Alpaslan Aktug

Güris Holding AS provides Construction, Engineering and Mining Services. The company was founded by Idris Yamantürk in 1958 and is headquartered in Cankaya, Turkey.

Celik Holding AS is a holding Turkish company that operates through its subsidiaries in the construction, concrete production, energy, and mining sectors. The private company is based in Istanbul, TR, and has subsidiaries in the United Kingdom and Turkey.

Galatasaray Spor Kulübü is a professional football club. The CEO of the Turkish company is Ömer Faruk Isik.

Istanbul Serbest Muhasebeci Mali Müsavirlik Ltd Sti operates as an accounting body in Turkey. Its activities include provision and development of accounting organizational framework, promotion of activities and interests, organization of educational and certification courses, operational and technical support for the daily work of its members. The company was founded on March 20, 1990 and is headquartered in Istanbul, Turkey.

Asil Çelik Sanayi ve Ticaret AS engages in the production of hot rolled, heat treated, fully conditioned, alloyed, non-alloyed, and high-alloyed steel products used in machine tool manufacturing, automotive, and defense industries. Its products include surface hardening, spring, cementation, stainless, micro alloy, wear resistance, high temperature, quenched and tempering, cold and hot working tool, bearing, free cutting, constructional, boron, and nitriding surface hardening steels. The company was founded on January 16, 1974 and is headquartered in Çayirova, Turkey.