Surgutneftegas is the fourth-largest vertically integrated oil company in Russia and ranks among the ten largest private oil companies in the world in terms of crude production.
Russian Railways
Russian Railways ranks among the global top three railroad companies. It was established by the Russian Government Decree No. 585 of 18 September, 2003, as a result of the reforming of the railway sector in accordance with the Russian Government Decree No. 384 of 18 May, 2001.
Gazprom Neft
Gazprom Neft is one of the largest and solid-growing oil and gas companies in Russia. The core business activities of the company are exploration, exploitation, production and sale of oil and gas, as well as production and marketing of petroleum products.
Rosneft is the leader of the Russian oil industry and one of the largest public oil and gas companies in the world. The core business activities of the company are exploration and production of oil and gas, production of petroleum products and petrochemicals, and marketing of these products.
Novatek is the largest independent natural gas producer in Russia. Novatek is engaged in exploration, production, processing and marketing of natural gas and liquid hydrocarbons. The main fields and license areas are located in the Yamal-Nenets Autonomous Okrug in Western Siberia.
Afipsky Refinery
Afipsky Refinery is one of the most solid-growth and promising enterprises in Krasnodar Region. Currently, plant in order to increase the production volume and the depth of oil processing plans to upgrade existing facilities and to build new production facilities.
Ilsk Refinery
Ilsk Refinery is the refining venture in Krasnodar Region. It is included in the Kuban Oil and Gas Company. Every year, the plant multiplies the amount of raw materials processing, expands capacity and increases the depth of oil refining, aspiring to produce light oil products under the requirements of Euro 4 and Euro 5.
Krasnodar Refinery
Krasnodar Refinery – Krasnodareconeft – is one of oldest plants in the industry producing high-quality products, which meet the requirements of Russian standards. The existing technological system allows the plat to produce a wide range of products.
Bashneft is a solid-growth vertically integrated oil company, formed on the basis of the largest energy plants of the Republic of Bashkortostan. Bashneft ranks among the top ten of Russian oil companies in terms of crude producing and in the top five in terms of refining.
Transneft is a Russian transport monopoly operator of oil pipelines. The core business activity of the company is the transportation of oil and petroleum products in pipeline system in the territory of Russia and foreign countries.
The company is an investor and management company at Yaysk Refinery, located in the Kemerovo Region. The plant was put into operation in October, 2012. The capacity of the first section of the refinery is 3 million tonnes of oil a year, and by 2017, after the modernization of its production, is planned to increase this volume to 5 million tonnes a year with achievement of refining depth to 93%.

Also, the partners of Transoil are major trading companies.