| Company name | Reg. code |
|---|---|
| IDMILL OÜ | 16070853 |
| ADMILL OÜ | 16515752 |
| PINDMILL OÜ (former name OÜ Mõisnik) | 12369124 |
| IDAMILA OÜ | 14219417 |
| IMBILL OÜ | 14131378 |
| WINDMILL OÜ | 16089731 |
| NOMILL OÜ kustutatud | 10351976 |
| MINDMILL OÜ kustutatud | 12448183 |
| LEDMILL OÜ kustutatud (former name Saue Autokeskus OÜ) | 14727361 |
| REDMILL OÜ | 16756728 |
| WINMILL OÜ | 11405036 |
| IDEAMILL OÜ | 11747593 |
| BITMILL OÜ kustutatud | 14159767 |
| IDÜLL OÜ kustutatud | 11283780 |
| DRILL24 OÜ kustutatud | 11577145 |
| IDIAL OÜ | 16717160 |
| DRILL OÜ | 17128141 |
| IDYLL OÜ | 14459086 |
| IDILI OÜ | 16025628 |
| TAMILL INTENSIV OÜ kustutatud | 14294502 |
| WINDMILL VENTURES OÜ | 11717876 |
| ADPILL MARKETING OÜ kustutatud | 14953399 |
| IDEALL SYSTEME OÜ | 17464028 |
| PIXMILL ESTONIA OÜ | 11814042 |
| FISMILL WORKS OÜ | 17406700 |
| FISMILL ASSETS OÜ | 16912068 |
| WINDMILL TELECOM OÜ | 16339611 |
| KAMILL PLUSS OÜ | 10970633 |
| IWILL CONSULTING OÜ | 16300833 |
| MÜÜRI IDÜLL OÜ | 16307516 |
| DTH DRILL OÜ kustutatud | 12542864 |
| DOILL LUBRICANTS OÜ | 17163456 |
| AMILL KAUBANDUS OÜ kustutatud | 11270731 |
| KA IDÜLL OÜ | 17194333 |
| TEEMANT-DRILL OÜ | 17330138 |
| MILL OÜ kustutatud | 11547227 |
| CAPITAL MILL OÜ | 11331881 |
| INNOVATION MILL OÜ | 12966618 |
| Mill Solutions OÜ | 16810391 |
| JOY MILL OÜ | 17042385 |
| MILL HILL OÜ | 12715796 |
| LÕVE MILL OÜ | 12137738 |
| MILL INVESTMENTS OÜ | 12845547 |
| MONEY MILL OÜ kustutatud | 12519871 |
| KV MILL OÜ | 16625452 |
| MILL MOTORS OÜ | 17064139 |
| VIVA MILL OÜ kustutatud | 12109959 |
| TALENT MILL OÜ (former name RecruiTech OÜ) | 12683760 |
| HILL-MILL OÜ kustutatud | 11670620 |
| FOREST MILL OÜ kustutatud | 12915992 |