| Company name | Reg. code |
|---|---|
| G&O OÜ | 12046639 |
| G.R.O OÜ | 16778173 |
| A. G. O. OÜ (former name A.G.O.) | 10010620 |
| G.O. TAMM OÜ kustutatud | 11965551 |
| G.O.FROSTY OÜ | 12034274 |
| G.O AESTHETICS OÜ | 17048270 |
| O&G TRADE OÜ | 14208891 |
| S.O.G. OÜ | 12158568 |
| O.G.STUDIO OÜ | 16025120 |
| O.W.G OÜ | 17212663 |
| G.E.O GRUPP OÜ | 10864463 |
| G & O PROPERTIES EST OÜ | 11143731 |
| G.O. KINNISVARA HALDUS OÜ | 12174001 |
| O.M.G.D OÜ kustutatud | 14430827 |
| A.O.G. AEROGROUP OÜ | 16996817 |
| K.O.G.KAPITAL OÜ | 11555221 |
| T.U.G.O. OÜ | 16915486 |
| E.G.O KINNISVARATEENUSED OÜ kustutatud | 16664222 |
| G.T.O.INTERNATIONAL GROUP OÜ | 16870074 |
| T.U.G.O. GROUP OÜ | 10939244 |
| W.O.G.E ENERGY OÜ | 16020223 |
| K.G.O.R.M. OÜ kustutatud | 14389898 |
| V.E.R.G.O. FASHION OÜ | 12960063 |
| GENERATIVETECH OÜ (former name Generative Inventions OÜ) | 14774879 |
| GT GARS OÜ kustutatud | 14776543 |
| GUZ GET OÜ | 12863350 |
| GW GRAIN OÜ kustutatud | 12590610 |
| GSX GRID OÜ kustutatud | 14920951 |
| GREEN GO OÜ (former name Prügi keskus OÜ) | 16381493 |
| GW GRUPP OÜ (former name Grüner Wald Gruppe) | 12727322 |
| GL GRACE OÜ (former name Green Line Shipping OÜ) | 14387528 |
| GB GRUPP OÜ | 11685900 |
| GZ GROUP OÜ | 17230170 |
| GASTRO G OÜ | 14082390 |
| GO GREEN OÜ (former name Markly OÜ) | 10700514 |
| GM GRUPP OÜ | 11981709 |
| GD GRUPP OÜ | 17003853 |
| GIO GOLD OÜ | 14393026 |
| GT GROUP OÜ | 16095528 |
| GI GROUP OÜ kustutatud | 12060556 |
| G & G PUIT OÜ | 11395941 |
| GL GRUPP OÜ | 11989304 |
| GK OÜ | 16411395 |
| GO OÜ | 16055598 |
| GS OÜ | 14181324 |
| GV OÜ | 16080645 |
| G2 OÜ | 12491687 |
| G8 OÜ | 12738923 |
| G9 OÜ | 16625251 |
| GL OÜ | 16661264 |