Privacy policy

Current members and observers

The IAOT currently unites nine members and one observer.


MERO ČR, a. s., Czech Republic

The founding Member of the IAOT. MERO ČR was established in 1994. The only shareholder is the Ministry of Finance of the Czech Republic. MERO owns and operates the Czech section of the Druzhba crude oil pipeline (505,7 km) and the IKL crude oil pipeline (347,4 km). It is the only pipeline transporter of crude oil into the Czech Republic and the most important company ensuring storage of strategic emergency stocks of crude oil for the state. (Learn more)

Transneft PJSC, Russia

Transneft, Public Joint Stock Company, was established in 1993 by the Government of the Russian Federation. It provides services in the field of oil and oil products transportation via the trunk pipelines system within Russia and abroad. It operates more than 72.000 km of trunk pipelines and transports around 90 % of oil extracted in Russia. (Learn more)


TRANSPETROL, a. s., is the only operator of the oil pipeline system in the Slovak Republic, which measures over 1.000 km. The state owns 100 % of the shares of the company. In addition to crude oil transportation, TRANSPETROL, a. s., is also involved in crude oil storage. Alongside the operative storage of crude oil for business partners, its capacity stacks also serve as storage of crude oil for the State Material Reserves. (Learn more)

Gomeltransoil JSC, Belarus

Gomeltransoil Druzhba was established in 1992 as an independent state enterprise. It transports Russian and Belarusian oil to the JSC Mozyr refinery, provides transportation of Belarusian oil for export and transit of Russian and Kazakh oil to Poland, Germany, Ukraine, Hungary, Slovakia, and the Czech Republic. It operates almost 2.000 km of pipelines. (Learn more)

MOL, Hungary

MOL Group is an integrated, international oil and gas company, headquartered in Budapest, Hungary, founded in 1991.
It is active in over 30 countries with international workforce of over 25,000 people and a track record of more than 100 years in the industry.
The main business areas are upstream, downstream, gas midstream and business innovation and services.
MOL Hungary Pipeline Operation is part of downstream business. MOL Group’s downstream division operates four refineries and two petrochemical plants, and is made up of different business activities that are part of an integrated value chain. This value chain turns crude oil into a range of refined products, which are moved and marketed for household, industrial and transport use. The products include, among others, gasoline, diesel, heating oil, aviation fuel, lubricants, bitumen, sulphur and liquefied petroleum gas (LPG).
MOL Pipeline Operation operates 800 km of crude pipelines and 1350 km km of product pipelines.
Its main responsibilities are to transport oil products (incl. semi-finished products) from the Danube Refinery to the depots, and from/back Duna Refinery and MOL Petchem Tiszaújváros (18 different product and semi-finished products). The Hungarian crude pipeline system is transporting different types of crude oils originated from domestic fields, Russia and the Mediterranean region. (Learn more)

KazTransOil, Kazakhstan:

KazTransOil was founded in 1997, and is the national operator for the main oil pipeline. The Company operates and maintains over 5.300 km of oil pipelines and over 1.900 km of main waterlines, provides services on crude oil and oil products transportation, and organizes transportation of Kazakh oil via pipeline networks of other states. (Learn more)

China National Petroleum Corporation (CNPC), China

On July 27, 1987, China National Petroleum Corporation (CNPC) was reorganized to become an integrated group with businesses covering oil and gas upstream and downstream operations, as well as oilfield services and engineering construction.
CNPC is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction. With a presence in almost 70 countries, CNPC is seeking an even greater international role.
The CNPC’s domestic oil and gas pipelines measured a total length of 77,612 km, consisting of 48,629 km of natural gas pipelines, 18,892 km of crude oil pipelines and 10,091 km of refined product pipelines. (Learn more)

Ukrtransnafta, Ukraine

JSC «Ukrtransnafta» is the national operator that provides services on oil transportation by pipelines to the Ukrainian refineries and its transit to the countries of Central and Eastern Europe. JSC «Ukrtransnafta» operates an extended oil pipeline system with the total length 4767,4 km, including 11 tank-farms with total nominal capacity 1,083 Mil. m3, 51 oil pumping stations, marine oil terminal (MOT) «Pivdenny». (Learn more)

JANAF, Croatia

JADRANSKI NAFTOVOD, dioničko društvo (JANAF Plc.), with its registered office in Zagreb, Republic of Croatia, is managing an oil pipeline and storage system as a modern, efficacious and cost-efficient system of transportation and storage of crude oil and petroleum products. By constructing and putting into operation the oil pipeline and storage system (1979) JANAF has become a strategically significant factor of supply security of the refineries in six countries of South Eastern and Central Europe, and today, is recognized as the EU strategic oil pipeline, through the project of common interest (PCI), entitled JANAF-Adria Pipelines. Besides crude oil transportation, JANAF’s core business includes storage of crude oil and petroleum products. (Learn more)


Caspian Pipeline Consortium (CPC)

CPC is a major international crude oil transportation project with the participation of Russia, Kazakhstan and leading international oil companies. It was founded in 1992 (restructured in 1996) with the vision of constructing and operating a more than 1.500 km long trunk pipeline. There are currently 11 shareholders in the project. (Learn more)