| Company name | Reg. code |
|---|---|
| TESMAN EHITUS OÜ | 14187812 |
| TESRON EHITUS OÜ (former name Evicon OÜ) | 11926901 |
| HENMAN EHITUS OÜ kustutatud | 12168408 |
| ESTMAN EHITUS OÜ | 14654231 |
| ESSMAN EHITUS OÜ (former name Essman Viimistlus UÜ) | 16348931 |
| GERMAN EHITUS OÜ | 16502985 |
| HERMAN ADVISE OÜ (former name Herman Ehitus OÜ) | 14140555 |
| ÖM BYGG OÜ (former name OÜ ESMAR EHITUS) | 10029447 |