Ömer Mehmet Koç

Entek Elektrik Üretimi AS engages in the generation and transmission of electrical power. It owns and operates gas fueled and hydroelectric power plants, as well as invests in energy sector. The company was founded by Mehmet Fahir Ilkel, Mustafa Samim Seren, and Ümit Kadri Özkan in 1995 and is headquartered in Istanbul, Turkey.

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.

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.

Ark Insaat Sanayi ve Ticaret AS engages in the provision of construction services. Its projects include civil engineering constructions, industrial facilities, residence, shopping and office buildings, as well as restoration and decoration works. The company was founded in 1965 and is headquartered in Ankara, Turkey.

Energy Group Srl designs communication and entertainment technology. It focuses on providing technology for commercial locations, art schools, theaters, convention centers, amusement parks, sports centers, cruise ships, hotels, restaurants and discos. The company is headquartered in Mondovi, Italy.

Part of Koç Holding A.S., Tüpras Trading UK is a Turkish company that was founded in 2018. The company is based in Körfez, Turkey. Tüpras Trading UK procures and refines crude oil, petroleum product & chemicals.

Part of Koç Holding A.S., WAT Motor Sanayi ve Ticaret AS is a Turkish company based in Tekirdag, Turkey. The company produces electric motors, including three-phase aluminum motors, single-phase motors, fan motors, and servo systems. The company also offers customer-specific solutions for various applications, including water and wastewater management, agriculture and industrial machines, material transport and lifting, and the maritime industry. The company was founded in 1965, and Cemal Seref Oguzhan Özturk has been the CEO since 2018. In 2021, the company was acquired by Koç Holding A.S. from Arçelik AS for $2.01 million.