| Ettevõtte nimi | Reg. kood |
|---|---|
| 6THC OÜ | 14371734 |
| THCIRCLE OÜ | 14611606 |
| THCONSULTING OÜ | 12704605 |
| ANTIGENTEST OÜ (endine nimi THCM Holding OÜ) | 14665996 |
| 500TMC OÜ (endine nimi TMC Rent OÜ) | 14733255 |
| THE8 OÜ | 16240717 |
| THV OÜ | 12036032 |
| TIC+ OÜ | 12146513 |
| SHC OÜ (endine nimi SHC UÜ) | 16190020 |
| THF OÜ kustutatud | 16093481 |
| TBC OÜ kustutatud | 12430527 |
| THU321 OÜ kustutatud (endine nimi Tööhunt OÜ) | 14002965 |
| THM OÜ kustutatud | 14132082 |
| TSC OÜ | 12146594 |
| RHC OÜ (endine nimi Rosimannus Holding Company OÜ) | 12879598 |
| THE OÜ | 12262159 |
| THZ OÜ (endine nimi Osaühing THZ) | 11302193 |
| THB OÜ | 14943417 |
| DHC OÜ (endine nimi TVS Personel OÜ) | 11212946 |
| THE4 OÜ | 17353858 |
| TCC OÜ | 14974964 |
| TKC OÜ | 11785659 |
| TEC OÜ | 16875479 |
| TLC OÜ | 16743393 |
| THS OÜ | 12827360 |
| THT OÜ | 12833277 |
| TNC OÜ (endine nimi Ristimäe Talu OÜ) | 12682571 |
| THE WAY OF THE HEART OÜ | 16919343 |
| THG GROUP OÜ | 11195024 |
| THE ONE OÜ | 14584766 |
| THE BASE OÜ | 12189072 |
| THD INSTRUMENTS OÜ | 17055637 |
| THE CORNERS OÜ | 16322487 |
| THE FITPROJECT OÜ | 14877563 |
| THE SIGNED OÜ | 16612981 |
| THO GRUPP OÜ | 16668734 |
| THE GIFT OÜ (endine nimi OÜ Bruk) | 11731936 |
| THK CONSULTING OÜ | 14729687 |
| THE DISRUPTORS OÜ | 14558059 |
| THE BODLA OÜ | 16715936 |
| THE SUN OÜ | 12572993 |
| THM AGRO OÜ | 12786477 |
| THE HOODS OÜ | 14788606 |
| THE SYSTEMS OÜ | 11920092 |
| THM HALJASTUS OÜ | 16997573 |
| TBC EUROPE OÜ | 14231341 |
| THE INTERNET OÜ | 16130124 |
| THE NYMPH OÜ | 16648186 |
| THE PEARL OÜ | 17464471 |
| THT RAAMATUPIDAMINE OÜ | 16303056 |