Anton Gäng establishes a lime and cement works in Weizen.
Wilhelm Stotmeister acquires the firm.
Acquisition of licence for organically bound plaster and commencement of production in Weizen.
The first external wall insulation system from Sto is launched onto the market.
Export business begins.
Establishment of the subsidiary in the USA.
Conversion of Stotmeister GmbH into Sto AG and incorporation of all subsidiaries into Sto AG.
Going public of Sto AG.
Completion of the new Communication Building.
Certification in accordance with DIN EN ISO 14001 at the Stühlingen site.
Establishment of the first subsidiary in Asia.
Completion of the new production plant in Weizen.
Opening of the “Info Factory” visitor centre covering 800 m² at the Weizen plant.
Record: As per 31 December 2007, the Sto Group has a total workforce of 4,056.
Further construction of production sites in the USA and Austria.