| Name | : Jarkko tyvijärvi oy |
| Business Number | : 0857551-1 |
| Category | : Limited Company |
| Primary language | : Finnish |
| Place of taxation | : Akaa  | Date of registration | : 30/03/1994 |
| Activity | : Operation of gravel and sand pits; mining of clays and kaolin |
| Alias | : Avoin Yhtiö Tyvijärvi & Kni |