Hans Haumer

Breitenfeld Edelstahl AG engages in the production and distribution of semi-finished and finished specialty steel products. It offers ingots, forged semi-finished products, round and square forged steel bars, as well as steel processed using the electroslag remelting and vacuum arc remelting methods. The company was founded in 1942 and is headquartered in St. Barbara-Mitterdorf, Austria.

Wiener Boerse AG provides financial services. The firm is the securities exchange and listing authority in Austria and offers the traditional cash market, derivatives market and the segment structured products. The company was founded in 1771 and is headquartered in Vienna, Austria.

Breitenfeld AG manufactures and distributes steel products. It offers tempered, heat resistant construction, ball-bearing, case-hardened, tool, austenitic, martensitic, and ferritic stainless steel. The firm’s products are used in applications, such as conventional and renewable energy production, petrochemicals/oil and gas sectors, tool making, machine building, transportation/racing, aerospace, shipbuilding, and high-pressure technology. The company was founded in 1942 and is headquartered in Mitterdorf, Austria.

Cycleenergy Holding GmbH is a holding company, which engages in the construction and operation of biomass and biogas combined heat and power plants. It provides services such as operating, financially structuring, and constructing renewable energy power plants. The firm also supplies electric and thermal energy. The company was founded by Stephan Oliver Schuster in 2006 and is headquartered in Vienna, Austria.

Formed in1946, Österreichische Industrieholding AG is the investment and privatisation agency of the Austria Republic.It stimulates and increases in the value of the investments for which it is responsible and on the other,it continually examines exit scenarios with the aim of achieving the partial or complete privatisation of those companies for which privatisation is envisaged.

Salzburger Aluminium AG manufactures aluminium automobile, train and aircraft body parts. It supplies aluminium components and systems for the automotive, utility vehicle, aviation, motorcycle and rail vehicle industries, as well as of high-performance materials for the processing industry. The firm's products range from energy storage systems, seat structures, energy management systems to high-performance materials and recycling. The company was founded in 1898 and is headquartered in Lend, Austria.

BAST Unternehmensbeteiligungs GmbH is an investment holding Austrian company. The private company is based in Vienna, Austria. The company was founded in 2018. The CEO is Anton Maria Burghardt.