Gülermak Ağır Sanayi İnşaat ve Taahhüt A Ş. (Gülermak in short form; English: "Gülermak Heavy Industry Construction and Contracting") is a Turkish construction company, especially for rail transport, established in 1958. Gülermak has been involved in constructing more than 260 km of underground tunnels and 120 metro stations. According to Engineering News-Record (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 (Turkey), and Warsaw (Poland), Dubai (United Arab Emirates), Stockholm (Sweden) and Mumbai (India). More information...
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