| Company name | Reg. code |
|---|---|
| TATA OÜ | 14537301 |
| TATA VEOD OÜ | 11097764 |
| TATA GRUPP OÜ | 10969966 |
| TATA TRANS OÜ | 12126344 |
| TATAR OÜ kustutatud | 12741374 |
| TATAR&CHILLI OÜ | 12299435 |
| SÄDE TATAR MUSIC OÜ | 14323267 |
| TÄTE OÜ kustutatud (former name Tärivere Tera OÜ) | 16714894 |
| TATO OÜ | 12283919 |
| TATŠ OÜ kustutatud | 14439395 |
| TATRA AGRO OÜ (former name Valvekoondis OÜ) | 12527988 |
| TATRA SERVIS OÜ kustutatud | 11646722 |
| TATRA FORELL OÜ | 12104029 |
| TATO INVESTMENTS OÜ | 17257677 |
| TATE COMMERCE OÜ kustutatud | 11666676 |
| TATI PRODUCTION OÜ (former name TA Büroo OÜ) | 14145765 |
| TATI CONSULT OÜ (former name TATI Ehitus OÜ) | 14708850 |
| TATRA METS OÜ kustutatud | 11042088 |
| TATO CAPITAL OÜ | 17206734 |
| TATI NAIL OÜ | 16666190 |
| TATI BEAUTY OÜ | 17076289 |
| TATRA TELECOM OÜ | 14850558 |
| TATVA SOFTWARE DEVELOPERS OÜ kustutatud | 17050321 |
| TAT TRANS OÜ | 14843668 |
| KASATKA OÜ (former name Tatka OÜ) | 12808977 |
| TAT REAL ESTATE OÜ kustutatud | 14137719 |
| TAT ME PLS OÜ | 14535971 |
| TATALL OÜ kustutatud | 14505436 |
| TATARGO OÜ | 12966096 |
| TATARI 3 OÜ | 14064713 |
| TATABOUT OÜ kustutatud | 14613887 |
| TATARI16 OÜ | 14847869 |
| TATANDROS OÜ | 16509384 |
| TATARI KODU OÜ | 12558428 |
| TATARI MAJA OÜ | 16096278 |
| TECH TATAMI OÜ | 14566490 |
| TATARI SALONG OÜ kustutatud | 12628927 |
| TATARI KELDER OÜ | 11324935 |
| TIMSAN TATARY OÜ | 17267115 |
| TATAREK NORDIC OÜ kustutatud | 12914509 |
| TATARI KORTERID OÜ | 17300404 |
| TATARI KINNISVARA OÜ | 12010937 |
| TATARI 6A ARENDUSE OÜ | 16165565 |
| TATARI VARAHALDUSE OÜ kustutatud | 11208991 |
| TATARI DEVELOPMENT OÜ | 14538890 |
| TASA TASA OÜ | 17333088 |
| TATAMBO BUCARAMANGA OÜ (former name TLC Group OÜ) | 14437155 |
| TATARI LOOMAKLIINIK OÜ | 11485621 |
| REIJOSTUDIO OÜ (former name OÜ Tatari Antiik) | 10862375 |
| CITY YARD INN OÜ (former name New Tatari 53 Hotel OÜ) | 14191297 |