Astaldi S.p.A. is an Italian multinational major construction company based in

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

. The group is active in the fields of civil engineering,

hydraulic engineering Hydraulic engineering as a sub-discipline of civil engineering is concerned with the flow and conveyance of fluids, principally water and sewage. One feature of these systems is the extensive use of gravity as the motive force to cause the move ...

electromechanical engineering Electromechanics combine processes and procedures drawn from electrical engineering and mechanical engineering. Electromechanics focus on the interaction of electrical and mechanical systems as a whole and how the two systems interact with each ...

and transportation. Significant subsidiaries include Astaldi Concessioni, NBI, Astaldi Construction Corp, NBI, and TEQ Construction Enterprise.

History

The company was founded in 1929 by Sante Astaldi, and a member of the Astaldi family remains on the company's board. Astaldi was involved in many major European civil works projects pre-

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, including the

–

Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...

railway. After the war, the company extended its activities to Africa, where it focused on road construction. Between the 1950s and the 1970s, Astaldi's presence was introduced to the Middle East, Central and South America, and the Far East. The company split into Impresa Astaldi Estero S.p.A. (for foreign markets) and Impresa Astaldi Estero S.p.A. (for Italian projects) in 1950 but merged to form the present-day Astaldi S.p.A. in the 1980s. Astaldi continued to diversify its projects, entering new markets in the United States,

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

throughout the 1980s and 1990s. The Canadian portion of the company attempted to build a power station at Muskrat Falls in Labrador, Canada in 2016 without having a structural engineering permit to work on such a project. The company was deemed "professionally incompetent". In November 2020,

Webuild Webuild S.p.A. (previously Salini Impregilo S.p.A.; ) is an Italian industrial group specialising in construction and civil engineering. The company was formally founded in 2014 as the result of the merger by incorporation of Salini into Impregi ...

acquired a 65% shareholding in Astaldi.

Major projects

Significant projects include:

Italy

Rome Metro The Rome Metro () is a rapid transit system that operates in Rome, Italy. It started operation in 1955, making it the oldest in the country. The Metro comprises three lines – A (orange), B (blue) and C (green) – which operate on of rout ...

completed in 1955 * Genoa Metro completed in 1990 *The Lampeggiano Dam in Italy completed in 1992 *

Milan Metro The Milan Metro () is the rapid transit system serving Milan, Italy, operated by Azienda Trasporti Milanesi. The network consists of five lines with a total network length of , and a total of List of Milan Metro stations, 125 stations (+2 in con ...

completed in 1999 *The Rosamarina Dam in

Sicily Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...

completed in 1999 * The Rome-Naples High Speed Line completed in 2005

Romania

Arena Națională The National Arena () is a retractable roof football stadium in Bucharest, Romania. It opened in 2011 on the site of the original National Stadium, which was demolished between 2007 and 2008. The stadium hosts major football matches including h ...

completed in 2011 * Basarab Overpass completed in 2011

Turkey

* Mount Bolu Tunnel, long road tunnel completed in 2007 * Golden Horn Metro Bridge, long metro line bridge, completed in February 2014. *

Yavuz Sultan Selim Bridge The Yavuz Sultan Selim Bridge (), also known as the Third Bosphorus Bridge'','' is a vehicular bridge over the Bosphorus strait, to the north of Istanbul's two older suspension bridges, the 15 July Martyrs Bridge being the First Bosphorus Bridge ...

, a road-rail bridge over the

Bosphorus The Bosporus or Bosphorus Strait ( ; , colloquially ) is a natural strait and an internationally significant waterway located in Istanbul, Turkey. The Bosporus connects the Black Sea to the Sea of Marmara and forms one of the continental bo ...

with a longest span of , completed in August 2016. * İzmit Bay Bridge, road bridge under construction with longest span, due to be completed in 2017

Abroad

Caracas Metro The Caracas Metro () is a mass rapid transit system serving Caracas, Venezuela. It was constructed and is operated by Compañía Anónima Metro de Caracas, a government-owned company that was founded in 1977 by José González-Lander who ...

in Venezuela completed in 1983 *

Large Electron–Positron Collider The Large Electron–Positron Collider (LEP) was one of the largest particle accelerators ever constructed. It was built at CERN, a multi-national centre for research in nuclear and particle physics near Geneva, Switzerland. LEP collided electr ...

for

CERN The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Gene ...

Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...

completed in 1989 * Copenhagen Metro completed in 2002 * Upgrade for a key stretch of Bulgarian railway infrastructure completed in 2010 * Second line of

Warsaw Metro The Warsaw Metro () is a rapid transit underground system serving the Poland, Polish capital Warsaw. It currently consists of two lines, the north–south M1 (Warsaw), M1 line which links central Warsaw with its densely populated northern and sou ...

completed in 2013 * Construction of the new International Terminal of Santiago International Airport, Santiago, Chile, completed in 2021. * Expressway S2 in

Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...

, Poland completed in 2021. * Construction on the Versova–Bandra Sea Link in

Mumbai Mumbai ( ; ), also known as Bombay ( ; its official name until 1995), is the capital city of the Indian state of Maharashtra. Mumbai is the financial capital and the most populous city proper of India with an estimated population of 12 ...

, India due to be completed in 2023. * Construction of the dome structure of the European

Extremely Large Telescope The Extremely Large Telescope (ELT) is an astronomical observatory under construction. When completed, it will be the world's largest optical and near-infrared extremely large telescope. Part of the European Southern Observatory (ESO) agency, ...

on Cerro Armazones for the

European Southern Observatory The European Organisation for Astronomical Research in the Southern Hemisphere, commonly referred to as the European Southern Observatory (ESO), is an intergovernmental organization, intergovernmental research organisation made up of 16 m ...

in Chile due to be completed in 2024.

References

{{reflist Companies based in Rome Construction and civil engineering companies established in 1929 Companies listed on the Borsa Italiana Construction and civil engineering companies of Italy Italian companies established in 1929 Multinational companies headquartered in Italy Italian brands