| Company name | Reg. code |
|---|---|
| COOLWIND OÜ | 12834354 |
| COOLMINT OÜ (former name Elame Veel OÜ) | 14949067 |
| COOLLINE OÜ | 17331528 |
| COOLING PROF OÜ (former name KS PUTKITUS OÜ) | 14979111 |
| COOLING INVEST OÜ | 12829519 |
| EK-MEISTRID OÜ (former name coolweld OÜ) | 14341555 |
| ÖÖLIND OÜ | 14651474 |
| SOLWIND SYSTEMS OÜ kustutatud | 12285189 |
| DIGI-ROOLIND OÜ | 16826529 |
| EVEH POOL OÜ (former name Battery Cooling Pool OÜ) | 17022253 |
| R.Z. WOODWIND TRADING OÜ (former name Importmill OÜ) | 14556103 |
| ARKITEC & DESIGN OÜ kustutatud (former name Soulwind Capital OÜ) | 11458372 |