Osman Durak

SETUR Servis Turistik AS provides tourism activities and duty free services. Its products include duty free cosmetics, tobacco, foreign / local drinks, ready wear, accessories, electronics and textiles. It also offers services such as domestic and international flight ticket reservations, group and individual travel organizations, cruises, study abroad services, congress and seminar organizations, dealer meetings, helicopter and air taxi operations, all kinds of vehicle and boat rentals, incoming, and operation of duty free shops. The company was founded in 1964 and is headquartered in Istanbul, Turkey.

Demir Export AS engages in iron ore mining operations. The firm also operates coal, gold and related mines. Its Activities include operations, exploration and project and business development The company was founded in 1957 and is headquartered in Ankara, Turkey.

Inventram A.S. (Inventram) is the venture capital subsidiary of Koç Holding A.S. The firm was founded in 2010 and is headquartered in Istanbul.

Part of Koç Holding A.S., Mogaz Petrol Gazlari AS is a Turkish company that operates in the energy sector. The company is based in Istanbul, Turkey.

Koç Finansal Hizmetler AS engages in the provision of financial services. Its services include financial leasing, factoring, investment banking, portfolio management, and consulting. The company was founded by Semahat Sevim Arsel, Rahmi Mustafa Koç, Daime Sevgi Gönül, and Suna Kiraç on March 16, 2001 and is headquartered in Istanbul, Turkey.

Otomotiv Sanayii Dernegi (OSD) is a non-profit company based in Istanbul, Turkey. OSD has been successfully working for 42 years to develop the automotive industry in Turkey with its global player members and wide range of expert staff.

Part of Ford Otomotiv Sanayi AS, Ford Otosan Sancaktepe Ar-Ge Merkezi is a Turkish company that provides architectural services. The company is based in Istanbul, Turkey.

Otosan Pazarlama is a private company based in Turkey that specializes in the distribution of shares.