Gazprom
(51.0 percent)

Gazprom is the largest supplier of natural gas in the world, accounting for approximately 15 percent of world gas production. It was established as a joint stock company in 1993, and is partly owned by the Russian state (50.002 percent). Core activities include exploration, production, transportation, storage, processing and marketing of hydrocarbons as well as generation and marketing of heat and electric power. Gazprom controls approximately 70 percent of Russian gas reserves, produces 78 percent of all Russian natural gas and generates 17 percent of the electricity in Russia. The company is a leader in the construction and operation of pipelines. It controls a 161,700 kilometre-long pipeline network, which transports roughly 660 bcm of natural gas per annum.

Wintershall Dea
(15.5 percent)

With the merger of Wintershall Holding AG and DEA Deutsche Erdoel AG, two successful companies with a long tradition have formed Europe’s leading independent natural gas and oil company: Wintershall Dea. The company with German roots and headquarters in Kassel and Hamburg explores for and produces gas and oil in 13 countries worldwide in an efficient and responsible manner. With activities in Europe, Russia, Latin America and the MENA region (Middle East & North Africa), Wintershall Dea has a global upstream portfolio and, with its participation in natural gas transport, is also active in the midstream business. Wintershall Dea stands for more than 120 years of experience as an operator and project partner along the entire E&P value chain. The company employs around 4,000 people worldwide from over 60 nations. 

PEG Infrastruktur AG (E.ON)
(15.5 percent)

E.ON is an international investor-owned energy company, which focuses on energy networks and customer solutions. As one of Europe's largest energy companies, E.ON plays a leading role in shaping a clean, digital, decentralized world of energy. To this end, more than 75,000 employees develop and sell products and solutions for private, commercial and industrial customers as well as for cities and municipalities. Around 50 million customers purchase electricity, gas, digital products or solutions for electric mobility, energy efficiency and climate protection from E.ON. E.ON is headquartered in Essen, Germany.

N.V. Nederlandse Gasunie
(9.0 percent)

Gasunie is a European gas infrastructure company. Its network ranks among the largest high pressure gas pipeline grids in Europe, consisting of over 15,000 kilometres of pipeline in the Netherlands and northern Germany. The company offers transport services via its subsidiaries in the Netherlands and Germany and also offers other gas-related services, for instance in the field of gas storage and LNG. The company is the first independent gas transport provider with a cross-border network in Europe and aims for the highest standards in safety, reliability, efficiency and sustainability. The Gasunie network forms the core of what is called the northwest European "gas roundabout".

ENGIE
(9.0 percent)

ENGIE develops its businesses (power, natural gas, energy services) around a model based on responsible growth to take on the major challenges of energy’s transition to a low-carbon economy: access to sustainable energy, climate-change mitigation and adaptation, security of supply and the rational use of resources. The Group provides individuals, cities and businesses with highly efficient and innovative solutions largely based on its expertise in four key sectors: renewable energy, energy efficiency, liquefied natural gas and digital technology. ENGIE employs 152,900 people worldwide and achieved revenues of €74.7 billion in 2014. The Group is listed on the Paris and Brussels stock exchanges (ENGI) and is represented in the main international indices: CAC 40, BEL 20, DJ Euro Stoxx 50, Euronext 100, FTSE Eurotop 100, MSCI Europe, DJSI World, DJSI Europe and Euronext Vigeo (World 120, Eurozone 120, Europe 120 and France 20).