GEBR. ZIEGLOWSKI GmbH & Co. KG is a leading, medium-sized company in the building materials industry, based in the Eifel region. For generations, we have stood for the sustainable extraction and production of high-quality construction and bulk materials. Our portfolio ranges from energy-efficient masonry systems (KLB) and innovative landscaping products to bulk materials such as pumice and lava from our own quarries, as well as specialized planting and mineral substrates.