Harald Zender

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.

Kinghero AG is a fashion company which engages in the designing, manufacturing and selling casual wear. It operates through the Men's Wear and Women's Wear segments. The Men's Wear segment manages the production and sale of products for males. The Women's Wear segment includes the Auvadis brand, operated by company's subsidiary. The company was founded on April 16, 2009 and is headquartered in Wiesbaden, Germany.

Ultrasonic AG engages in the distribution and sale of eyewear. Its products include sunglasses and sports glasses. The company was founded on May 18, 2011 and is headquartered in Dusseldorf, Germany.

Part of Groupe Bruxelles Lambert SA, Calderys Deutschland GmbH is a leading provider for industries operating in high temperature conditions. The company is based in Neuwied, Germany. The German company specializes in thermal protection for industrial equipment with a wide range of refractory products, and advanced solutions to enhance steel casting, metallurgical fluxes and molding processes. The CEOs of the company are Cyprien Maugras, Marc-Antoine R. Henroz, Harald Zender.