Hans-Joachim Ziems

PCF GmbH engages in the development, manufacture, and distribution of engineered wood, surface-finished products, and laminated flooring. Its range of products covers raw particleboard, medium density fiberboard (MDF), high density fiberboard (HDF), melamine-faced particleboard, post-forming elements and laminate floors. The company was founded by Gustav Adolf Pfleiderer in 1894 and is headquartered in Düsseldorf, Germany.

IVG Immobilien GmbH is a financial holding company, which engages in the ownership, development, and management of real estate properties. The company was founded in 1916 and is headquartered in Bonn, Germany.

VDN Vereinigte Deutsche Nickel-Werke AG is a holding company, which invests in networks of companies. It operates through the following segments: Fastening Systems, Nonferrous Metal Technology, Payment Systems, Home Decorations, and Other Investments. The Fastening Systems segment provides clamp systems and nail systems. The Nonferrous Metal Technology sells semi-finished products and preliminary products such as tapes, rods, and wires made of molten nickel and nickel alloys. The Payment Systems segment offers coin blanks and coins. The Home Decorations segment manufactures and designs wallpapers, curtains, table coverings, and self-adhesive foils. The Other Investments segment consists of RI Holding GmbH, Langbein Pfanhauser Werke GmbH, VDN Gastronomieservice GmbH, and DOAG USA, Inc. The company was founded on February 1, 1873 and is headquartered in Düsseldorf, Germany.

A.T.U. Auto-Teile-Unger Handels GmbH & Co. KG owns and operates a chain of car and truck parts retail and repair franchises. The firm also specializes in the retail distribution, installation, as well as maintenance of automotive parts and accessories. Its product portfolio includes tires, alloy rims, airbags, seats, seat covers, batteries, oil, and stereo systems. The company was founded by Peter Unger in 1985 and is headquartered in Weiden in der Oberpfalz, Germany.

Sat.1 Beteiligungs GmbH operates as a holding company with interest in newspaper publishing services and media enterprises. Its core business lies in newspapers, magazines, and the digitization of its distribution channels which are supported by printing works and distributing organizations. The company is headquartered in Berlin, Germany.

VEM Vermögensverwaltung GmbH manufactures construction materials. The company also offers residential places for rents as well as for sale and provides maintenance services to museums, heritage buildings and monuments. VEM Vermögensverwaltung was founded in 1887 and is headquartered in Dresden, Germany.

PIN Group AG provides mail distribution services. It also markets envelopes and stamps under the brand name pin. The company was founded in 2005 and is headquartered in Cologne, Germany.

A-Z Beteiligungen GmbH operates as a holding firm. The company was founded on November 23, 2005 and is headquartered in Cologne, Germany.