Helmut Wieser

Alcoa, Inc. engages in the lightweight metals engineering and manufacturing. Its products are used worldwide in aircraft, automobiles, commercial transportation, packaging, oil and gas, defense, and industrial applications. It operates through the following segments: Alumina; Primary Metals; Global Rolled Products; Engineered Products and Solutions; and Transportation and Construction Solutions. The Alumina segment consists of a portion of Alcoa's upstream operations and consists of the company's worldwide refinery system, including the mining of bauxite, which is then refined into alumina. The Primary Metals segment comprises of Alcoa's upstream operations and consists of the company's worldwide smelter system. The Global Rolled Products segment is involved in the production and sale of aluminum plate, sheet and foil. The Engineered Products and Solutions segment involves in the production and sale of titanium, aluminum, and super alloy investment castings, hard alloy extrusions, forgings and fasteners, aluminum wheels, integrated aluminum structural systems, and architectural extrusions. The Transportation and Construction Solutions segment engages in downstream operations and produces products that are used mostly in the nonresidential building and construction and commercial transportation end markets. The company was founded by Charles Martin Hall on October 1, 1888 and is headquartered in New York, NY.

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.

BENTELER Business Services GmbH engages in the management of companies. It offers development, production, and distribution of steel products, ready-to-install components, systems for vehicles made from metals, plastics, machines and tools. The company was founded on August 12, 2010 and is headquartered in Paderborn, Germany.

Rain CII Carbon LLC engages in the production of calcined petroleum coke. Its products include calcined delayed sponge coke used by aluminum producers for anode manufacture; calcined delayed coke for titanium dioxide pigment manufacture; and calcined fluid coke which is used as a packing material in anode baking furnaces. The company was founded in 1959 and is headquartered in New Orleans, LA.