| Company name | Reg. code |
|---|---|
| PORTEVIN OÜ | 17473145 |
| PORTENIA OÜ | 12189563 |
| PORTOFIN VENTURES OÜ kustutatud | 14143803 |
| PORTELAIN CONSULT OÜ | 11143493 |
| PORTUVINO INTERNATIONAL OÜ | 16795131 |
| PROTEIN ENERGY OÜ | 16578907 |
| PROCESSED PROTEIN OÜ kustutatud | 12794821 |
| PERFECT PROTEIN OÜ | 17098658 |
| PROTEIN BYPRODUCTS OÜ kustutatud | 12650499 |
| HEALTHY PROTEIN OÜ | 16854566 |
| PROTEIN GROUP OÜ | 12452902 |
| PROTEIN INDUSTRY OÜ kustutatud | 12860831 |
| SHANNON PROTEIN TECHNOLOGIES OÜ | 12646026 |
| BORON OIL OÜ kustutatud (former name NortexIn OÜ) | 14322693 |