Eni is the holding company of the Eni Group. Through its subsidiaries, Co. is engaged in the exploration, development and production activities in energy and related services, chemicals and other diversified activities principally in Italy, North Africa, West Africa, the North Sea, China, the former Soviet Union and the United States. Co. is an integrated energy company operating in the oil and gas, petrochemicals and oilfield services and engineering industries. Co.'s operations are divided into five active segments; exploration and production, gas and power, refining and marketing, petrochemicals and oilfield services and construction.