Gerhard Wildmoser

ISOROC Holding AG is an international building materials group. It offers a variety of ecologically sustainable products such as mineral wool (insulation), cement bonded particle boards, prefabricated houses and other wooden products. The company was founded in 2005 and is headquartered in Vienna, Austria.

Asamer Baustoffe AG engages in providing raw and building material solutions with core competencies in concrete and cement. The company was founded on December 16, 2013 and is headquartered in Ohlsdorf, Austria.

MTB Beteiligungen AG provides real estate services. Its services also include financial, consulting, printing, publishing and digital services. The company is headquartered in Vienna, Austria.

Management Trust Holding AG engages in the business of parking and access systems and machine-tool building. It also focuses on the fields of commerce, financial investment, consulting, and software and system engineering. The company is headquartered in Vienna, Austria.