| Company name | Reg. code |
|---|---|
| HECLA OÜ | 10062261 |
| HECTA OÜ | 12160482 |
| HECA DESIGNS OÜ | 16321383 |
| HELLA OÜ | 16971668 |
| HELA OÜ | 12867224 |
| HEILA KONSULTATSIOONID OÜ | 11034060 |
| HELLA HAIR OÜ | 14993878 |
| HELLA KODU OÜ | 14035731 |
| HELA DISAIN OÜ | 14216778 |
| HELA INVEST OÜ | 14247750 |
| HELA BALTIC OÜ kustutatud | 12489070 |
| HELA KARDINAD OÜ | 11046465 |
| HELA-PARTNERS OÜ | 10983570 |
| HELLA JA AHTO OÜ (former name Hella ja Ahto TÜ) | 14466765 |
| TECLA CONSULTING GROUP OÜ | 11181789 |