Our Business Partners and Affiliates


Tüpraş, holds 79.98% of Ditaş shares

The company came into activity in Istanbul on 16.03.1974. İpraş’s 29% share in Ditaş was transferred to Tüpraş in 1983; Tüpraş purchased Ditaş’s 50.98% share of the Directorate of Privatization Administration in October 2002 and obtained a total of 79.98% share in Ditaş and thus Ditaş became a subsidiary of Tüpraş. Ditaş entered a process of restructuring and growth after 2006. Within the framework of this process, 14 companies were established, with 100% of the capital belonging to Ditaş. The Company provides shipping line operation, brokerage/ship leasing, guidance, tug operation, inspection and agency services. Ditaş carries out crude oil transportation in line with the needs of Tüpraş, and does petroleum products transportation by taking the needs of Tüpraş and other suppliers into consideration. Ditaş carries out these services with its own tankers as well as tankers leased on a time and expentition basis.

686.775 DWT
3 Crude Oil Tanker 
1 Crude Oil Product Tanker 
9 Product Tanker 

Tüpraş holds 40% of Opet’s shares

Opet carries out activities in fuel distribution sector, retail sales, commercial and industrial sales, storage and international product trade. The Company operates in the fuel oil distribution sector via retail sales, commercial and industrial fuel oil sales, storage and international product trade. With nearly 900 employees, 1,615 stations including the Sunpet brand and 1.1 million m3 strage capacity, Opet manages an extensive service network throughout Turkey with 5 terminals and provides high-quality products and services to its cusmomers. Opet also performs production and marketing of mineral oils through Opet-Fuchs, its 50-50% partnership with the German mineral oil company Fuchs; and jet fuel supply and sales through THY-Opet, its 50-50% partnership with Turkish Airlines.

1,1 Million m 3
Körfez Ulaştırma
Körfez Ulaştırma

Tüpraş holds 100% of Körfez Ulaştırma A.Ş. shares

The company came into activity in Kocaeli on 13.05.2009 as Körfez Hava Ulaştırma A.Ş. in accordance with liberalization of Turkish Railways, the company reconstructed and named as Körfez Ulaştırma. As a railway train opetator, Körfez Ulaştırma transports petroleum protucts starding in December 2017 and throughout 2018, with five locomotives leased from TCDD in trains used in two-way between Kırıkkale and İzmit Refineries. In 2018, in addition to the 439 wagons owned by Tüpraş, 26 Opet wagons and 100-200 TCDD tank wagons were used in the transportation. The wagon maintenance workshop locadet at Kırıkkale Refinery isthe most comprehensive wagon repair and maintenance workshop in Turkey according to ECM standarts. The high performance of the workshop allows the wagons to operate at maximum efficiency.

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