Soner Temel Mühendislik

KRK Holding

Infrastructure

Tunnel Construction

Transportation

Subway Construction

Mining

Mine Development Works

Infrastructure

Deep Excavation and Retaining Works

Soner Temel Mühendislik İnşaat ve Ticaret Anonim Şirketi (STM) is among the leading Tunneling and Infrastructure companies in Turkey. Since its establishment in 2000, STM has been producing creative solutions by following closely the developments in technology with its strong technical and application staff. As a result, it builts good relations in the sector. It creates added value for its brand with its high performance and quality applications. This situation differentiates STM from its competitors and brings it to the preferred position.

We Started Works to Bring Two New Metro Lines to Istanbul

Kaynarca-Pendik-Tuzla metro line construction works were restarted. The project, which gained speed after the "Kaynarca-Pendik-Tuzla Metro Line Construction Works Restart Ceremony", consists of 2 independent metro lines with a total length of approximately 12 km and 8 stations.

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Soner Temel Mühendislik İnşaat ve Ticaret A.Ş. Has Reached 43% Financial Realization In The "NATM Tunnel Excavation Support Works" Project

As of August 2020, we, Soner Temel Mühendislik İnşaat ve Ticaret A.Ş. have reached 43% financial realization in the "NATM Tunnel Excavation Support Works" project within the scope of Başakşehir-Kayaşehir Metro Line Construction and Electromechanical Works, which we have started with subcontract signed on 21.05.2020.

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Sapanca-Geyve High-Speed Train Project T2 Tunnel Construction Works Has Started

Within the scope of “Istanbul - Ankara High-Speed Railway Project”, “Design and Construction Works Between Geyve - Sapanca (Dogancay Ripaji)”, there are a total of 8 tunnels including 2 main tunnels and 6 security tunnels.

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