| Company name | Reg. code |
|---|---|
| TAREX UÜ | 11954760 |
| TARMEX ADVISOR UÜ | 16451457 |
| TARMEX ENGINEERING UÜ | 16451621 |
| TARMEX BUILDER UÜ | 16451489 |
| MARE TARE UÜ kustutatud | 16064232 |
| TARMEX PARTNERS OÜ (former name Tarmex Partners UÜ) | 16451667 |
| TAROX EHITUS OÜ (former name Tarox Ehitus UÜ) | 16235283 |
| AGRO TARE OÜ (former name Agro Tare UÜ) | 14103407 |
| RONETTA OÜ (former name Karex Teenus UÜ) | 14434943 |
| KAREX KAUP OÜ (former name Karex Kaup UÜ) | 14785039 |
| THUNDERLIGHT OÜ kustutatud (former name Arex Consult UÜ) | 14671169 |
| NOVERT OÜ (former name Arex Hooldus UÜ) | 16076809 |
| AREX LOGISTICS OÜ (former name Arex Logistic UÜ) | 14094826 |
| TARKOM OÜ (former name Arex Metsatööd UÜ) | 14931966 |