| Company name | Reg. code |
|---|---|
| HEKRETH OÜ kustutatud | 12737214 |
| Promete Heket OÜ kustutatud | 10475559 |
| HERETO OÜ | 16961629 |
| ELRETH. OÜ (former name OÜ Teen Tööd) | 16414985 |
| HELBETH MEDICAL OÜ | 14154155 |
| HEARTH MOVEMENT OÜ | 17403587 |
| HERET CONSULT OÜ (former name Anolmehela OÜ) | 16880285 |