| Laboratory of Acoustics and Audio Signal Processing | |
| Helsinki University of Technology | |
| Otakaari 5 A Espoo, Finland | |
| P.O.Box 3000, FI-02015 TKK |
| VTT Manufacturing Technology | |
| Tekniikankatu 1 | |
| PL 1701, 33101 TAMPERE |
| Valtra Oy Ab | |
| Tourulantie 12 | |
| PO Box 557, FIN-40101 Jyväskylä |
| TAMROCK-loaders | |
| Turku |
| Timberjack Oy | |
| PL 474 | |
| 33101 TAMPERE |
| The Finnish Work Environment Fund | |
| Kalevankatu 12 | |
| 00100 Helsinki |