1968 – Founded by Herbert Klenk and Helmut Meder in St. Georgen
1970 – Vienna branch founded
1972 – Administrative branch founded in Munich, relocation from St. Georgen to St. Pölten
1974 – Krems branch opened
1975 – New operations building (1.300 m²) opened in St. Pölten, Hnilickastraße 6
1985 – Operations building in St. Pöltner receives 800 m² extension
1993 – New Klenk & Meder HQ opened in St. Pölten, Hnilickastraße 13, with a floor space of 7.500 m² and electronic goods wholesaling
1996 – EN ISO 9001 ISO certification
2000 – Absolute affiliation of Klenk & Meder GmbH into Klenk Private Trust (Klenk Privatstiftung)
2001 – Acquisition of St. Pölten installation company Maroscheck
2003 – Herbert Klenk jr. appointed CEO
2008 – Linz branch founded, relocation of Vienna branch to Vienna Neudorf
2009 – Innsbruck branch founded
2010 - Kithbühel branch founded
2012 - Übersiedllung der Niederlassung Krems in den Neubau, Neueröffnung Maroschek in Krems