| Company name | Reg. code |
|---|---|
| FYSA OÜ (former name Fysiatria OÜ) | 12294449 |
| FYS OÜ | 14371036 |
| K-FYS OÜ | 14118975 |
| FISRA OÜ (former name Fysra OÜ) | 14876747 |
| GYSA OÜ | 16226226 |
| FYMA OÜ (former name Visory OÜ) | 14319403 |
| AYSA OÜ | 14471074 |
| MYSA OÜ | 16354486 |
| NYSA STUDIO OÜ | 17338938 |
| TYSA GRAVITY OÜ | 16208866 |
| FSA EUROPE OÜ kustutatud | 12472709 |