Fritz Oberlerchner

STRABAG SE provides industrial engineering and construction services. The company provides services including architecture & engineering, tunneling and general construction and the group operates in every stage of construction from financing to project management. It operates mainly in Austria, Germany and Hungary and in other countries in central and eastern Europe. Its projects include Hungarian motorway, mass transit systems in Austria and a power plant in Turkey. It offers services like master builder, general contractor´s services, renovation, conversion, concreting, planning and building controlling. Founded in 1895, the company is headquartered in Vienna, Austria.

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.

Akdeniz Chemson Additives AG engages in the manufacture and distribution of additives for plastic and glass industries. Its solutions include 3D vinyl filament, one-component tablets, research & development and new stabilizers. The company was founded in April 2000 and is headquartered in Arnoldstein, Austria.

KIRCHNER Holding GmbH is a contractor of roads, railway tracks and bridges. It offers its services to governments and companies looking for contractors in building transportation infrastructure. The company was founded in 1926 and is based in Bad Hersfeld, Germany.

STRABAG GmbH offers highway and street restoration services. It provides services for roads and freeways. The company was founded on October 5, 2004 and is headquartered in Leinfelden-Echterdingen, Germany.

BAU Holding Beteiligungs AG designs and constructs expressways and roads. The company was founded in1999 and is headquartered in Spittal an der Drau, Austria.