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voestalpine High Performance Metals GmbH engages in the production and processing of high performance materials. It also provides services such as heat treatment, high-tech surface treatments, and additive manufacturing processes. The firm offers products, which include tool, high-speed, and valve steels for the automotive, oil and natural gas exploration, mechanical engineering, consumer goods, and aerospace industries. The company was founded in 1991 and is headquartered in Vienna, Austria.

Constantia Industries AG operates as an industrial holding company. It focuses on investment management in the areas of construction, furniture, sports goods, machine and generator assembly, aviation, as well as energy management. The company was founded in 1949 and is headquartered in Vienna, Austria.

Austria Metall GmbH manufactures aluminum products. The firm operates as supplier of primary aluminum and semi-finished aluminum products in selected markets. The application range of these products extends from aircrafts, automobiles and sporting goods, buildings, machinery, packaging, lighting, decoration up to IT and Telecommunication. The company was founded in 1938 and is headquartered in Braunau am Inn, Austria.

ATB Austria Antriebstechnik AG engages in the development, manufacture, distribution, and sale of electrical drive systems for industrial applications and machinery. It operates through the following segments: Low Voltage, High Voltage, and Others. The Low Voltage segment includes customer-specific series motors and industrial drive systems. The High Voltage segment engages customer and project specific motors and complex drive systems. Other segments include the consolidation of distribution companies; the Group reconciliation includes those areas that could not be allocated to any segment. The company was founded in 1919 and is headquartered in Vienna, Austria.

Part of Sandvik Aktiebolag, Voest-Alpine Bergtechnik GmbH is an Austrian machine tool manufacturing company. The company is based in Zeltweg, Austria. Voest-Alpine Bergtechnik was acquired by Tamrock Oy from Österreichische Beteiligungs AG on July 01, 1996 for $140.85 million.

Part of voestalpine AG, Villares Metals SA is a Brazilian company that specializes in producing high-alloy special steels for aerospace, aeronautics, and defense applications. The company is based in Sumare, Brazil. Villares Metals offers a comprehensive internship program that provides students with hands-on experience in various areas related to their field of study. The program also includes professional and personal training. The company's Application Engineering team works closely with clients to create customized solutions, bridging the gap between Product Engineering and the entire Production area. With years of experience, qualified professionals, and a modern Research Center, Villares Metals meets the highest standards of the aerospace industry and is the largest producer of high-alloy special steels for aerospace applications in Latin America.

Buderus Edelstahl GmbH manufactures steel products. Its products include open-die forgings, tool steel, which includes plastic mould, die, hot working and cold working, special engineering steel and rolled billets. The company was founded in 1920 and is headquartered in Wetzlar, Germany.

voestalpine Stahl GmbH develops, produces and sells steel products. It offers steel plates, steel strips, steel castings, steel tubes and pipes, organic coated steel and foundry products. The company is headquartered in Linz, Austria.