| Company name | Reg. code |
|---|---|
| EFC ESTONIA OÜ | 12681821 |
| EFCC ESTONIAN FIELDBUS COMPETENCY CENTRE OÜ | 12775870 |
| ESTONIA MANAGEMENT COMPANY EMC OÜ | 14602895 |
| EUROFINS ENVIRONMENT TESTING HOLDING ESTONIA OÜ kustutatud (former name EF Environment Testing Estonia Holding OÜ) | 14227428 |
| EUROFINS SCIENTIFIC ESTONIA OÜ (former name EF Environment Testing Estonia OÜ) | 12893983 |