| Company name | Reg. code |
|---|---|
| TERONAK UÜ | 16097533 |
| TERONAL GRUPP OÜ (former name Teronal Grupp UÜ) | 14388551 |
| TEROSAN OÜ (former name Terosan UÜ) | 14102655 |
| TERON AGRO OÜ (former name Teron Agro UÜ) | 16157086 |
| MPR EHITUSTÖÖD OÜ kustutatud (former name Tarolak UÜ) | 14518433 |
| EDITOR ESTONIA OÜ kustutatud (former name Derona Haldus UÜ) | 14044627 |
| VOTUVERA VUTUVURU OÜ (former name Meronar UÜ) | 14756693 |