Buderus AG manufactures and markets heating equipment. The company has three businesses: heating products, castings and specialty steel products. Heating products include wall-hung boilers, heating elements, new construction heating systems, solar components, radiators and hot water storage tanks. Other products include cast iron pipes, specialty & precision castings, rolled steel products, forged materials and closed-die forgings. It operates subsidiaries mainly in western Europe, but also in eastern Europe and the US. The company is headquartered in Wetzlar, Germany.