| Company name | Reg. code |
|---|---|
| OXHORN OÜ | 14436735 |
| OXDORF OÜ | 11654288 |
| ALHORN OÜ | 14856644 |
| OXFORD REALESTATE OÜ kustutatud | 10988656 |
| OXFORD SUSTAINABLE OÜ | 11503017 |
| OXTON CAPITAL OÜ kustutatud | 12246019 |
| OXTON TRADE OÜ kustutatud (former name Oxton Trade UÜ) | 12376897 |
| OXTON TEAM OÜ kustutatud | 12143227 |
| IVSI THORN OÜ | 17217873 |
| THÖRN PREFAB OÜ | 17024714 |
| THÖRN PROPERTIES OÜ (former name OÜ MUSAAR) | 11663815 |
| THÖRN HOUSES OÜ (former name Srb Ehitus OÜ) | 14986915 |
| MILES & THORN OÜ | 12240293 |
| THORN ENGINEERING OÜ | 14591909 |
| THORN PLUS OÜ kustutatud | 16437733 |
| OXTON TEAM OÜ (former name Oxton Team UÜ) | 14208784 |
| AHORN EHITUSE OÜ | 16433741 |
| OXFORD ENGINEERING EESTI OÜ | 11076696 |
| OXFORD BALTIC CONSULTANCY GROUP OÜ kustutatud | 16100347 |
| BLUE HORN OÜ kustutatud | 12342792 |
| HORN & HOODY OÜ | 16073113 |
| HORN SPORDIKAUBANDUSE OÜ | 10507616 |
| OXCON1 L.T.D. OÜ (former name OÜ TJPUIT) | 12000956 |
| OSCAR HORN DESIGN OÜ | 16577285 |
| OXIRONE OÜ (former name Oxiron OÜ) | 14016982 |
| 2COMM OÜ (former name Oxford Commerce OÜ) | 11140980 |
| KALON OÜ kustutatud (former name Olhon Gold OÜ) | 12567657 |
| 100 MEEDIA BRÄNDI OÜ (former name EÜM OÜ) | 14696258 |
| ATLA 1 OÜ (former name Oxford T1 OÜ) | 14439581 |