| Company name | Reg. code |
|---|---|
| WILHELM OÜ kustutatud | 10636093 |
| OTTO WILHELM OÜ | 12816787 |
| WILGELM OÜ | 17042132 |
| WILXELM AUTOS OÜ | 12691363 |
| WILLEM TRADE OÜ | 12444883 |
| WILLEM INVESTEERINGUD OÜ kustutatud | 10620212 |
| WILLEM EHITUS OÜ kustutatud | 11470737 |
| WILHELMINE SALONG OÜ | 10627734 |
| WIKHOLM CONSULTING OÜ | 17374466 |
| MILHOLM KINNISVARA OÜ (former name Ecoliving OÜ) | 16554887 |
| GINHELM CAPITAL OÜ kustutatud (former name ARRM Foundation OÜ) | 14355132 |
| MILHOLM REAL ESTATE OÜ | 16960914 |
| BEST CITYGRUPP OÜ (former name Bestlock OÜ) | 12617042 |