| Company name | Reg. code |
|---|---|
| MEH WELDING OÜ | 12927771 |
| WELDING MEN OÜ | 14626364 |
| MHE HOLDING OÜ | 14982900 |
| MJH HOLDING OÜ (former name Matka Veijalainen OÜ) | 12671584 |
| DERSUSCOM OÜ kustutatud (former name Met Holding Group OÜ) | 12360152 |
| AUTOABITEENUSED OÜ (former name OÜ ME Holding) | 10844029 |