Karl Tragl

Diehl Stiftung & Co. KG engages in the production of metal, electronic controls and defense products. It offers its products to the automotive, electronic, and sanitation, and electronic controls industries. The company was founded by Heinrich Diehl and Margarete Diehl in 1902 and is headquartered in Nueremberg, Germany.

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.

Bosch Rexroth AG manufactures components and machinery for industrial hydraulics and control technology. It offers assembly technology, electric drives and controls, gear technology, industrial hydraulics, linear motion technology, mobile hydraulics, moulding and casting technologies, tightening and welding technology. The company was founded in 2001 and is headquartered in Lohr am Main, Germany.

Siemens Management Consulting is a management consulting firm. It offers services in the area of catering, reception, conference, meeting rooms, post and logistics, cleaning and safety services. The company is headquartered in Munich, Germany.

Part of Diehl Stiftung & Co. KG, Diehl Beteiligungen GmbH is a German company that provides investment services. The company is based in Nuremberg, Germany.