| Company name | Reg. code |
|---|---|
| WELMET AS (former name WELMET OÜ) | 10052096 |
| WELEMENT AS | 12892498 |
| HELMES AS | 10364097 |
| ELMET RAKVERE AS | 10293049 |
| HELMES GROUP AS (former name Helmes Group OÜ) | 14833927 |
| BELMOT ESTONIA AS (former name Aktsiaselts ASC) | 10378627 |
| NPM SILMET OÜ (former name NPM Silmet AS) | 10294959 |