Sasa Polyester Sanayi is the leading manufacturers of polyester, fiber, filament yarn, polyester based polymers, specialty polymers and intermediates company. The headquarters is in Turkey.

KOC HOLDING is a conglomerate company and has business in Energy, Automotive, Consumer Durables, Finance. Headquarters is in Istanbul, Turkey.

Enka Insaat ve Sanayi is a Engineering and Construction company. It had a turnover of USD 1.9 Billion in 2019. The company has undertaken 127 projects in Turkey amounting to a contract value of USD 7 Billion and another 413 projects with a contract value of USD 43 Billion have been awarded to ENKA in foreign countries. The headquarters is in Turkey.

QNB Finansbank is banking and financial services providing company.

It is having 475 number of branches and 2,897 ATMs and the total number of employees are 11,111 as on 2020.

The headquarters is in Istanbul, Turkey.

As on 2022, QNB Finansbank has 444 stores.

Automobile manufacturing company with headquarters in Turkey. Ford Otosan is a public company (18%) in which Ford Motor Company * (41%) and Koç Holding (41%) have equal shares. 

Founded in 1959, Ford Otosan is the largest commercial vehicle production center in Europe, with a production capacity of 455 thousand commercial vehicles and 70 thousand engines and 140 thousand transmissions. Kocaeli and Eskişehir Factories are listed among Ford's "Best Vehicle Production Centers" in evaluations between Ford factories.

Iron and steel products producing company with headquarters in Mexico.

Turkiye Petrol Rafinerileri is a Oil Processing Capacity company. The company spent a total of TL 311.5 million in R&D environmental management and investment in 2019. The headquarters is in Turkey.

Turkiye Is Bankasi is a Commercial Banking company. The headquarters is in Turkey.

As on 2019, Turkiye Is Bankasi has 1,354 branches.

Aselsan Elektronik Sanayi Ve Ticaret AS is a Defense Electronics and Arms Manufacturers company. It portfolio comprises communication and information technologies, radar and electronic warfare, electro optics, avionics, unmanned systems, land, naval and weapon systems, air defense and missile systems, command and control systems, transportation, security, traffic, automation and medical systems. The headquarters is in Turkey.