| Company name | Reg. code |
|---|---|
| TBC OÜ kustutatud | 12430527 |
| TBC HUS OÜ kustutatud | 12578520 |
| TBC-CTT OÜ kustutatud (former name Eastern Invest OÜ) | 11784370 |
| TBC EUROPE OÜ | 14231341 |
| TBC EHITUS OÜ | 14977036 |
| TBC INTERNATIONAL OÜ (former name The Best Company OÜ) | 16811321 |
| TBCO ALTERNATIVES OÜ | 16256368 |
| TBCORP OÜ kustutatud | 14531014 |
| TCB OÜ kustutatud | 11654472 |
| QTBC OÜ | 16877797 |
| TBE OÜ | 12674028 |
| TCB OÜ | 16310257 |
| KBC OÜ kustutatud | 10889977 |
| 500TMC OÜ (former name TMC Rent OÜ) | 14733255 |
| ABC123 OÜ | 12460037 |
| TBK OÜ kustutatud | 12197692 |
| TIC+ OÜ | 12146513 |
| TBX OÜ | 17385837 |
| NBC OÜ kustutatud | 14643569 |
| 6THC OÜ | 14371734 |
| PBC OÜ | 17419269 |
| FBC OÜ (former name CryptoChain OÜ) | 14593009 |
| KBC OÜ (former name KB Chemical OÜ) | 10699610 |
| HBC OÜ | 10648357 |
| ABC1 OÜ | 11682853 |
| IBC OÜ | 16203828 |
| TKC OÜ | 11785659 |
| BTC OÜ | 10308727 |
| ABC OÜ | 12379967 |
| TBL OÜ (former name TBL Tartu OÜ) | 12220922 |
| TEC OÜ | 16875479 |
| MBC OÜ | 11072480 |
| TCC OÜ | 14974964 |
| TLC OÜ | 16743393 |
| ÄRI ABC OÜ kustutatud | 12787695 |
| HBC BUSINESS OÜ kustutatud | 14801382 |
| NBC MANAGEMENT OÜ kustutatud | 11646685 |
| NINE GBC OÜ | 12988488 |
| ABC LOGISTICS OÜ | 12363723 |
| ABC ANTENN OÜ | 10095415 |
| ABC MÄÄRDEAINED OÜ | 11764120 |
| BAL-TAC OÜ kustutatud | 16249983 |
| ABC DISTRIBUTION OÜ | 14284828 |
| ABC ENTERPRISES OÜ kustutatud | 11484538 |
| ABC MAALER OÜ | 14774900 |
| ABC MED OÜ | 16620561 |
| ABC ELEMENT OÜ | 11533366 |
| ORVOS TEC OÜ | 10168373 |
| AUTO ABC OÜ | 10717408 |
| TAC SERVICES OÜ kustutatud | 11500987 |