| Ettevõtte nimi | Reg. kood |
|---|---|
| TREF AS | 10080052 |
| TREF NORD AS | 10217746 |
| TREV-2 GRUPP AS | 10047362 |
| PLUS TRE AS kustutatud | 10369628 |
| TRE SORELLE EESTI AS kustutatud | 10011387 |
| TREV CAPITAL. OÜ (endine nimi AS TREV Capital) | 11029018 |
| TREFFEX AS | 10836870 |
| TRE KRONOR INVEST OÜ kustutatud (endine nimi AS Tre Kronor Invest) | 11349384 |
| REF TOLLILAO AS kustutatud | 10203023 |