| Email addresses: firstname.lastname(at)hydrosystem.fi | ||||
| Jyväskylä Sales | Tampere Sales | |||
| Pasanen Kimmo | +358 10 836 0820 | Johansson Mikko | +358 10 836 0831 | |
| Manninen Juha-Pekka | +358 10 836 0812 | Väätänen Mika | +358 10 836 0832 | |
| Pekkarinen Tomi | +358 10 836 0804 | |||
| Julku Harri | +358 10 836 0822 | |||
| SERVICE, REPAIR AND OVERHAUL | PURCHASE AND ACQUISITION | |||
| Julku Harri | +358 10 836 0822 | Haataja Matti | +358 10 836 0830 | |
| Nissinen-Linnera Toni (field service) | +358 10 836 0814 | Pelkonen Jaana | +358 10 836 0817 | |
| FINANCE AND INVOICING | MANAGEMENT | |||
| Pelkonen Jaana | +358 10 836 0817 | Haataja Matti | +358 10 836 0830 | CEO |
| Haataja Matti | +358 10 836 0830 | Haataja Arto | +358 10 836 0801 | COB |