Market cap: €3.82 billion
Founded: operating initially as a division of Eni, Saipem became definitively autonomous in 1969. In October 2015 Eni sold a 12.5% stake of Saipem to Fondo Strategico Italiano, an arm of state-controlled Italian lender Cassa Depositi & Prestiti. Eni originally owned a 43% stake of Saipem.
Annual revenue: €12.873 billion
CEO: Stefano Cao