Ingo Klötzer

STRABAG AG provides building, construction, and technical services. The firm engages in the design, planning, billing, and construction of structures and technical installations. It also sells and distributes building components, materials, and equipment. The company was founded in 1895 and is headquartered in Cologne, Germany.

IG Metall is the largest individual trade union in the world, based in Frankfurt am Main, Germany, with subsidiaries in Germany. The German company provides information, materials, and useful guides to its members to help them achieve fairness and good working conditions in their workplaces and society. The private company's focus is on employment security, occupational safety, and value chains. The CEO of the company is Hans-Jürgen Urban.

Apleona GmbH engages in the provision of real estate and facility management services. It operates through the following business areas: Facility Management, Real Estate Management, Building Technology, and Interior Fitouts. The firm offers services such as integrated facility management, facility management consulting, fund and asset management, leasehold improvements, drywall construction solutions, turnkey interior fittings and modernization, as well as fabrication and assembly of own fitting systems. The company is headquartered in Neu-Isenburg, Germany.

Part of thyssenkrupp AG, thyssenkrupp System Engineering GmbH is a German company that provides engineering services for the automobile industry. The company is based in Heilbronn, Germany. The CEO of the company is Ingo Steinkruger.

Part of thyssenkrupp AG, thyssenkrupp Automotive Body Solutions GmbH is a German company that manufactures automotive body parts. The company is based in Heilbronn, Germany.