Hochtief Aktiengesellschaft (officially typeset HOCHTIEF) is a German construction company based in Essen, North Rhine-Westphalia, Germany. Hochtief is Germany's largest construction company and operates globally, ranking as one of the largest general construction companies in the United States through its Turner subsidiary, and in Australia through the Leighton Construction company. In 2010 it employed more than 70,000 employees across five corporate divisions. One of these, Hochtief Concessions, is a major airport operator. The others are involved with construction project planning, finance, construction and operation. Work done in 2010 was €23.23 billion, with more than 80% coming from operations outside Germany.

The company's history dates back to 1874 and includes engineering feats such as the transplantation of the Abu Simbel rock temples in Egypt (saving them from the rise of the River Nile caused by the Aswan High Dam), and infrastructure projects like the new Athens International Airport and Germany's first nuclear power plant. It is also noted for its involvement with the Bauhaus movement, particularly for its work at Zollverein colliery and later the reconstruction of the famous Kandinsky-Klee house in Dessau; both are now parts of World Heritage Sites. However, the company's reputation is tarnished by World War II, when it deployed forced labor on construction projects. It built the Führerbunker in Berlin, the scene of Adolf Hitler's suicide, as well as Hitler's Berghof retreat and Wolf's Lair headquarters. More recent constructions have included Bosporus Bridge (Turkey), King Abdulaziz International Airport (Saudi Arabia), and the Messeturm and Commerzbank Tower in Frankfurt.

In late 2010, Spanish construction company Grupo ACS, which already owned a 30 percent stake of Hochtief, launched a bid that would allow ACS to acquire an additional 20 percent stake of Hochtief. The bid was approved by the German Federal Financial Supervisory Authority (BaFin) on 29 November 2010. ACS raised the stake in Hochtief to 50.16 percent in June 2011, effectively taking over control of Hochtief.

Read more about Hochtief:  Structure and Ownership, Timeline of Notable Construction Projects

Other articles related to "hochtief":

Hochtief Airport
... Hochtief AirPort is an airport management company headquartered in Essen ... was founded in 1997 and is a subsidiary of the international construction service provider Hochtief Aktiengesellschaft ... As an airport manager Hochtief AirPort acquires shareholdings in private airports and - working together with the other shareholders - operates these as independent commercial enterprises ...
Budapest Ferenc Liszt International Airport - History - Public To Public-private Ownership (2000–2012)
... to sell its stake in Budapest Airport to a consortium led by the German airports group, HOCHTIEF AirPort GmbH, subject to the consent of the Hungarian State ... the new owner of BAA decided to dispose of its shares and sell them to the German company HOCHTIEF AirPort and three financial partners ... On 6 June 2007, BAA and a consortium led by HOCHTIEF AirPort (HTA) formally closed and completed the transaction of the sale of BAA’s shares in Budapest Airport (BA) to the HOCHTIEF AirPort Consortium ...