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| DIRN Observatory | Hans-Heinrich Wenk's observatory located at 1000 m above sea level with unobstructed view across Kalkalpen National Park |
| Gaisberg Observatory | Richard Gierlinger designs and manufactures high precision telescopes and telescop mounts |
| Heidenhain GmbH | Measurement and Control Technology for Demanding Positioning Tasks |
| WOS - Wenk Observatory Solutions | Software & Hardware for ambitious amateur astronomers, amateur telescope makers (ATM) and public astronomical institutions. |