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ENEOS Holdings, Inc.
ENEOS refines and sells petroleum products, petrochemicals, lubricants, oil, natural gas, and renewable energy to customers around the world.
ENEOS is Japan's biggest oil company. It buys crude oil, turns it into gasoline, diesel, jet fuel, and other petroleum products at its refineries, and sells them through thousands of service stations across Japan — many of them under the ENEOS brand — plus to businesses that need fuel in bulk.
That fuel-and-service-station business is the heart of the company, but it is not the whole story. ENEOS also runs a large petrochemicals operation, making the basic chemical building blocks that go into plastics and other materials, and it sells lubricants and other specialty products. It has oil and natural gas exploration and production operations overseas too, so it owns some of the oil it refines rather than buying all of it on the open market. More recently it has been pushing into renewable energy and next-generation fuels, including hydrogen and sustainable aviation fuel, as Japan tries to cut its reliance on fossil fuels. The company has an unusual history. It was formed in 2010 by merging two rival Japanese oil groups, Nippon Oil and Nippon Mining Holdings, and it was originally called JX Holdings. It picked up the ENEOS name — which had long been the brand on its service stations — and renamed the whole company ENEOS Holdings in 2020. The merged company also owns a majority stake in JX Advanced Metals, a metals and semiconductor materials business that it has been partially spinning off. ENEOS is listed on the Tokyo Stock Exchange and is one of Japan's largest companies by revenue. Oil refining is a famously tough business. Margins swing with crude oil prices, global demand, and the strength of the yen, and Japan's shrinking, aging population means the country uses less fuel every year. ENEOS has responded by closing some refining capacity, consolidating service stations, and pouring money into chemicals, metals, and clean energy. It also pays a steady dividend and buys back its own shares, returning cash to shareholders while it manages the slow decline of its core fuel business.
The big question hanging over ENEOS is the energy transition. Its service stations and refineries are built around gasoline and diesel, and the company is trying to reinvent them for a world that may use less of both. It is investing in hydrogen stations, electric-vehicle charging, and renewable power, but those businesses are still small next to the oil business that pays the bills today.
Saved answer · last researched 12 Nov 2026