| Company name | Reg. code |
|---|---|
| SUMERCH OÜ | 16865452 |
| SUMERTI OÜ kustutatud | 10626893 |
| SUMERMA OÜ | 11008370 |
| SUMERU OÜ | 11902220 |
| SUMERI OÜ | 12808836 |
| SUMERKO SAILING OÜ (former name SUMERKO) | 10660737 |
| SUMER CONSULT OÜ | 12751941 |
| SUMER EHITUS OÜ | 11003579 |
| TAMMO SUMERA MUSIC OÜ | 16298823 |
| MERCH OÜ kustutatud | 10314662 |
| MERCH PRO OÜ | 14527998 |
| SERCH BYTHOL OÜ (former name Student Living OÜ) | 16501141 |
| SWOKIX OÜ (former name Slap A Meme Merch OÜ) | 16918912 |