·         1977: foundation of the firm by Allgäuer Helmut, on a farm dating back to 1790 in Theresienfeld

·         1977 - 1988: mainly restoration of church organs

·         1985: reconstruction of the organ workshop in the former barn

·         1986 : transfer of the workshop to Grünbach am Schneeberg to a former inn (elevation 700 meters, situated  in a solitary spot)

·         1988: first construction of a church organ (2/14)

·         1989: construction of a chest organ (1/3), 60 kgs in two parts (40/20kgs), transportable in a car

·         1991: construction of the first regal for the university of Graz

·         1995: construction of a canopy organ (masterwork of Christoph Allgäuer)

·         1997: transfer of the firm (generation change)

·         1998: reconstruction of a piano organ from 1580 for the technical museum in Vienna

·         2000: development of a piano organ consisting of 2 parts (virginal / chest organ)

·         2001: introduction  up of an internet homepag

·         2002  migration to Würflach into the former estate building of Villa Hettmannsdorf

·         2008  implementation of a wood chip heating system

·         At the beginning, we only restored church organs. Through this activity, we learned about ancient production methods.

·         Today we mainly build new organs with 3 - 40 registers. Besides, we also produce regals with the appropriate wind systems. We only produce the instruments after the orders and requirements of our customers.