| Company name | Reg. code |
|---|---|
| 6THC OÜ | 14371734 |
| THCIRCLE OÜ | 14611606 |
| THCONSULTING OÜ | 12704605 |
| ANTIGENTEST OÜ (former name THCM Holding OÜ) | 14665996 |
| THE OÜ | 12262159 |
| TSC OÜ | 12146594 |
| RHC OÜ (former name Rosimannus Holding Company OÜ) | 12879598 |
| THE8 OÜ | 16240717 |
| 500TMC OÜ (former name TMC Rent OÜ) | 14733255 |
| THZ OÜ | 11302193 |
| TIC+ OÜ | 12146513 |
| THV OÜ | 12036032 |
| SHC OÜ (former name SHC UÜ) | 16190020 |
| DHC OÜ | 11212946 |
| THB OÜ | 14943417 |
| THE4 OÜ | 17353858 |
| TBC OÜ kustutatud | 12430527 |
| TLC OÜ | 16743393 |
| TEC OÜ | 16875479 |
| THM OÜ kustutatud | 14132082 |
| TCC OÜ | 14974964 |
| TKC OÜ | 11785659 |
| THU321 OÜ kustutatud (former name Tööhunt OÜ) | 14002965 |
| THT OÜ | 12833277 |
| TNC OÜ | 12682571 |
| THF OÜ kustutatud | 16093481 |
| THS OÜ | 12827360 |
| THE WAY OF THE HEART OÜ | 16919343 |
| THE NARRATIST OÜ | 16840191 |
| THE CROSSWAYS OÜ | 16620041 |
| TAC SERVICES OÜ kustutatud | 11500987 |
| TBC INTERNATIONAL OÜ (former name The Best Company OÜ) | 16811321 |
| TAC AGRO OÜ | 11028183 |
| THE 1548 GROUP OÜ kustutatud | 14295140 |
| BHC SPV OÜ kustutatud | 16475640 |
| THE MARITIMEMEDIA OÜ kustutatud | 14749227 |
| THE SIGNED OÜ | 16612981 |
| THE DISRUPTORS OÜ | 14558059 |
| THE ARTEFACT OÜ | 17241541 |
| THE BODLA OÜ | 16715936 |
| THE SUN OÜ | 12572993 |
| THE WEATHER OÜ | 16396017 |
| DIN-TEC OÜ | 16504518 |
| THE CONECTO OÜ kustutatud | 16087701 |
| THE ZEIDANS OÜ kustutatud | 16479594 |
| SHC INVEST OÜ | 16280591 |
| THE BLOCKCHAINSMOKER OÜ | 16546770 |
| IHC TELEMED OÜ | 17410156 |
| TCH INVESTEERINGUD OÜ kustutatud | 14702409 |
| THE HOLDING OÜ | 16138249 |