| Company name | Reg. code |
|---|---|
| PLUMTREE OÜ | 14483864 |
| PLUGFREE OÜ (former name OÜ Ruex Technology) | 16086914 |
| PLANTREE OÜ | 16424311 |
| PUUTREE OÜ | 16952332 |
| PALMTREE ADVERTISING OÜ kustutatud | 16652762 |
| BLUETREE HOLDING OÜ | 12572799 |
| YOLOTRAVEL AGENCY OÜ (former name Palmtree OÜ) | 11095558 |