| Name | : Rtj-osaajat osk |
| Business Number | : 2343208-4 |
| Category | : Cooperative |
| Primary language | : Finnish |
| Place of taxation | : Helsinki  | Date of registration | : 28/07/2010 |
| Activity | : Construction of residential and non-residential buildings |
| Alias | : Rtj-Osaajat Osk |