For the Anglo-Saxon monarch, see Eni of East Anglia.
Eni S.p.A. is an Italian multinational oil and gas company, with a presence in 70 countries, currently Italy's largest industrial company, with a market capitalization of € 98 billion euros (US $131 billion) as of February 2007. It was recently privatized, the first 14.7 percent being sold to the public for $4.1 billion in 1995.

Operations

(en) Marcello Boldrini, Mattei, Rome, Colombo, 1969
(it) Marcello Colitti, Energia e sviluppo in Italia, Bari, De Donato, 1979
(en) Paul H. Frankel, Oil and Power Policy, New York - Washington, Praeger, 1966
(it) Nico Perrone, Enrico Mattei, Bologna, Il mulino, 2001 ISBN 8-81507-913-0