1951:

Gebhard Schmitter lays the foundation stone with the purchase of a Berna truck

1953:

The first earthworks are carried out with a self-built Trax

1956:

Alois Schmitter joins his brother's company

1956:

Purchase of the first construction machine

1959:

Start of gravel mining on the old one Rhine in Diepoldsau

1966:

Garage extension at Augiessenstrasse 1 in Widnau

1970:

Purchase of the first Grove 27 t crane truck

1975:

Conversion from a sole proprietorship to a stock corporation

1975:

Construction of a parking garage on Augiessenstrasse

1978:

Son Alex Schmitter joins the company in

1987: End of gravel mining on the Old Rhine in Diepoldsau and dismantling of the plant

1993: With the purchase of the first Welakiladekipper, the dump operation is built up

1994: Takeover of the company by Alex and Luzia Schmitter-Huber

1995: Acquisition of the property in the former Viscose area

1996: Planning and construction of a workshop at Espenstrasse 91 in Widnau

1996: Sale the crane truck to Bollhalder Autokran AG, Kirchberg

1997: Move into the new workshop

2003: Foundation of Lumal GmbH

2003: Acquisition of the property adjacent to the workshop

2004: Start of the production of 2MixZ concrete module blocks

2007: Acquisition of the warehouse on Sefarstrasse and Conversion into a recycling sorting hall

2009: Receipt of the environmental certificate for concrete waste recycling.

2014: New construction of the open hall for the recycling center