Eni S.p.A. engages in the exploration, development, and production of crude oil and natural gas.
Tenaris S.A., through its subsidiaries, produces and sells seamless and welded steel tubular products; and provides related services for the oil and gas industry, and other industrial applications.
Saipem SpA engages in the engineering, drilling, and construction of projects in the energy and infrastructure sectors worldwide.
Saras S.p.A. engages in the oil refinery business in Italy and internationally.
Rosetti Marino SpA provides integrated services to the oil and gas, renewables, chemical, power generation, shipbuilding, and superyacht industrial sectors in Italy and internationally.
d'Amico International Shipping S.A., through its subsidiary, d'Amico Tankers d.a.c.
Gas Plus S.p.A. engages in the exploration and production of natural gas in Italy and internationally.