| Company name | Reg. code |
|---|---|
| IRU HOLDING OÜ | 12679557 |
| IRUMARI HOLDING OÜ | 14263022 |
| KIRU HOLDING OÜ (former name Trendnordic OÜ) | 17389108 |
| ARU HOLDING OÜ | 16850290 |
| IR HOLDING OÜ kustutatud | 12983597 |
| IRB ALLIANCE HOLDING OÜ | 16879046 |
| OLU ILU HOLDING OÜ | 17471181 |
| VIRU-NIGULA TUULEPARK HOLDING OÜ | 16563646 |
| ALFA IR HOLDING OÜ kustutatud | 11096256 |