Eni is an integrated energy company. Active in more than 70 countries, with a staff of 76000 employees, in the oil and gas, electricity generation and sale, petrochemicals, oilfield services construction and engineering industries
LUKOIL corporate website. LUKOIL is an international vertically integrated oil company. LUKOIL’s main operations include exploration, production and processing of oil and gas, marketing of oil and petroleum products.
Chevron Corporation, parent of Chevron, Texaco and Caltex, engages in oil and gas exploration; refining and marketing of oil, lubricants, fuels, petrochemicals; power generation.
Japan Petroleum Explorration Co., Ltd. (JAPEX) performs searching for oil fields / development of oil / natural gas in home and abroad as a leading company of Japanese oil development.