| Company name | Reg. code |
|---|---|
| WIKPAC OÜ | 14723802 |
| WIKRA OÜ | 14538648 |
| WIKMAN DEVELOPMENTS OÜ (former name Osaühing Wikman KV) | 10982300 |
| MIKPAT OÜ | 17334828 |
| RIPAC OÜ | 17368224 |
| ZINPAC PACKAGE OÜ | 16854589 |
| MUNUKI UTUMBARI OÜ kustutatud (former name Pikpal OÜ) | 14342336 |