| Company name | Reg. code |
|---|---|
| TTG OÜ | 10129516 |
| TTG INVEST OÜ | 12035280 |
| TTG COMPANY OÜ kustutatud | 12124546 |
| TTG.SCANBALT OÜ | 11460288 |
| TTG HYDROTECH ENERGY OÜ | 10854111 |
| TT BALTIC KESKUS OÜ (former name TTG Steel Products OÜ) | 12298097 |
| TTGROUP OÜ kustutatud | 12151164 |
| TMG OÜ | 10951558 |
| TSG OÜ kustutatud | 11341224 |
| ETG OÜ (former name OÜ Elit Trans Grupp) | 12085763 |
| STG OÜ kustutatud | 10812845 |
| TTI OÜ | 11481971 |
| GTG OÜ kustutatud | 12041323 |
| TCG OÜ | 12283894 |
| TAG OÜ (former name Deimex Sportswear OÜ) | 14197227 |
| TTM OÜ | 14480110 |
| TPG OÜ kustutatud | 12038605 |
| TGT OÜ | 11727411 |
| TFG OÜ | 14804854 |
| HTG OÜ (former name Flouter OÜ) | 14191802 |
| TLG OÜ kustutatud | 14342980 |
| TTJ OÜ | 16098403 |
| TTN OÜ | 16409671 |
| TSG OÜ | 16117611 |
| STG-44 OÜ | 12412251 |
| TTI OPERATIONS OÜ | 12112767 |
| TMG HOLDING OÜ | 17093721 |
| BTG BALTIC OÜ | 10570566 |
| TBG CONSULTING OÜ | 17359082 |
| TCG TRADE OÜ | 16844831 |
| TOG EESTI OÜ | 16074934 |
| TAG HOLDING OÜ | 14057529 |
| TEG VALDUSE OÜ (former name LEVIN Productions OÜ) | 16373192 |
| MTG PERSONAAL OÜ | 14658476 |
| TSG ASTRALAB OÜ | 11117840 |
| TIG KEEVITUS OÜ | 16009256 |
| TTK ASSETS OÜ | 16574453 |
| MTG AUTORENT OÜ | 12719127 |
| NTG BUSINESS OÜ kustutatud | 12083540 |
| TFG TECHNOLOGY OÜ | 16570432 |
| THG GROUP OÜ | 11195024 |
| DTG BALTICS OÜ kustutatud | 14977773 |
| CTG&CAR OÜ | 17091001 |
| KARAT TDG OÜ | 17273080 |
| TLG INTERIOR OÜ | 14684261 |
| TTE MEISTER OÜ kustutatud | 12851364 |
| ATG BUSSILIINID OÜ | 16038306 |
| ATG BUSSIPARK OÜ | 16043603 |
| PATROON TTM OÜ | 11244975 |
| DTG BETOON OÜ kustutatud | 12344561 |