| Company name | Reg. code |
|---|---|
| O.G.STUDIO OÜ | 16025120 |
| GK STUDIO OÜ | 16227763 |
| GL STUDIO OÜ | 16743737 |
| GA STUDIO OÜ | 16938903 |
| GRIN STUDIO OÜ | 12261817 |
| GRG STUDIOS OÜ | 14428374 |
| GUILD STUDIO OÜ (former name GUILD HATTERY OÜ) | 12808813 |
| GREEN STUDIO OÜ kustutatud | 12487817 |
| STUDIO GERON OÜ kustutatud | 16305322 |
| GEETE STUDIO OÜ | 12746874 |
| GW CAR STUDIO OÜ kustutatud | 16736358 |
| GRUMPY GOAT STUDIO OÜ kustutatud | 14251616 |
| PÄRNU STARTUP CENTER OÜ (former name GYG Design Studio VI OÜ) | 14511856 |
| GIMMEL STUDIO OÜ | 16779161 |
| GARNET STUDIO OÜ | 12935530 |
| 3S GAME STUDIO OÜ | 16279375 |
| GEMINI STUDIO OÜ | 14557002 |
| GAFAR STUDIOS OÜ (former name Gafar Trading OÜ) | 14583241 |
| GETTER STUDIO OÜ | 16284135 |
| M STUDIO GRUPP OÜ kustutatud | 11854573 |
| GO SHIRT STUDIO OÜ kustutatud | 11674291 |
| VR STUDIO GAMES OÜ | 16231693 |
| GAISINA STUDIO OÜ | 17238013 |
| GUREEV STUDIOS OÜ | 17423590 |
| PP GAME STUDIOS OÜ kustutatud | 14357941 |
| GISETTI STUDIO OÜ | 11155970 |
| GLOWPRO STUDIO OÜ kustutatud | 12761537 |
| LK GREEN STUDIO OÜ | 17187899 |
| GVOZDEV STUDIO OÜ kustutatud | 12739495 |
| GRIDPIX STUDIO OÜ | 14997474 |
| GRANTEX STUDIO OÜ | 14051082 |
| STUDIO GALLERY OÜ | 16831393 |
| GLOBAL STUDIOS OÜ | 16259319 |
| THE GAME STUDIO OÜ | 14171449 |
| GOOD BITS STUDIO OÜ (former name Chekhov's Guns OÜ) | 16417216 |
| CAR STUDIO GROUP OÜ kustutatud | 12473367 |
| GOLDLINE STUDIO OÜ | 16744553 |
| NEX GAME STUDIOS OÜ | 17004692 |
| GOOD MOOD STUDIO OÜ | 12781304 |
| GALERIST STUDIO OÜ | 17325278 |
| GRIMDUCK STUDIO OÜ | 17039093 |
| ÕNNEPESA OÜ (former name Annie Gross Couture OÜ) | 12787078 |
| UNICO EESTI OÜ (former name Unico Studio OÜ) | 11576464 |
| GEORGETTE STUDIO OÜ kustutatud | 11502153 |
| BLOCK GAME STUDIO OÜ kustutatud | 16232600 |
| KOOL GAMES STUDIO OÜ | 16451302 |
| KOROG GAME STUDIO OÜ | 17243637 |
| GOBEAUTY STUDIOS OÜ kustutatud | 14820540 |
| PAFF STUDIO GROUP OÜ kustutatud | 11307486 |
| QUICKFIRE OÜ kustutatud (former name Game Studio ONE OÜ) | 12995100 |