| Company name | Reg. code |
|---|---|
| GCT OÜ (former name Buffet Ekspress OÜ) | 11907252 |
| ECT OÜ kustutatud | 12311490 |
| 2ACT OÜ kustutatud | 14995423 |
| GFT OÜ | 16378580 |
| SCT OÜ | 17250095 |
| GLT OÜ | 12319929 |
| OCT OÜ kustutatud | 12205351 |
| GPT OÜ | 16363868 |
| GCR OÜ | 17247802 |
| GZT OÜ | 14556965 |
| GKT OÜ | 14751201 |
| HCT OÜ | 12036210 |
| FCT OÜ kustutatud | 12208935 |
| DCT OÜ | 16590937 |
| TOLONG ICT OÜ | 17104152 |
| MCT SHOSHA OÜ | 17380159 |
| JCT CONSULT OÜ kustutatud | 11449743 |
| REGAR ACT OÜ kustutatud | 12641307 |
| GCG EUROPE OÜ | 14957919 |
| GPT GROUP OÜ | 16800168 |
| ALUMBRA GTC OÜ kustutatud | 12142082 |
| GTC CONSTRUCTIONS OÜ | 12392790 |
| GROOVESTAR GTC OÜ kustutatud | 11953163 |
| GTC CENTRAL OÜ kustutatud | 11740533 |
| GRT VENTURES OÜ | 17307211 |
| CGT CAPITAL OÜ | 17025352 |
| GET HUMANO OÜ | 16196732 |
| FCT ESTONIA OÜ | 11665062 |
| GRT SOLUTIONS OÜ | 16013174 |
| GMT HOLDING OÜ | 14691284 |
| GTT INVEST OÜ kustutatud | 12194831 |
| GOT DESIGN OÜ | 14686295 |
| GST INVESTMENTS OÜ | 14802594 |
| GGT PRO OÜ | 16786439 |
| TCT AGENCY OÜ kustutatud | 10346389 |
| BCT RENTAL OÜ (former name BCT Company OÜ) | 14308078 |
| GET READY OÜ kustutatud | 12358310 |
| SIGN2ACT OÜ (former name Idance OÜ) | 11446644 |
| ACT CONSULTING OÜ | 14917759 |
| GET DRESSED OÜ | 12616835 |
| GOT TECHNOLOGIES OÜ kustutatud | 16547806 |
| GCE LIMITED OÜ | 14712069 |
| ICT-DESIGN OÜ | 11726556 |
| GET MEDIAGROUP OÜ kustutatud | 14801962 |
| GFT PROJECT OÜ | 10224746 |
| MCT ENGINEERING OÜ kustutatud | 10871380 |
| GCO PROJECT OÜ kustutatud | 10702677 |
| GOT IT OÜ | 17005556 |
| GET MYST OÜ | 16893046 |
| BORN2ACT OÜ | 17260283 |