Franz J. Leibenfrost

BPB Plc manufactures plasterboard & gypsum plasters and related interior products. The company offers insulation, ceiling tiles, internal linings that comprise plasterboard & accessories for fire and humidity resistance, thermal insulation, sound transmission, structural integrity, and design aesthetics. It provides complementary products, such as plasters, ceiling tiles, insulation, other building materials, and paperboard. The company was founded in 1915 and is headquartered in Slough, UK.

Custodia Holding AG engages in the management, acquisition, administration, and support of enterprises and shareholdings. It also purchases, manages, utilizes, and sells real estate properties. The company was founded in 1872 and is headquartered in Munich, Germany.

The Global Smaller Cos. Trust Plc is a closed-end management investment company, which seeks to exploit the high investment potential of smaller companies listed on global equity markets. The company was founded on February 15, 1889 and is headquartered in London, the United Kingdom.

Part of Rudolf Weinberger Holding GmbH, Eisenwerk Sulzau Werfen R & E Weinberger AG is a leading manufacturer of rollers for steel deformation. The company is based in Tenneck, Austria and prides itself on professional competence, technical reliability, and the highest product quality. The Austrian company has a long history dating back to 1770 and has been owned by the Weinberger family for almost 120 years. The company's products are designed with a focus on sustainability and environmental responsibility. The company offers career opportunities and is committed to providing quality products and services to its customers.

Veitsch Radex AG Fuer Feuerfeste Erzeugnisse supplies fireproofed products. The private company is based in Radenthein, Austria and has subsidiaries in Switzerland.

Part of Atlas Copco AB, Atlas Copco Holding GmbH develops and manufactures electric and pneumatic tools, compressed air equipment, construction and mining equipment, assembly systems, and provides equipment rental services. The company is based in Essen, Germany. The German company was founded in 1952. The CEO is Henk Brouwer.

Solvay Österreich GmbH is a company based in Ebensee, Austria. Part of Solvay SA, Solvay Österreich GmbH manufactures organic chemicals. The CEO of the Austrian company is Manfred Inkmann.