| Name | : J a markon ky |
| Business Number | : 0860384-2 |
| Category | : Limited Partnership |
| Primary language | : Finnish |
| Place of taxation | : Lappeenranta  | Date of registration | : 19/06/1991 |
| Activity | : Structural engineering activities |
| Alias | : Manninen Iv-Konsultointi Ky |