Ansaldo Energia SpA is a joint-stock company operating in the energy sector, among the world's largest producers of power plants. The company's main shareholder is currently Cassa Depositi e Prestiti.
In random order A2A, Acea, Edison, Enel, Eni, ERG, GSE, Hera, Iren, Italgas, Prysmian, Quercus Investment Partners Limited, Renovit, Snam, Sogin, Tenaris, Terna, Cap Holding, AGSM AIM, Gruppo Dolomiti Energia, Octopus Energy, NEXTCHEM, Rina