Grupo Snam S.p.A.

Ansaldo Nuclear Engineering Services Ltd. designs and manufactures safety critical engineered products. The firm also offers project management, engineering services, manufacture and assembly, procurement services, test and commissioning, and installation services. The company was founded by Brett Cooper in 2003 and is headquartered in Wolverhampton, the United Kingdom.

Vard Electro AS is a Norwegian company that takes pride in building ships and maintaining strong partnerships with ship owners. The company is based in Sovik, Norway. The company utilizes their innovation power to meet the changing needs of the world by providing modern shipbuilding facilities, new vessels, products, and services. The company's shipyards offer ship repair and conversion services for all types of sailing vessels. With over four decades of shipbuilding experience, they simplify the shipbuilding process for their customers by offering integrated innovative products and services through their network of highly specialized subsidiaries. The company is ultimately controlled by the Government of Italy.

Part of SNAM SpA, Snam International BV is an investment holding Dutch company. The company is based in Amsterdam, Netherlands.

GNL Italia SpA engages in the regasification of liquefied natural gas. It operates the factory in Panigaglia which involves in receiving, storage, regasification, and vapour recovery activities. The company was founded in 2001 and is headquartered in Milan, Italy.

Snam Rete Gas SpA provides natural gas transport and dispatching services. The firm's focus areas encompass integrated natural gas transportation, energy investment plans, and transmission network management. It specializes in the development and operation of its regional and national networks, compressor stations, and dispatching centers. The company was founded in November 15, 2000 and is headquartered in San Donato Milanese, Italy.

Stoccaggi Gas Italia SpA provides gas storage services. The company is headquartered in San Donato Milanese, Italy.

CDP Reti SpA operates as an investment company. The company was founded in October 2012 and is headquartered in Rome, Italy.

Fincantieri Infrastructure SpA is one of the world's largest shipbuilding groups, known for its diversification and innovation. The company is based in Valeggio sul Mincio, Italy. Fincantieri is ultimately controlled by the Government of Italy. The CEO of the Italian company is Marcello Sorrentino.

Fincantieri Nextech SpA provides system integration, electronic and informatics services. The firm serves defense, aerospace, industrial and transport sectors. The company was founded in 1989 and is headquartered in Follo, Italy.

Sof SpA provides facility management and energy efficiency services. It serves the plant management, real estate, energy, and thermal sectors. The company was founded in 2004 and is headquartered in Florence, Italy.

Isotta Fraschini Motori SpA designs and manufactures diesel engines. The company was founded in 1900 and is headquartered in Bari, Italy.

Ansaldo Energia SpA is engaged in the power generation industry. It provides heavy duty gas turbines offering complete maintenance solutions on power generation rotating equipment and plants. The firm’s services include OEM platform, field service, repairs, and integrated plant support. The company was founded in 1853 and is headquartered in Genoa, Italy.

FSI Investimenti SpA is a fund created as a result of a partnership between Fondo Strategico Italiano SpA and Kuwait Investment Authority. It will invest in companies located in Italy that operate in sectors such as defense and security, infrastructures, transport, communications, energy, public services and hi-tech research and innovations.