| Phone | +372 6747500 |
| h.kek@harjukek.ee | |
| Internet | http://www.harjukek.ee |
| Owning and managing of affiliated companies, real estate development |
| General phone | +372 6508800 |
| info@maru.ee | |
| Internet | http://www.maru.ee |
| Maru AS is a holding company that mostly coordinates the activities of its subsidiaries. The group includes ten subsidiaries and two related companies |
| General phone | +372 6272020 |
| nordiccontractors@nordiccontractors.com | |
| Internet | http://www.nordiccontractors.com |
| Ownership of subsidiaries, management and economic consultations, accounting services, real estate development |