| Company name | Reg. code |
|---|---|
| INGROUP HOLDING OÜ | 12385590 |
| FWGROUP HOLDING OÜ (former name BioMP Production OÜ) | 14662822 |
| DERSUSCOM OÜ kustutatud (former name Met Holding Group OÜ) | 12360152 |
| INSTRUMENTIS OÜ kustutatud (former name Staria Holding Group OÜ) | 14024047 |
| ROOT INTERNATIONAL TRADING AND CONSULTING OÜ (former name Refrigerants Holding Group OÜ) | 14658909 |
| HOME GROUP OÜ (former name Home Group Holdings OÜ) | 14891333 |
| ESTLANDIA SOLUTIONS OÜ (former name Holding Group OÜ) | 14235927 |
| NAVIGANT HOLDING OÜ kustutatud (former name Remedia Holding OÜ) | 11486595 |
| MANWELD OÜ (former name Verman Welding Group OÜ) | 14788316 |
| MQQA04 HOLDING OÜ (former name HLG70 Holding OÜ) | 16057611 |
| AIRSHIP GROUP OÜ (former name Dypromto Holding OÜ) | 12904735 |
| IMPRAVIA PARTNERID GRUPP OÜ (former name Concede Holding OÜ) | 12689515 |
| EMR CONSTRUCTION OÜ (former name EMR Group Holding OÜ) | 14621094 |
| EESTI HARIDUS- JA MAJANDUSTEADUSTE AKADEEMIA OÜ (former name Baltic Holdings Group OÜ) | 12511355 |