| Company name | Reg. code |
|---|---|
| SEMYANA OÜ | 16092725 |
| SEMNATA OÜ (former name Refo OÜ) | 12806211 |
| SEMLANT OÜ | 16329995 |
| SEMAAN OÜ kustutatud | 11902579 |
| SEMANT TECHNOLOGIES OÜ (former name Arcticquality OÜ) | 17186339 |
| SEMRAN EST OÜ | 17314205 |
| FIRST SEMAND OÜ kustutatud | 11529399 |
| SEVANA OÜ | 12019861 |
| OKROUHLO DUMYANA OÜ kustutatud (former name R-Logistics OÜ) | 16250986 |
| SEANA OÜ | 14685071 |
| MACERA OÜ (former name Smyrna OÜ) | 12616226 |
| RESTOAPP OÜ (former name Sejana Design OÜ) | 12325115 |