| Company name | Reg. code |
|---|---|
| EFM HOLDING OÜ | 11355611 |
| EKM HOLDING OÜ | 14697074 |
| EFO HOLDING OÜ (former name EFO Holding UÜ) | 14740083 |
| CFM HOLDINGS OÜ kustutatud | 14456703 |
| ESM HOUSING OÜ kustutatud | 12473867 |
| EFERELT OÜ (former name EF Holding OÜ) | 16446695 |
| EUROFINS ENVIRONMENT TESTING HOLDING ESTONIA OÜ kustutatud (former name EF Environment Testing Estonia Holding OÜ) | 14227428 |