Johann C. Lindenberg

Praktiker AG sells and distributes paints, building supplies, and do-it-yourself products. The company was founded in 1978 and is headquartered in Kirkel, Germany.

Gruner + Jahr Deutschland GmbH publishes printed and digital media products. The company distributes premium magazines under the STERN, GEO, BRIGITTE, ESSEN & TRINKEN, SCHÖNER WOHNEN, CHEFKOCH, BARBARA, BEEF, and 11FREUNDE brands. It also operates the international digital marketing platform AppLike. The company was founded by John Jahr, Sr., John Jahr, Gerd Bucerius, and Richard Gruner on June 30, 1965 and is headquartered in Hamburg, Germany.

Part of BDO LLP, BDO AG Wirtschaftsprüfungsgesellschaft is a private company based in Hamburg, Germany. The German company provides various services such as Wirtschaftsprüfung, prüfungsnahe Dienstleistungen, Advisory, and more. BDO AG Wirtschaftsprüfungsgesellschaft advises and audits companies in the logistics industry and maritime economy. The company helps businesses navigate the new regulations of the FISG, which bring significant changes for companies of public interest. BDO's experts also assist companies in achieving sustainable corporate governance and meeting the increasing number of legal requirements related to sustainability. The CEO of the company is Holger Otte.

Hamburg Messe & Congress GmbH organizes and manages trade shows and events. The company is headquartered in Hamburg, Germany.

Part of Exxon Mobil Corp., ExxonMobil Central Europe Holding GmbH explores and produces petroleum products. The private company is based in Hamburg, Germany. The German company was founded in 1999. The CEO is Florian Barsch.

Part of Praktiker AG, Baumarkt Praktiker Deutschland GmbH is a German company that retails paints, construction, and DIY products. The company is based in Hamburg, Germany.

Part of Exxon Mobil Corp., ExxonMobil Chemical Central Europe GmbH sells petroleum based products. The private company is based in Hamburg, Germany. The CEO of the German company is Florian Barsch.

J.J. Darboven Holding AG & Co. KG is a holding German company that operates subsidiaries producing coffee. The company is based in Hamburg, Germany and has subsidiaries in Germany and Austria. The private company was founded in 1996 and the CEO is Albert Darboven.

Elbphilharmonie Hamburg Bau GmbH & Co. KG constructs residential and commercial buildings. The private company is based in Hamburg, Germany.