Welcome to the website of SW Umwelttechnik!

The family business founded in Klagenfurt 1910 SW Umwelttechnik Stoiser & Wolschner AG, listed on the Vienna Stock Exchange since 1997, stands for sustainable management and consistent growth in Central and Eastern Europe. With locations in Austria, Hungary and Romania and 400 employees, the company is an important economic force in Central Europe. SW developed environmental technology, manufactures and sells precast concrete products for the business areas of water protection and infrastructure. It makes its contribution with innovative technologies to protect the environment and the development of necessary infrastructure in the CEE countries.