| Ettevõtte nimi | Reg. kood |
|---|---|
| HLL HOLDING OÜ | 11933901 |
| HILL HILL HOLDING OÜ | 14239167 |
| ILL3 HOLDING OÜ (endine nimi Wilest OÜ) | 14465566 |
| HRL HOLDING OÜ | 17435558 |
| HFL HOLDINGS OÜ | 17382649 |
| TALLINN HILL HOLDING OÜ | 11245621 |
| HML PROJECT MANAGEMENT OÜ (endine nimi HML Holding OÜ) | 12097424 |
| MQQA04 HOLDING OÜ (endine nimi HLG70 Holding OÜ) | 16057611 |