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the history

The Success Story

Since 1976 sta changes and improves successfully the locations of clients. A good sense of space, efficient sound insulation and a good floor plan are visible and noticeable for all clients. But how did this success story start?

sta has developed from a regional specialist to a provider, who meets global demands and sells its products worldwide.


1976Company TTA GmbH in Hamm an der Sieg starts first activities regarding sound insulation.

1986A division becomes a company. The foundation of sta Schalltechnische Anlagen GmbH in Mühlental in Hamm an der Sieg enables a focus on sound insulation solutions for industrial purposes.

1989Safety at work and sound insulation are more important in modern societies. sta’s business grows. That can be seen at sta’s site. A new office building with 600 m² is created. The production halls are extended to 2,400 m².

2003Dipl.-Ing. Roger Kunze and Josef Theis buy the company and expand the medium-sized company to a globally active sound insulation specialist.

2005The machinery is expanded by a powerful duo: plate shear and sheet bending machine.

2006The company needs more space. By a move and the later purchase of a free production facility raises the total area to approximately 20,000m².

2008The machinery is constantly expanded since 2008: a crane facility, two press braking machines (3 and 6 meters) complete the company’s site.

2009sta improves its digital infrastructure and introduces a AFPS ERP system and a ISD HiCAD 3.D program.

2013New building of the coating line including heat recovery. Expansion of the production concerning final assembly.

2014sta invests in machinery and expands the possibilities of mechanical processing.

2015sta grows again – and with it the portfolio. Additional to the core business a new division is created: sta flexible room systems.

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