Eni

Eni S.p.A. (; former legal name Ente nazionale idrocarburi "National Hydrocarbons Board") is an Italian multinational energy company. It is considered one of the "supermajor" oil companies in the world, with a market capitalization of €48 billion, as of 31 December 2025. The Italian government owns a 30.5% golden share in the company, 1.99% held through the Ministry of Economy and Finance and 28.5% through the Cassa Depositi e Prestiti. The company is a component of the Euro Stoxx 50 stock market index.

proposed gas pipeline

Agip S.p.A., acronym for Azienda generale italiana petroli, was an Italian automotive gasoline, diesel, LPG, lubricants, fuel oil, and bitumen retailer established in 1926 and subsidiary of Eni S.p.A.

trans-Black Sea gas pipeline from Russia to Turkey

Saipem S.p.A. (Società Azionaria Italiana Perforazioni E Montaggi lit. Drilling and Assembly Italian Public Limited Company) is an Italian multinational oilfield services company and one of the largest in the world. Until 2016 it was a subsidiary of Italian oil and gas supermajor Eni, which retains approximately 30% of Saipem's shares.

Norwegian oil field in the North Sea

Gas pipeline connecting Algeria to Italy

offshore oil field in Kazakhstan's zone of the Caspian Sea

Snam S.p.A. is an Italian energy infrastructure company.

large crane vessel

Italian news agency

Norwegian oil field

Versalis S.p.A. (Polimeri Europa till 5 April 2012) is a wholly owned subsidiary of Italian oil supermajor Eni specializing in the production of chemicals. With more than 7,000 employees and a production of about 5.6 million tons of chemical products in 2023, it is by far the largest chemical company in Italy and one of the largest in Europe.

gas pipeline between Belgium and the UK

planned Turkish oil transporter

semi-submersible platform launched in 2011