Franz Buxbaum

RHI AG engages in the manufacturing of refractory products, systems and services. Its products include solutions for the cement, enrviro-energy-chemistry, glass, lime, nonferrous metals, raw materials, and steel industry. The company brands include Monofrax, Didier, Veitscher, Radex, Interstop, and Dolomite Franchi. It operates through the following segments: Steel, Industrial and Raw Materials. The company was founded in 1998 and is headquartered in Vienna, Austria.

RHI Magnesita Deutschland AG engages in the manufacture of refractory materials. Its products are used in the iron and steel, cement and lime, glass and non-ferrous metals industries. The company was founded in 1834 and is headquartered in Wiesbaden, Germany.

Tyrolit - Schleifmittelwerke Swarovski KG engages in the development and production of abrasive, drilling, dressing, and cutting tools as well as machines for the construction industry. Its product portfolio includes saws, grinders, drilling motors,floor cutters, and pressing tools. The company was founded on February 13, 1919 and is headquartered in Schwaz, Austria.