Wienerberger AG is an Austrian building solutions and infrastructure systems company which is Europe's leading manufacturer of roof tiles and the world’s largest producer of bricks. In addition to clay products, the company is one of the leading suppliers of plastic pipe in Europe. With its over 200 production sites, the Wienerberger Group generated revenues of €4,566 million and operating EBITDA of €754 million in 2025. It is based in Vienna, Austria. Founded in 1819, the company's shares have been listed on the Vienna Stock Exchange since 1869 and currently have a free float of 100%. Wikipedia