Thomas Birtel

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.

Ed. Züblin AG engages in the provision of building construction and civil engineering services. Its services include turnkey construction, structural maintenance, tunnelling, ground engineering, structural steelwork, timber construction, environmental technology, bridge construction, chimney and refractory engineering, construction logistics, and modular construction . The company was founded by Eduard Züblin in 1898 and is headquartered in Stuttgart, Germany.

Part of RWE AG, Kloeckner Industrie Anlagen GmbH is a German company that specializes in heavy construction not elsewhere classified. The private company is based in Duisburg, Germany.

VHV Vereinigte Hannoversche Versicherung AG provides insurance services. It offers health, accident, housing, liability, and construction insurance solutions. The company was founded in 1919 and is headquartered in Hannover, Germany.

VHV Allgemeine Versicherung AG engages in the provision of insurance services. It offers vehicle, liability, accident, construction, legal protection, as well as household and home insurance. The company was founded in 1919 and is headquartered in Hannover, Germany.

Part of VHV Allgemeine Versicherung AG, VHV Holding AG provides IT services. The private company is based in Hannover, Germany. The German company was founded in 2003. Uwe Hans Reuter has been the CEO of the company since 2002.