Türk Hava Yolları Teknik A.Ş.

Turkish Technic offers maintenance, repair and technical support to Turkish Airlines, as well as to more than 100 domestic and international airlines. Established on 23 May 2006, the company is a wholly-owned subsidiary of Turkish Airlines. With its subsidiary operations and more than 7,400 employees, Turkish Technic conducts its activities with the goal of becoming an important regional air transport technical maintenance base by supplying the full range of maintenance, repair, and technical and infrastructure support the aviation industry requires.

Further information: www.thyteknik.com/en/index.html

Güneş Ekspres Havacılık A.Ş.

Established in 1989, Sunexpress is a joint venture of Turkish Airlines and Lufthansa, in which each holds a 50% stake. It is the market leader in charter flights between Germany and Turkey. Having inaugurated flights in 1990, the company has served the charter market for many years. It became the first private airline in Turkey operating scheduled international flights, by its Antalya-Frankfurt route which started in 2001. In 2011 Sun Express Deutschland GmbH was founded as a joint venture of German foundation Stiftung and Sun Express, in which each holds a 50% stake.

Further information: www.sunexpress.com/en

THY Opet Havacılık Yakıtları A.Ş.

Turkish OPET Aviation Fuels, established on 18 September 2009, is a joint venture of Turkish Airlines and OPET Petrolcülük A.Ş., in which each holds an equal stake. It provides jet fuel storage and supply services at Istanbul Atatürk Airport and other airports in Turkey. The company commenced operations on 1 July 2010. In addition to aviation fuels of every kind, it also engages in the domestic and international sale, importation, expotation, distribution, and transport of chemicals, lubricants, and paints. Kuzey Tankercilik A.Ş. and Güney Tankercilik A.Ş., were established on 1 November 2012, as wholly owned subsidiaries of THY Opet Havacılık Yakıtları A.Ş. in order to provide transportation of petrolium and petrolium products. As of 31 December 2017, the Company has 462 employees.

Further information: www.thyopet.com/home-page/

TGS Yer Hizmetleri A.Ş.

The company provides ground handling services at Istanbul Atatürk Airport, Sabiha Gökçen Airport, as well as other major airports in Turkey to many domestic and international airlines. Established in 2009 as a joint venture of Turkish Airlines and HAVAŞ Havaalanları Yer Hizmetleri A.Ş., in which each holds a 50% stake, TGS has been in operation since the beginning of 2010. As of 31 December 2017, 10,049 employees are working for the company.

Further information: www.tgs.aero

THY DO&CO İkram Hizmetleri A.Ş.

The company provides catering services to Turkish Airlines, and to other domestic and international airlines. Commencing operations in 2007, Turkish DO&CO is a joint venture of Turkish Airlines and Austrian originated DO&CO restaurants & Catering AG, in which each holds a 50% stake. Headquarted at Istanbul Atatürk Airport, it provides catering services to domestic and international airlines out of kitchens operating at different locations in Turkey. Turkish DO&CO has been responsible for substantial improvements in catering service quality aboard Turkish Airlines aircraft. As of 31 December 2017, 4.530 employees are working for the company.

Further information: www.doco.com/index_eng.htm

Pratt&Whitney THY Teknik Uçak Motoru Bakım Merkezi Ltd. Şti.

The company provides aircraft engine maintenance, repair, and overhaul services to customers in Turkey and its hinterland. Established on 10 October 2008, stakes of %49 and %51 are held respectively by United Technologies, a subsidiary of Pratt&Whitney, and Turkish Airlines. Operating out of a high-tech, environmentally-friendly maintenance center with an area of around 100,000 m² at Istanbul Sabiha Gökçen International Airport, TEC has the capacity to perform maintenance on more than 200 aircraft engines a year. As of 31 December 2017, 335 employees are working for the company.

Further information: www.thyteknik.com/affiliates/turkish_engine_center.html

Goodrich THY Teknik Servis Merkezi Ltd. Şti.

At the Gebze facilities, high quality services for maintenance and repair of nacelles, thrust reversers, related parts and rotable support is provided. Established in 2010, the Goodrich Turkish Airlines Technical Service Center is a joint venture of Turkish Technic (40%) and TSA-Rina Holdings (60%), the latter a subsidiary of Goodrich Corporation. The Goodrich Turkish Airlines Technical Service Center aims to be an important player in the industry by providing maintenance and repair services meeting international standards to Turkish Airlines and other international airline companies, underpinned by technical certification. As of 31 December 2017, 39 employees are working for the company.

Further information: www.thyteknik.com/affiliates/goodrich_turkish_technic_service_center.html

TCI Kabin İçi Sistemleri San. ve Tic. A.Ş.

Established on 9 May 2011, stakes of 30%, 21% and 49% are held respectively by Turkish Airlines, Turkish Technic and Türk Havacılık ve Uzay Sanayi A.Ş. (TUSAŞ – TAI). TCI’s objective is to undertake the design, manufacture, logistical support, modification, and marketing of aircraft cabin interior systems and components, and aims to become one of the leading manufacturers in the industry. As of 31 December 2017, 163 employees are working for the company.

Further information: www.tci.aero

Uçak Koltuk Üretim San. ve Tic. A.Ş.

A joint venture with the Assan Hanil Group, the company was set up to design and manufacture airline seats, and to make, modify, market, and sell spare parts to Turkish Airlines and other international airline companies. Formed on 27 May 2011, stakes of 50%, 45%, 5% are respectively held by Assan Hanil Group, Turkish Airlines, and Turkish Tecnic. As of 31 December 2017, 81 employees are working for the company.

Further information: www.tsiseats.com/en-index.php

THY Uçuş Eğitim ve Havalimanı İşletme A.Ş.

The company was established on 21 June 2012 as a wholly-owned subsidiary of Turkish Airlines. It was established to operate Aydın Çıldır Airport, provide aviation training, organize sports-training flights and conduct all activities related to the transportation of passengers with aircraft types appropriate to prevailing runway length. As of December 2017, Company has 33 employees. Name of the company has been changed from THY Aydın Çıldır Havalimanı İşletme A.Ş. to THY Uçuş Eğitim ve Havalimanı İşletme A.Ş.

Vergi İade Aracılık A.Ş.

The incorporation was established on 1 September 2014, as a joint venture of Turkish Airlines, Maslak Otomotiv Sanayi A.Ş. and VK Holding A.Ş. in which holds 30%, 45% and 25% stake, respectively. Tax Refund Interagency will carry out brokerage operations of value added tax return regarding the goods bought in Turkey by non-residents. As of 31 December 2017, 19 employees are working for the company.

THY Havaalanı Gayrimenkul Yatırım ve İşletme A.Ş

The Incorporation has decided to establish, THY Havaalanı Gayrimenkul Yatırım ve İşletme Anonim Şirketi", in order to operate principally in the fields of airport operations and investments and also according to the fields of other activity that is specified in the Articles of Association of the Company. The aforementioned Company, which is wholly-owned by Türk Hava Yolları A.O, has been registered by Istanbul Trade Registry Office on 15  November 2017 and is established with the cash capital of 50.000 TRY. (Fifty thousand Turkish Lira).