Gülermak Ağır Sanayi İnşaat ve Taahhüt A Ş. (Gülermak in short form; ) is a Turkish construction company, especially for

rail transport Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...

, established in 1958.

Overview

Gülermak has been involved in constructing more than 260 km of underground tunnels and 120 metro stations. According to ''

Engineering News-Record The ''Engineering News-Record'' (widely known as ''ENR'') is an American weekly magazine that provides news, analysis, data and opinion for the construction industry worldwide. It is widely regarded as one of the construction industry's most au ...

'' (ENR), in 2020 the company was the 124th international contractor in the world with revenues of $699.1 million. The company has offices in

Ankara Ankara is the capital city of Turkey and List of national capitals by area, the largest capital by area in the world. Located in the Central Anatolia Region, central part of Anatolia, the city has a population of 5,290,822 in its urban center ( ...

(

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

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 Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...

Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...

(

United Arab Emirates The United Arab Emirates (UAE), or simply the Emirates, is a country in West Asia, in the Middle East, at the eastern end of the Arabian Peninsula. It is a Federal monarchy, federal elective monarchy made up of Emirates of the United Arab E ...

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

(

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

) and

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 India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

). Gülermak undertakes construction projects internationally, especially for rail transport, for example in

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

, etc. Gülermak has been contributed to construction projects such as the following: * Expressway S2 (Poland) * Golden Horn Metro Bridge *

Istanbul Metro The Istanbul Metro () is a rapid transit railway network that serves the city of Istanbul, Turkey. Apart from the M11 line, which is operated by TCDD Taşımacılık, the system is operated by Metro Istanbul, a public enterprise controlled by th ...

* M4 (Istanbul Metro) * Pune Metro * Route 2020 (Dubai Metro) *

Kanpur Metro The Kanpur Metro is a Rapid transit, mass rapid transit (MRT) system in Kanpur, Uttar Pradesh, India. The metro is owned and operated by the Uttar Pradesh Metro Rail Corporation (UPMRC) and it partially opened within two years of construction ma ...

* Świnoujście Tunnel Gülermak is part of the ExpoLink Consortium, established in 2016, comprising

Alstom Alstom SA () is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional ...

Acciona Acciona, S.A. () is a Spanish multinational conglomerate dedicated to the development and management of infrastructure (construction, water, industrial and services) and renewable energy. The company, via subsidiary Acciona Energía, produces 21 ...

, and Gülermak, that is constructing the Route 2020 metro line, part of the

Dubai Metro The Dubai Metro () is a rapid transit system in the city of Dubai, United Arab Emirates. The metro system consists of a network of two main lines: the Red Line and the Green Line. A third line, the Blue Line, is scheduled to open in 2029. Du ...

, linking

Expo 2020 Expo 2020 () was a World Expo hosted in Dubai, United Arab Emirates, from 1 October 2021 to 31 March 2022. Originally scheduled for 20 October 2020 to 10 April 2021, it was postponed due to the COVID-19 pandemic in the United Ara ...

to the Red Line. In 2020, Gülermak was awarded a

Kraków , officially the Royal Capital City of Kraków, is the List of cities and towns in Poland, second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city has a population of 804,237 ...

tram line contract in Poland. Examples of projects include metro stations and infrastructure in

, a metro line branch in

, the underground in

. Gülermak has its own

assembly line An assembly line, often called ''progressive assembly'', is a manufacturing process where the unfinished product moves in a direct line from workstation to workstation, with parts added in sequence until the final product is completed. By mechan ...

s. The company's projects, especially tunnelling using

tunnel boring machine A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. TBMs are an alternative to drilling and blasting methods and "hand mining", allowing more rapid excavation through hard rock, wet or dry so ...

s (TBMs), have been discussed in

peer-review Peer review is the evaluation of work by one or more people with similar competencies as the producers of the work ( peers). It functions as a form of self-regulation by qualified members of a profession within the relevant field. Peer review ...

ed papers. Record-breaking results involving the company have been reported on the Dudullu-Bostancı Metro Line in

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

. In 2023 Gülermak entered into an eight-year joint venture with Alstom (French manufacturer) and Arcada (a Romanian construction company) . The consortium of organisations won their bid for the 1.82 billion Euro contract to design and construct the first metro line in Cluj-Napoca, Romania.

Controversy

In 2017, it was reported that the company experienced delays in the software for the signalling system of the Ankara-Konya High-Speed Train. In early 2021, there were reported issues with salary payments for the company's workers during the construction of the Sabiha Gökçen Airport metro.

References

External links

Gülermak website
1958 establishments in Turkey Construction and civil engineering companies established in 1958 Manufacturing companies based in Ankara Transport companies of Turkey Construction and civil engineering companies of Turkey Railway infrastructure companies Rail infrastructure manufacturers Rail vehicle manufacturers of Turkey {{Turkey-company-stub

Overview

Controversy

See also

References

External links