| Company name | Reg. code |
|---|---|
| PERIMETER OÜ | 11082633 |
| PERIMETER X OÜ (former name Swiss Scholar OÜ) | 14977572 |
| GPP PERIMETER PROTECTION OÜ kustutatud | 12308246 |
| PERITER GRUPP OÜ kustutatud | 10946861 |
| FRIEDEGGGAMES OÜ (former name Perimetr F OÜ) | 14270950 |
| DECIMETER OÜ kustutatud (former name Decimeter UÜ) | 16086724 |
| DECIMETER OÜ kustutatud | 12668631 |
| PRIMETEN OÜ | 11302419 |