888 |
| GBG HOLDING OÜ kustutatud | 11985683 |
| GSG PARTNERS OÜ | 12503893 |
| GRE KONSULTATSIOON OÜ | 10196837 |
| GTG PARTNERS OÜ | 12870479 |
| GSG TOBACCO OÜ | 16174297 |
| GMG AGRO OÜ | 14294324 |
| GSG SECURITY OÜ | 16477997 |
| GRI NORDIC OÜ (former name NORTIRE OÜ) | 10622257 |
| SVD GRU OÜ | 12331593 |