Tezcan Yaramanci

Sanko Holding AS operates as a holding company which engages in textiles, energy production, construction, packaging, construction and agricultural machinery, information technology, education, finance, health, real estate development, shopping mall development, and food and beverage businesses in Turkey and internationally through its subsidiaries. Its textiles business engages in manufacturing and marketing and synthetic yarn, including cotton yarns; knits, woven, painted, and printed fabrics; home textiles and denims; and towels and bath robes. The company was founded by Sani Konukoglu in 1904 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.

Fibabanka AS operates as an international commercial bank. Its personal services includes deposit and investment, personal loans, insurance and pension, cards, interest rates and charges and commissions and banking transactions. The firm's commercial services includes loans, foreign trade and financing, cash management, insurance and pension, investment and project finance. The company is headquartered in Sisli, Turkey.

Dünya Göz Hastanesi Sanayi ve Ticaret AS engages in the management of private medical institutions, providing eye healthcare services under the brand Dünyagöz. Its other activities include provision of medical tourism services. The company was founded by Eray Kapicioglu on August 8, 1995 and is headquartered in Istanbul, Turkey.