| Company name | Reg. code |
|---|---|
| SHINTEGRUM OÜ | 17419944 |
| SINTEGRIUM OÜ | 16691035 |
| INTEGRUM OÜ | 17466085 |
| INTEGRUM SOLUTIONS OÜ kustutatud (former name Energiaabi OÜ) | 11881280 |
| INTEGRUM COLOR OÜ (former name Vesting OÜ) | 14045259 |
| INTEGRUM MARKETING OÜ kustutatud (former name Vestern OÜ) | 11006945 |