Ernst Freiherr von Freyberg

Biesterfeld AG engages in the distribution and sale of plastics, rubbers, and specialty chemicals. It operates through the following business divisions: Plastic, Spezialchemie, Performance Rubber, International, ChemLogS, and BIT-SERV. The firm also trades industrial and agro chemicals as well as pharmaceutical raw materials and agents. The company was founded by Wilhelm Ernst Hinrich Biesterfeld in 1906 and is headquartered in Hamburg, Germany.

HANNOVER Finanz GmbH (HF) is an independent private equity firm headquartered in Hannover in northern Germany with a branch in Austria. HF is a majority-owned subsidiary of HANNOVER Finanz Group, which became independent through a management buyout in 1993. HF was established in 1979 within HDI-Haftpflichtverband der Deutschen Industrie VaG, which later became the German insurance group Talanx. HF specializes in private equity investing. Their shareholders and clients are primarily large German institutions in the banking and insurance sectors. The firm manages an extensive range of investment funds in which the group's shareholders are significant investors. HANNOVER Finanz Group and private individuals also invest in the firm's funds.

Dirk Rossmann GmbH owns and operates health and beauty product stores. Its product portfolio includes perfumes and fragrances, health, household goods, baby and child, pet, garden and leisure products and technology and multimedia items. The firm’s brands include Babydream, Facelle, Domol, Sun Ozon, Prokudent, Isana, and Genuss Plus. The company was founded by Dirk Rossmann in 1972 and is headquartered in Burgwedel, Germany.

Hannover 96 GmbH & Co. KGaA operates as a football club. Hannover 96 GmbH & Co. KGaA is based in Hannover, Germany. The German company was founded in 1896 by Arnold Fokke, August Riehn, Ernst Witte, F. Vogeler, Franz Namendorff, Fritz Hoffmann, Fritz Köllermeyer, Georg Kindermann, H. Beplate, L. Eggers, W. Bielefeld, and Wilhelm A. Namendorff. The CEO is Martin Kind.

Reitstall Steinberg GmbH provides horse riding services. The private company is based in Neuenkirchen, Germany. The CEO of the German company is Roland Norbert Frobel.

FRISS Beteiligungsgesellschaft mbH provides investment services. The private company is based in Isernhagen, Germany. The German company was founded in 2010. The CEO is Roland Norbert Frobel.

DR Objekt GmbH is a German company that engages in buying, selling, leasing, development, and management of real estate. The private company is based in Burgwedel, Germany. The CEOs of the company are Dustin Artz, Roland Norbert Frobel, Hasan Kaya.

Part of Rossmann Beteiligungs GmbH, DR Immobilien GmbH is a German company that provides land, buildings, and apartments management services. The company is based in Burgwedel, Germany. The CEOs are Dirk Daniel Roßmann, Dustin Artz, Hasan Kaya. The company was founded in 2008.

Part of Rossmann Beteiligungs GmbH, DR Projekt GmbH is a German company that rents and leases land, buildings, and apartments. The company is based in Burgwedel, Germany. The CEOs are Dustin Artz, Hasan Kaya. The company was founded in 2005.

Part of Rossmann Beteiligungs GmbH, DR Konzept GmbH leases residential buildings. The company is based in Burgwedel, Germany. The CEOs are Dustin Artz, Roland Norbert Frobel, Hasan Kaya, Dirk Daniel Roßmann. The German company was founded in 2001.

Rossmann Central Europe BV is an investment holding Dutch company. The private company is based in Renswoude, Netherlands. and has subsidiaries in Czechia. The CEO of the company is Roland Norbert Frobel.

SAXONIA Holding GmbH is an investment holding German company for the Klier Family. The company is based in Germany and has subsidiaries in Czechia and Germany. The CEO of the private company is Hans-Christian Winkelmann.

PWK Automotive Beteiligungs GmbH engages in the holding and management of participating interests in firms, particularly in the automotive supply industry. The company was founded on July 28, 2016 and is headquartered in Hannover, Germany.

BAG Verwaltungs GmbH provides investment services. The private company is based in Hannover, Germany. The CEOs are Schopf Christopher, Jürgen von Wendorff. The German company was founded in 2014.

DIAKOVERE gGmbH operates as a day care center. The private company is based in Hannover, Germany. and has subsidiaries in Germany. The German company was founded in 2016. The CEO is Stefan David.

Biesterfeld Spezialchemie GmbH manufactures and distributes specialty chemicals. Its product applications include life science, nutrition, performance products, including coatings, adhesives, sealants, and elastomers. The firm offers special chemicals used in the production of cosmetics, pharmaceutical products, household cleaning products, and organic intermediates. The company was founded in 1998 and is headquartered in Hamburg, Germany.